xyz.558686.gpt55/token-gateway

gpt55_x402_ping

Low-cost x402 payment proof endpoint with no upstream model call. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

No parameters.

gpt55_chat_completion

OpenAI-compatible GPT-5.5 chat completion paid per request with x402 USDC on Base. Pay up to $0.004 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_balance_topup

Top up a GPT55 prepaid balance account with x402 exact USDC before using balance-metered GPT-5.5 chat. Pay up to $0.005 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_balance_metered_chat_completion

OpenAI-compatible GPT-5.5 chat that debits a persistent prepaid balance ledger after actual upstream usage is known using the read-only sub2api formula. Pay up to usage-metered balance debit per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_long_chat_completion

OpenAI-compatible GPT-5.5 long-output chat completion up to 4096 output tokens, paid per request with x402 USDC on Base. Pay up to $0.002134 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_max_chat_completion

OpenAI-compatible GPT-5.5 true max-output chat completion up to 128000 output tokens, paid per request with x402 USDC on Base. Pay up to $0.066667 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_buyer_payment_execution_runbook

Premium GPT-5.5 x402 buyer execution agent that turns a paid route, budget cap, runtime, payTo/network expectation, and receipt policy into runnable Node, Python, Bash, MCP, and Flowise payment execution assets. The service never asks for private keys and never pays the target endpoint. Pay up to $4.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_wallet_incident_response_pack

Premium x402 incident response agent for autonomous wallets and paid MCP buyers. It returns a freeze policy, revoke checklist, evidence bundle, payment pause rules, receipt review, and safe next-action plan without requiring private keys. Pay up to $3.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_procurement_vendor_risk_dossier

Premium procurement agent for x402 and paid MCP services. It turns vendor URL, route, payTo, network, price cap, receipts, and buyer use case into a scorecard, approval memo, security checklist, budget note, and pay/no-pay policy. Pay up to $5.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_production_launch_audit

Premium paid MCP launch agent that returns a production readiness gate, MCP client config checks, entitlement policy, receipt gate, OpenAPI/x402 discovery consistency checks, and launch blocker list. Pay up to $4.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_wallet_receipt_accounting_pack

Premium receipt accounting agent for x402 wallets. It returns ledger schema, normalized accounting rows, receipt matching policy, reconciliation checklist, spend classification, and audit evidence rules. Pay up to $3.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_spend_simulator

Premium x402 spend simulation agent that returns route-level spend scenarios, budget exhaustion points, failure-loop risk, deny/allow policy, and MCP/Flowise guard config for autonomous buyers. Pay up to $4.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_seller_price_ladder_optimizer

Premium seller pricing agent that returns route price ladder, canary-to-premium path, A/B test plan, upgrade copy, quote-to-settle thresholds, and rollback rules based on funnel evidence. Pay up to $4.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_directory_trust_evidence_pack

Premium directory trust agent that returns x402 discovery evidence, OpenAPI/pricing/payTo consistency proof, recrawl packet, trust repair checklist, and channel update ledger entries. Pay up to $3.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_payment_authorization_ato_pack

Premium authorization agent for autonomous x402 buyers. It returns an authorization decision matrix, control mapping, operator approval artifact, spend boundary, evidence checklist, and revocation plan for accountless paid API usage. Pay up to $6.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_entitlement_receipt_gateway

Premium MCP entitlement agent that returns a receipt state machine, verifier middleware, MCP tool policy, cache rules, denial responses, and replay protection for paid tool access. Pay up to $7.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_autonomous_procurement_policy_engine

Premium procurement policy agent that returns executable JSON policy, vendor approval workflow, spend exception rules, purchase order memo, receipt requirements, and renewal triggers for x402 buyers. Pay up to $8.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_bazaar_listing_revenue_repair

Premium listing repair agent for x402 Bazaar and directories. It returns metadata patches, settlement proof packet, recrawl plan, listing copy, buyer command repairs, and score recovery evidence. Pay up to $6.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_wallet_drain_prevention_firewall

Premium wallet firewall agent that returns pre-payment policy, spender denylist rules, runtime guard config, approval limits, suspicious quote detection, and fail-closed behavior for buyer clients. Pay up to $7.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_ai_crawler_license_enforcement_pack

Premium crawler monetization enforcement agent that returns crawler license policy, edge enforcement snippet, receipt-bound access log, robots/llms hints, premium path tiers, and audit rules. Pay up to $6.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_payment_slo_monitoring_pack

Premium x402 operations agent that returns SLO definitions, synthetic probe plan, alert rules, log fields, revenue guardrails, and incident runbook for payment health. Pay up to $5.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agentic_api_red_team_brief

Premium defensive security agent for x402 APIs. It returns abuse-case matrix, defensive test plan, mitigation backlog, safe replay tests, wallet misuse checks, and release gate evidence. Pay up to $9.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_treasury_rebalancing_policy

Premium treasury agent for x402 buyers. It returns executable treasury policy JSON, runway rebalancing plan, reserve rules, refill thresholds, drain limits, and finance handoff records for autonomous paid API wallets. Pay up to $12.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_paid_api_contract_test_suite

Premium release engineering agent for paid x402 APIs. It returns contract test matrix, Playwright probe plan, CI gate config, fixture bodies, receipt assertions, and rollback criteria before public launch. Pay up to $11.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_tool_revenue_share_ledger

Premium MCP finance agent that returns split ledger schema, settlement allocation rules, partner payout rows, dispute holds, tax memo fields, and reconciliation checks for paid MCP revenue share. Pay up to $10.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_wallet_key_rotation_drill

Premium wallet operations agent that returns rotation runbook, blast radius map, rollback checklist, client env migration plan, receipt continuity plan, and post-rotation verification probes. Pay up to $8.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_enterprise_buyer_onboarding_dossier

Premium enterprise onboarding agent that returns security questionnaire answers, procurement packet, pilot launch plan, approval matrix, data handling notes, and stakeholder-ready launch memo. Pay up to $12.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_model_arbitrage_router_policy

Premium model routing agent that returns route decision policy, cost-quality thresholds, fallback escalation rules, spend caps, evaluation evidence schema, and rollback triggers for paid AI model calls. Pay up to $9.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_settlement_dispute_evidence_lockbox

Premium settlement evidence agent that returns lockbox manifest, tamper-evident receipt chain, dispute export bundle, retention policy, redaction rules, and support handoff notes. Pay up to $8.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_market_data_procurement_firewall

Premium market data procurement agent that returns spend policy, source allowlist, latency-value decision matrix, stale data denial rules, budget routing config, and evidence requirements. Pay up to $13.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_buyer_payment_client_implementation_sprint

Premium buyer activation agent that returns implementation plan, same-request retry client, receipt capture checklist, wallet boundary policy, and rollout tasks for x402 payment clients. Pay up to $14.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_flowise_payment_node_blueprint

Premium Flowise integration agent that returns payment node spec, credential boundary policy, test harness plan, node I/O contract, and receipt persistence schema. Pay up to $16.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_enterprise_rollout_pack

Premium MCP rollout agent that returns deployment architecture, client config bundle, approval runbook, entitlement policy, security review matrix, and pilot cutover steps. Pay up to $18.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_payment_tax_invoice_reconciliation_kit

Premium finance operations agent that returns invoice ledger schema, tax evidence packet, reconciliation workflow, exception queues, and audit export mapping for x402 settlements. Pay up to $17.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_soc2_payment_control_evidence_pack

Premium audit evidence agent that returns control evidence matrix, audit sampling plan, exception register, evidence collection script, and owner review cadence. Pay up to $19.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_private_gateway_deployment_plan

Premium deployment agent that returns private gateway architecture, secret boundary map, cutover checklist, observability plan, rollback criteria, and public discovery migration tasks. Pay up to $24.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_procurement_rfp_response_pack

Premium sales-procurement agent that returns RFP response draft, security attachment, pricing attachment, compliance mapping, and buyer pilot success criteria. Pay up to $21.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_conversion_forensics_war_room

Premium conversion forensics agent that returns dropoff diagnosis, experiment backlog, buyer activation patch, metric guardrails, and release decision log. Pay up to $15.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_credit_line_underwriting_pack

Premium finance risk agent that returns credit policy matrix, wallet funding thresholds, approval evidence packet, spend ramp schedule, repayment/settlement controls, and denial rules for agent wallets. Pay up to $29.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_payment_retry_slo_autopilot

Premium reliability agent that returns retry state machine, SLO budget policy, failure escalation rules, idempotency guard, synthetic probe plan, and rollback gates for x402 clients and sellers. Pay up to $26.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_tenant_entitlement_isolation_pack

Premium paid MCP isolation agent that returns tenant isolation policy, entitlement namespace map, cross-tenant leak tests, receipt binding rules, cache partition config, and denial response contract. Pay up to $31.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_data_room_receipt_redaction_pack

Premium evidence operations agent that returns redaction policy, shareable evidence bundle, secret boundary checklist, verifier manifest, data-room index, and retention/legal hold rules. Pay up to $27.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_usage_quota_billing_reconciliation_agent

Premium billing operations agent that returns quota ledger schema, overage decision rules, billing reconciliation rows, invoice exception queues, cost center mapping, and usage cap enforcement policy. Pay up to $28.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_refund_dispute_resolution_playbook

Premium support operations agent that returns refund eligibility matrix, dispute timeline, support response templates, evidence request checklist, resolution decision tree, and settlement reconciliation notes. Pay up to $25.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_model_procurement_benchmark_pack

Premium model procurement agent that returns model vendor scorecard, procurement benchmark matrix, route award policy, evaluation evidence schema, renewal triggers, and fallback supplier rules. Pay up to $32.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_runbook_compliance_attestation_pack

Premium compliance agent that returns attestation checklist, control owner signoff packet, runbook evidence map, test evidence register, exception policy, and renewal cadence for x402 agent operations. Pay up to $34.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_data_leak_containment_plan

Premium incident-response agent that returns PII leak triage, redaction patch set, evidence lockbox, customer notice draft, regulator-ready timeline, and wallet/payment pause policy for x402 agent APIs. Pay up to $39.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_approval_workflow_compiler

Premium governance agent that returns approval policy JSON, human review queue schema, MCP approval middleware, Flowise approval node, escalation SLA, and audit log contract for x402 spending. Pay up to $37.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_model_sla_breach_claims_pack

Premium procurement agent that returns SLA evidence matrix, claim packet, service credit calculator, supplier remediation plan, benchmark rerun policy, and renewal decision memo. Pay up to $42.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_asset_inventory_risk_register

Premium MCP operations agent that returns tool inventory schema, risk register rows, decommission plan, owner matrix, receipt-scope catalog, and quarterly review cadence. Pay up to $35.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_cross_chain_payment_failover_playbook

Premium reliability agent that returns chain failover matrix, liquidity runway plan, facilitator fallback config, retry stop rules, treasury refill procedure, and incident communication template. Pay up to $44.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_enterprise_security_questionnaire_autofill

Premium sales-security agent that returns questionnaire answers, evidence attachment index, exception disclosure table, control mapping, buyer follow-up packet, and redaction-safe response bundle. Pay up to $49.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_customer_support_refund_triage_agent

Premium support agent that returns refund triage decision, support case timeline, evidence request email, buyer response draft, seller evidence checklist, and escalation decision tree. Pay up to $36.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_seller_revenue_leakage_forensics_pack

Premium seller forensics agent that returns leakage root cause map, route patch queue, settlement recovery forecast, pricing correction memo, channel recrawl checklist, and next-purchase repair map. Pay up to $45.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_summarize

Summarize text, pasted articles, notes, markdown, transcripts, and URL-extracted content into TLDR, bullets, key facts, paragraph summaries, or executive summaries. Low-cost GPT-5.5 summary endpoint for agents that need cheap document digestion and research briefs. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_translate

Translate short text, messages, notes, and snippets to a requested target language for agent workflows, localization, bilingual support replies, and quick multilingual output. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_translate_get

Translate short text, messages, notes, and snippets to a requested target language for agent workflows, localization, bilingual support replies, and quick multilingual output. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_rewrite

Rewrite short text for clarity, tone, grammar, style, professional messages, and concise agent output. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_answer

Answer a short question, optionally using provided context, for lightweight QA, context question answering, support answers, research lookup, and agent reasoning steps. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_code_review

Review a short code snippet or diff for bugs, edge cases, security issues, maintainability, and missing tests. Designed for agents and developers that need a quick second pass before merging. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_extract_json

Extract structured JSON from short text according to a caller-provided schema or field list. Useful for agents that need cheap parsing, lead cleanup, invoice notes, support tickets, and lightweight ETL steps. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_metadata

Fetch a public HTTP(S) URL and return status, final URL, title, meta description, canonical URL, Open Graph fields, and a short text sample. This deterministic endpoint does not call an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_metadata_get

Fetch a public HTTP(S) URL and return status, final URL, title, meta description, canonical URL, Open Graph fields, and a short text sample. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_text

Fetch a public HTTP(S) URL and return cleaned readable text, title, final URL, status, and redirect details. This deterministic endpoint does not call an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_text_get

Fetch a public HTTP(S) URL and return cleaned readable text, title, final URL, status, and redirect details. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_links

Fetch a public HTTP(S) URL and return normalized links, anchor text, status, title, and redirect details. This deterministic endpoint does not call an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_links_get

Fetch a public HTTP(S) URL and return normalized links, anchor text, status, title, and redirect details. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_site_audit

Fetch a public API origin and audit x402 discovery, OpenAPI, pricing, llms.txt, robots, sitemap, MCP metadata, health, endpoint counts, payment schemes, and buyer-readiness signals. This deterministic endpoint does not call an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_site_audit_get

Fetch a public API origin and audit x402 discovery, OpenAPI, pricing, llms.txt, robots, sitemap, MCP metadata, health, endpoint counts, payment schemes, and buyer-readiness signals. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_quote_inspector

Fetch a public x402 endpoint without paying it, parse its 402 Payment Required quote, and return schemes, amounts, network, asset, payTo, resource metadata, and buyer-readiness warnings. This deterministic endpoint does not call an upstream model. Pay up to $0.0005 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_quote_inspector_get

Fetch a public x402 endpoint without paying it, parse its 402 Payment Required quote, and return schemes, amounts, network, asset, payTo, resource metadata, and buyer-readiness warnings. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0005 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_batch_quote_inspector

Inspect up to 10 public x402 endpoints in one paid request, without paying the target endpoints. Returns per-endpoint quote status, schemes, amounts, network, asset, payTo, resource metadata, and aggregate buyer-readiness warnings. This deterministic endpoint does not call an upstream model. Pay up to $0.002 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_batch_quote_inspector_get

Inspect up to 10 public x402 endpoints in one paid request, without paying the target endpoints. Returns per-endpoint quote status, schemes, amounts, network, asset, payTo, resource metadata, and aggregate buyer-readiness warnings. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.002 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_discovery_price_compare

Fetch up to 10 x402 discovery documents or service origins, extract paid resources, normalize USDC atomic amounts, and rank resources by price, scheme, network, tags, and service metadata. This deterministic endpoint does not call an upstream model. Pay up to $0.003 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_discovery_price_compare_get

Fetch up to 10 x402 discovery documents or service origins, extract paid resources, normalize USDC atomic amounts, and rank resources by price, scheme, network, tags, and service metadata. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.003 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_buyer_shortlist

Fetch x402 discovery documents, rank matching resources by advertised price, live-check the cheapest candidates with 402 quote inspection, and return a buyer-ready shortlist with verified amount, scheme, network, payTo, tags, and warnings. This deterministic endpoint does not call an upstream model. Pay up to $0.005 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_buyer_shortlist_get

Fetch x402 discovery documents, rank matching resources by advertised price, live-check the cheapest candidates with 402 quote inspection, and return a buyer-ready shortlist with verified amount, scheme, network, payTo, tags, and warnings. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.005 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_prepay_trust_check

Fetch a target x402 endpoint without paying it, inspect the live HTTP 402 quote, and return pay/skip/manual-review guidance for agents based on liveness, latency, amount, payTo, network, asset, scheme, and buyer spend caps. This deterministic endpoint never sends a payment header to the target endpoint and does not call an upstream model. Pay up to $0.004 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_prepay_trust_check_get

Fetch a target x402 endpoint without paying it, inspect the live HTTP 402 quote, and return pay/skip/manual-review guidance for agents based on liveness, latency, amount, payTo, network, asset, scheme, and buyer spend caps. This deterministic endpoint never sends a payment header to the target endpoint and does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.004 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_buyer_prepay_risk_score

Fetch a target x402 endpoint without paying it, inspect the live 402 quote, optionally audit the service origin, compare expected payTo/network/asset/scheme/price, and return a buyer-facing go/no-go policy pack with runtimePolicyJson, mcpGuardConfig, flowiseGuardConfig, auditLogSchema, and pay/manual-review/skip guidance. This deterministic endpoint never sends a payment header to the target endpoint and does not call an upstream model. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_buyer_prepay_risk_score_get

Fetch a target x402 endpoint without paying it, inspect the live 402 quote, optionally audit the service origin, compare expected payTo/network/asset/scheme/price, and return a buyer-facing go/no-go policy pack with runtimePolicyJson, mcpGuardConfig, flowiseGuardConfig, auditLogSchema, and pay/manual-review/skip guidance. This deterministic endpoint never sends a payment header to the target endpoint and does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_sub2api_official_metered_invoice

Produce a buyer-ready postpaid GPT-5.5 invoice using the read-only sub2api pricing formula: input, output, cache creation, cache read, image output, service tier, long-context pricing, and rate multiplier. Returns machine-readable invoice JSON for usage-metered x402 clients without modifying sub2api. Pay up to $0.066667 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_sub2api_balance_ledger_simulator

Calculate the same GPT-5.5 official usage cost as sub2api, then apply it to a prepaid balance ledger. Returns debit, balance-after, low-balance policy, idempotency key, and exportable JSON for wallet or API-credit systems. Pay up to $0.10 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_gpt55_plus_half_price_subscription

Return a Plus-like subscription quote for GPT-5.5 buyers: monthly price is half the official Plus monthly price, while the weekly allowance tracks the caller-supplied or current public official allowance snapshot. Includes refresh metadata so operators can update dynamic official limits without changing payment routes. Pay up to $10.00 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_payment_failure_doctor

Diagnose why an x402 payment did not convert from quote to settled response: missing X-PAYMENT header, payTo/network/amount mismatch, wallet spend-cap block, verify failure, settle failure, or post-payment response delivery issue. This deterministic endpoint can inspect a live quote without paying the target endpoint and never sends a payment header to the target service. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_payment_failure_doctor_get

Diagnose why an x402 payment did not convert from quote to settled response: missing X-PAYMENT header, payTo/network/amount mismatch, wallet spend-cap block, verify failure, settle failure, or post-payment response delivery issue. This deterministic endpoint can inspect a live quote without paying the target endpoint and never sends a payment header to the target service. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_wallet_funding_readiness_doctor

Diagnose the buyer-side gap between seeing an x402 quote and creating a valid X-PAYMENT header: wallet address shape, Base USDC availability, max spend cap, amount/payTo/network/asset match, official x402 client readiness, typed-data signing capability, and same-request retry support. This deterministic endpoint can inspect a live quote without paying the target endpoint, never asks for private keys, and never sends a payment header to the target service. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_wallet_funding_readiness_doctor_get

Diagnose the buyer-side gap between seeing an x402 quote and creating a valid X-PAYMENT header: wallet address shape, Base USDC availability, max spend cap, amount/payTo/network/asset match, official x402 client readiness, typed-data signing capability, and same-request retry support. This deterministic endpoint can inspect a live quote without paying the target endpoint, never asks for private keys, and never sends a payment header to the target service. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_client_compatibility_adapter

Convert a live HTTP 402 quote into a buyer-owned compatibility adapter for official x402 clients, first-payment clients, MCP runtimes, and wallet agents. Returns requirement selector policy, same-request retry template, header compatibility map, receipt requirements, and stop conditions without paying the target endpoint. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_client_compatibility_adapter_get

Convert a live HTTP 402 quote into a buyer-owned compatibility adapter for official x402 clients, first-payment clients, MCP runtimes, and wallet agents. Returns requirement selector policy, same-request retry template, header compatibility map, receipt requirements, and stop conditions without paying the target endpoint. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_receipt_dispute_pack

Turn a paid x402 receipt, transaction hash, route, amount, payTo, network, and response evidence into a buyer-owned audit and dispute pack. Returns evidence completeness, receipt hash checks, missing evidence, replay-safe audit record, refund/dispute notes, and next-payment policy. This deterministic endpoint does not call an upstream model and never asks for private keys. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_receipt_dispute_pack_get

Turn a paid x402 receipt, transaction hash, route, amount, payTo, network, and response evidence into a buyer-owned audit and dispute pack. Returns evidence completeness, receipt hash checks, missing evidence, replay-safe audit record, refund/dispute notes, and next-payment policy. This deterministic endpoint does not call an upstream model and never asks for private keys. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_receipt_bound_execution_gate

Evaluate a paid x402 receipt, route, payTo, network, amount, actionRef, toolCallId, and paid result summary, then return allow/manual_review/deny guidance, receipt binding checks, reuse policy, MCP gate config, Flowise gate config, audit record, and a copy-paste guard snippet. Built for buyers who need post-payment entitlement and paid-result reuse decisions without sending private keys or making another payment on their behalf. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_directory_compliance_repair_pack

Turn a failing or inconsistent x402 directory listing into a machine-readable repair pack: metadata drift checks, x402 discovery fixes, OpenAPI/pricing/server.json alignment, Pages/GitHub listing copy, retest checklist, and buyer-facing trust copy. Built for sellers with quote traffic but weak settlement conversion. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_directory_compliance_repair_pack_get

Turn a failing or inconsistent x402 directory listing into a machine-readable repair pack: metadata drift checks, x402 discovery fixes, OpenAPI/pricing/server.json alignment, Pages/GitHub listing copy, retest checklist, and buyer-facing trust copy. Built for sellers with quote traffic but weak settlement conversion. GET variant for agents that prefer query parameters. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_payment_policy_compiler

Turn agent spending rules into a buyer-owned payment policy: spend caps, service allowlist, payTo and network checks, MCP guard config, Flowise guard config, x402 prepay checklist, denial examples, and audit log schema. This deterministic endpoint does not call an upstream model. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_payment_approval_pack

Turn an x402 paid route, budget cap, buyer role, payTo/network expectations, receipt rules, and runtime context into a buyer-owned approval package: approvalPack, budgetApproval, securityReview, receiptEvidencePolicy, MCP gate config, Flowise gate config, procurement summary, risk acceptance memo, repeat approval contract, and copy-paste checklist. Built for teams that need approval before an agent or MCP client can spend real USDC. This deterministic endpoint does not call an upstream model and never asks for private keys. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_spend_recurrence_guard

Evaluate the next x402 quote or paid-tool call against buyer-owned spend caps, route allowlists, payTo/network expectations, recent spend history, consecutive failures, and receipt evidence. Returns an allow/manual_review/deny decision, spend ledger entry, MCP and Flowise guard config, runtime snippet, and repeat-payment audit schema. This deterministic endpoint does not call an upstream model. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_paid_mcp_authorization_bridge

Turn a paid MCP tool route, buyer authorization scope, x402 quote expectations, spend caps, and receipt requirements into a copy-paste authorization bridge: MCP scope contract, x402 quote gate, same-request retry plan, receipt-bound execution gate, client policy JSON, audit schema, and fail-closed runtime snippet. Built for agents that need explicit authorization before spending real USDC on paid MCP tools. This deterministic endpoint does not call an upstream model and never asks for private keys. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_verify_settle_recovery_pack

Turn a verified-but-not-settled x402 payment attempt into an executable recovery pack: verify-to-settle diagnosis, facilitator failover plan, same-request replay policy, settlement evidence checklist, receipt fallback policy, buyer stop conditions, seller patch actions, copy-paste recovery JSON, curl replay template, and first-payment-client recovery command. Built for the real quote/payment/header/verify/settle gap where buyers are closest to paying but fail before receipt evidence. This deterministic endpoint does not call an upstream model and never asks for private keys. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_buyer_client_adapter_pack

Turn a target paid x402 route, buyer runtime, spend cap, expected payTo/network, request method, and receipt policy into a copy-paste buyer client adapter pack: official-style Node fetch client, Python/httpx outline, MCP tool wrapper, same-request retry checklist, environment contract, receipt capture policy, and failure-stop conditions. Built for the real quote-only drop-off where buyers can see a 402 quote but never produce X-PAYMENT. This deterministic endpoint does not call an upstream model, never asks for private keys, and never sends a payment itself. Pay up to $0.012 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_revenue_recovery_agent

High-value GPT-5.5 x402 revenue recovery agent for paid API and MCP sellers. It turns route-level quote, payment-header, verify, settle, timeout, payTo/network, and buyer-intent signals into an executable revenue recovery pack: diagnosis, funnel triage, route priority plan, pricing move, metadata patch checklist, buyer payment client fix, settlement recovery plan, copy-paste buyer commands, and launch checklist. This first version is deterministic, never asks for private keys, and never sends a payment. Pay up to $4.90 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_payment_due_diligence_pack

Turn a live x402 paid route, buyer budget, expected payTo/network/asset, runtime, and receipt policy into an agent-payment due diligence pack: dueDiligenceDecision, goNoGoPolicyPack, clientCompatibilityAdapter, receiptEvidencePolicy, repeatPurchasePolicy, firstPaymentRunbook, MCP/Flowise guard configs, and stop conditions. Built for teams that see x402 quotes but need one machine-readable approval artifact before allowing real agent spend. This deterministic endpoint never asks for private keys and never sends a payment header to the target service. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_payment_due_diligence_pack_get

Turn a live x402 paid route, buyer budget, expected payTo/network/asset, runtime, and receipt policy into an agent-payment due diligence pack: dueDiligenceDecision, goNoGoPolicyPack, clientCompatibilityAdapter, receiptEvidencePolicy, repeatPurchasePolicy, firstPaymentRunbook, MCP/Flowise guard configs, and stop conditions. Built for teams that see x402 quotes but need one machine-readable approval artifact before allowing real agent spend. This deterministic endpoint never asks for private keys and never sends a payment header to the target service. GET variant for agents that prefer query parameters. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_bazaar_search

Query the CDP x402 Bazaar discovery API, normalize paid resources, surface resource URL, service name, tags, scheme, network, payTo, and minimum USDC price. This deterministic endpoint does not call an upstream model. Pay up to $0.004 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_bazaar_search_get

Query the CDP x402 Bazaar discovery API, normalize paid resources, surface resource URL, service name, tags, scheme, network, payTo, and minimum USDC price. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.004 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_market_benchmark

Fetch public x402 directories and CDP x402 Bazaar search results, normalize advertised USDC prices, compare AI-like listings, surface active competitors, and return buyer/seller opportunity notes. This deterministic endpoint does not call an upstream model. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_market_benchmark_get

Fetch public x402 directories and CDP x402 Bazaar search results, normalize advertised USDC prices, compare AI-like listings, surface active competitors, and return buyer/seller opportunity notes. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_listing_seo_audit

Fetch a public x402/API service, audit machine-readable discovery, compare directory visibility, inspect live pricing signals, and return ranking gaps plus concrete listing SEO fixes for x402 marketplaces. This deterministic endpoint does not call an upstream model. Pay up to $0.008 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_listing_seo_audit_get

Fetch a public x402/API service, audit machine-readable discovery, compare directory visibility, inspect live pricing signals, and return ranking gaps plus concrete listing SEO fixes for x402 marketplaces. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.008 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_opportunity_finder

Scan public x402 directories, group listings by buyer-intent category, compare price distributions, and return underserved product opportunities, candidate keywords, pricing bands, and directory positioning notes. This deterministic endpoint does not call an upstream model. Pay up to $0.009 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_opportunity_finder_get

Scan public x402 directories, group listings by buyer-intent category, compare price distributions, and return underserved product opportunities, candidate keywords, pricing bands, and directory positioning notes. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.009 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_directory_rank_tracker

Scan public x402 directories for a service URL, host, payTo, or query and return sampled first-seen positions, matched sources, price signals, competitor context, and concrete visibility fixes. This deterministic endpoint does not call an upstream model. Pay up to $0.01 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_directory_rank_tracker_get

Scan public x402 directories for a service URL, host, payTo, or query and return sampled first-seen positions, matched sources, price signals, competitor context, and concrete visibility fixes. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.01 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_http_status

Fetch a public HTTP(S) URL and return status, final URL, headers summary, and redirect chain. This deterministic endpoint does not call an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_http_status_get

Fetch a public HTTP(S) URL and return status, final URL, headers summary, and redirect chain. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_json_validate

Validate JSON text or normalize a JSON value, returning parse status, type, size, and optional formatted output. This deterministic endpoint does not call an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_json_validate_get

Validate JSON text or normalize a JSON value, returning parse status, type, size, and optional formatted output. This deterministic endpoint does not call an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_text_stats

Analyze text length, words, lines, sentences, paragraphs, bytes, and estimated reading time without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_text_stats_get

Analyze text length, words, lines, sentences, paragraphs, bytes, and estimated reading time without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_hash_text

Hash short text with sha256, sha512, sha1, or md5 and return hex/base64/base64url digests without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_hash_text_get

Hash short text with sha256, sha512, sha1, or md5 and return hex/base64/base64url digests without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_base64_codec

Encode UTF-8 text to Base64/Base64URL or decode Base64/Base64URL text without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_base64_codec_get

Encode UTF-8 text to Base64/Base64URL or decode Base64/Base64URL text without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_parse

Parse an absolute URL into protocol, host, path, query parameters, hash, and origin without fetching the URL or calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_url_parse_get

Parse an absolute URL into protocol, host, path, query parameters, hash, and origin without fetching the URL or calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_timestamp

Convert Unix seconds, Unix milliseconds, or date strings into ISO, Unix seconds, Unix milliseconds, and UTC fields without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_timestamp_get

Convert Unix seconds, Unix milliseconds, or date strings into ISO, Unix seconds, Unix milliseconds, and UTC fields without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_jwt_decode

Decode a JWT header and payload without verifying the signature and without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_jwt_decode_get

Decode a JWT header and payload without verifying the signature and without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_slugify

Convert text into a lower-case URL slug with a configurable separator without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_slugify_get

Convert text into a lower-case URL slug with a configurable separator without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_case_convert

Convert text to upper, lower, title, sentence, camel, snake, or kebab case without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_case_convert_get

Convert text to upper, lower, title, sentence, camel, snake, or kebab case without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_regex_match

Run a JavaScript regular expression against short text and return bounded matches without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_regex_match_get

Run a JavaScript regular expression against short text and return bounded matches without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_html_strip

Remove HTML tags, scripts, styles, and common entities from short HTML snippets without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_html_strip_get

Remove HTML tags, scripts, styles, and common entities from short HTML snippets without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_query_parse

Parse a query string or URL into repeated query parameters and first-value maps without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_query_parse_get

Parse a query string or URL into repeated query parameters and first-value maps without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_unique_lines

Deduplicate newline-separated text while preserving order and report duplicate counts without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_unique_lines_get

Deduplicate newline-separated text while preserving order and report duplicate counts without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_sort_lines

Sort newline-separated text alphabetically or numerically without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_sort_lines_get

Sort newline-separated text alphabetically or numerically without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_diff_lines

Compare two newline-separated text blocks and return added, removed, and unchanged line sets without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_diff_lines_get

Compare two newline-separated text blocks and return added, removed, and unchanged line sets without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_json_minify

Parse and minify JSON text or a JSON value without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_json_minify_get

Parse and minify JSON text or a JSON value without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_uri_codec

Encode or decode URI components or full URI strings without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_uri_codec_get

Encode or decode URI components or full URI strings without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_html_entity_codec

Escape text for HTML/XML or decode common HTML entities without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_html_entity_codec_get

Escape text for HTML/XML or decode common HTML entities without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_email_normalize

Trim, split, and normalize a simple email address shape without sending mail, DNS checks, or upstream model calls. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_email_normalize_get

Trim, split, and normalize a simple email address shape without sending mail, DNS checks, or upstream model calls. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_evm_transaction_risk_decoder

Decode common EVM calldata before signing, including ERC20 approve/transfer/transferFrom, ERC721/ERC1155 setApprovalForAll, safeTransferFrom, increase/decreaseAllowance, permit, and multicall hints. Returns risk flags, decoded addresses, amount words, and a human confirmation checklist without using a private key, sending a transaction, or calling an external API. Pay up to $0.01 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_evm_transaction_risk_decoder_get

Decode common EVM calldata before signing, including ERC20 approve/transfer/transferFrom, ERC721/ERC1155 setApprovalForAll, safeTransferFrom, increase/decreaseAllowance, permit, and multicall hints. Returns risk flags, decoded addresses, amount words, and a human confirmation checklist without using a private key, sending a transaction, or calling an external API. GET variant for agents that prefer query parameters. Pay up to $0.01 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_eip712_signature_risk_decoder

Inspect eth_signTypedData / EIP-712 payloads before signing, including ERC20 Permit, Permit2, transferWithAuthorization, NFT operator approvals, spender fields, deadlines, nonces, chainId, verifyingContract, and unlimited allowance values. Returns risk flags and a wallet confirmation checklist without using a private key, producing a signature, sending a transaction, or calling an external API. Pay up to $0.01 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_eip712_signature_risk_decoder_get

Inspect eth_signTypedData / EIP-712 payloads before signing, including ERC20 Permit, Permit2, transferWithAuthorization, NFT operator approvals, spender fields, deadlines, nonces, chainId, verifyingContract, and unlimited allowance values. Returns risk flags and a wallet confirmation checklist without using a private key, producing a signature, sending a transaction, or calling an external API. GET variant for agents that prefer query parameters. Pay up to $0.01 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_wallet_signing_safety_pack

Build a single wallet/agent pre-signing decision pack from optional EIP-712 typed data, EVM calldata, expected chain, known addresses, and x402 spend policy. Returns risk levels, risk flags, buyer decision, copy-paste checklist, and first-payment routing hints without using a private key, producing a signature, sending a transaction, broadcasting, or calling external RPC. Pay up to $0.018 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_wallet_signing_safety_pack_get

Build a single wallet/agent pre-signing decision pack from optional EIP-712 typed data, EVM calldata, expected chain, known addresses, and x402 spend policy. Returns risk levels, risk flags, buyer decision, copy-paste checklist, and first-payment routing hints without using a private key, producing a signature, sending a transaction, broadcasting, or calling external RPC. GET variant for agents that prefer query parameters. Pay up to $0.018 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_domain_extract

Extract hostname, labels, subdomain, and a naive last-two-label registrable domain from a URL or hostname without DNS or upstream model calls. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_domain_extract_get

Extract hostname, labels, subdomain, and a naive last-two-label registrable domain from a URL or hostname without DNS or upstream model calls. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_color_convert

Parse #RGB or #RRGGBB colors and return RGB/HSL values without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_color_convert_get

Parse #RGB or #RRGGBB colors and return RGB/HSL values without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_uuid

Generate one or more UUID v4 values locally without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_uuid_get

Generate one or more UUID v4 values locally without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_json_keys

Parse JSON and return bounded key paths for objects and arrays without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_json_keys_get

Parse JSON and return bounded key paths for objects and arrays without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.0001 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_integration_kit

Generate a deterministic buyer integration package for an x402/MCP service: MCP remote server config, Claude Desktop-style config hints, curl discovery checks, x402 quote test commands, endpoint selection, spending caps, and verification checklist without calling an upstream model. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_mcp_integration_kit_get

Generate a deterministic buyer integration package for an x402/MCP service: MCP remote server config, Claude Desktop-style config hints, curl discovery checks, x402 quote test commands, endpoint selection, spending caps, and verification checklist without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_core_integration_kit

Generate a deterministic buyer integration package for AgentCore-style agent workflows that discover paid tools through CDP Bazaar or MCP and pay x402 on Base USDC. Includes gateway route hints, Bazaar search terms, MCP remote server config, quote checks, spend caps, and verification checklist without calling an upstream model. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_agent_core_integration_kit_get

Generate a deterministic buyer integration package for AgentCore-style agent workflows that discover paid tools through CDP Bazaar or MCP and pay x402 on Base USDC. Includes gateway route hints, Bazaar search terms, MCP remote server config, quote checks, spend caps, and verification checklist without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.006 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_seller_intelligence_bundle

Generate a deterministic merchant-readiness and seller-intelligence pack for an x402 or paid MCP service: market benchmark, paid MCP listing audit, listing SEO audit, product opportunities, directory rank snapshot, buyer shortlist, and MCP integration kit. This endpoint bundles the highest-converting x402 seller tools without calling an upstream model. Pay up to $0.029 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_seller_intelligence_bundle_get

Generate a deterministic merchant-readiness and seller-intelligence pack for an x402 or paid MCP service: market benchmark, paid MCP listing audit, listing SEO audit, product opportunities, directory rank snapshot, buyer shortlist, and MCP integration kit. This endpoint bundles the highest-converting x402 seller tools without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.029 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_seller_action_plan

Generate a deterministic merchant-readiness action plan for an x402 or paid MCP service: directory visibility fixes, paid MCP listing audit actions, pricing actions, buyer onboarding tasks, search keywords, and retest checkpoints. This endpoint distills the seller-intelligence workflow into a concise execution plan without calling an upstream model. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_seller_action_plan_get

Generate a deterministic merchant-readiness action plan for an x402 or paid MCP service: directory visibility fixes, paid MCP listing audit actions, pricing actions, buyer onboarding tasks, search keywords, and retest checkpoints. This endpoint distills the seller-intelligence workflow into a concise execution plan without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_base_builder_funding_readiness

Generate a deterministic Base/x402 funding-readiness report for shipped paid API projects: external settlement evidence, buyer-conversion gaps, directory visibility, reviewer proof links, ecosystem contribution signals, funding targets, and the next highest-value actions. This endpoint is built for Base builders, x402 API sellers, grant reviewers, and agent-commerce projects without calling an upstream model. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_base_builder_funding_readiness_get

Generate a deterministic Base/x402 funding-readiness report for shipped paid API projects: external settlement evidence, buyer-conversion gaps, directory visibility, reviewer proof links, ecosystem contribution signals, funding targets, and the next highest-value actions. This endpoint is built for Base builders, x402 API sellers, grant reviewers, and agent-commerce projects without calling an upstream model. GET variant for agents that prefer query parameters. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_crawler_monetization_kit

Generate a deterministic x402 monetization kit for content sites, documentation sites, API publishers, and MCP services that want AI crawlers or buyer agents to pay before accessing premium routes. Includes protected route tiers, discovery assets, robots/llms copy, Cloudflare-style edge notes, MCP/agent payment flow, spend caps, launch checklist, and conversion metrics without using private keys or making payments. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

gpt55_x402_crawler_monetization_kit_get

Generate a deterministic x402 monetization kit for content sites, documentation sites, API publishers, and MCP services that want AI crawlers or buyer agents to pay before accessing premium routes. Includes protected route tiers, discovery assets, robots/llms copy, Cloudflare-style edge notes, MCP/agent payment flow, spend caps, launch checklist, and conversion metrics without using private keys or making payments. GET variant for agents that prefer query parameters. Pay up to $0.019 per request with x402 USDC on Base. Exact fixed-price payment and upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.