Payment firewall for x402: scans for replay, overpayment, PII/secret leaks, prompt-injection.
🛠️ Key Features
- Scans for replay attacks
- Detects overpayment patterns
- PII and secret leakage protection
- Prompt-injection mitigation
- Lightweight integration with existing x402 flows
🚀 Use Cases
- Protect payment endpoints from replay and tampering
- Prevent leakage of sensitive data in transaction payloads
- Guard against overpayment anomalies in payment pipelines
- Mitigate prompt-injection risks in payment-related prompts
⚡ Developer Benefits
- Clear, rule-based security checks integrated into the x402 workflow
- Improves compliance with data protection and security best practices
- Quick integration with minimal boilerplate
- Observability hooks for auditing and tracing
⚠️ Limitations
- Description limited by provided data; no detailed configuration exposed
- Specific implementation details and rules are not included here
- Requires integration with the x402 ecosystem to function in context