{"openapi":"3.1.0","info":{"title":"Synthr Cyber x402 API","version":"0.1.0","description":"Agent-native cybersecurity intelligence with x402-paid endpoints, grounded in OSV.dev, EPSS, and CISA KEV."},"servers":[{"url":"https://synthr.online","description":"Ubuntu 24.04 VPS deployment"},{"url":"http://localhost:3000","description":"Local development"}],"paths":{"/health":{"get":{"summary":"Health check","responses":{"200":{"description":"Service health payload"}}}},"/llms.txt":{"get":{"summary":"Agent usage instructions","responses":{"200":{"description":"Plain-text LLM integration guide"}}}},"/x402-catalog.json":{"get":{"summary":"x402 discovery catalog","responses":{"200":{"description":"Machine-readable discovery metadata"}}}},"/openapi.json":{"get":{"summary":"OpenAPI specification","responses":{"200":{"description":"OpenAPI document for discovery and integration"}}}},"/v1/cyber/stack-brief":{"post":{"summary":"Get a prioritized stack risk brief","description":"Paid endpoint. Returns enriched risk findings for a dependency stack.","responses":{"200":{"description":"Structured stack brief"},"402":{"description":"Payment required"},"429":{"description":"Rate limited"}}}},"/v1/cyber/audit-deps":{"post":{"summary":"Audit dependencies","description":"Paid endpoint. Returns vulnerability and malicious-package findings.","responses":{"200":{"description":"Structured dependency audit"},"402":{"description":"Payment required"},"429":{"description":"Rate limited"}}}},"/v1/cyber/advice":{"post":{"summary":"Get security advice","description":"Paid endpoint. Returns grounded security guidance for a query.","responses":{"200":{"description":"Structured advice response"},"402":{"description":"Payment required"},"429":{"description":"Rate limited"}}}},"/v1/cyber/vulns":{"post":{"summary":"Search vulnerabilities","description":"Paid endpoint. Searches OSV records enriched with EPSS and KEV.","responses":{"200":{"description":"Structured vulnerability search results"},"402":{"description":"Payment required"},"429":{"description":"Rate limited"}}}},"/v1/cyber/breaking":{"get":{"summary":"Get recent actively exploited vulnerabilities","description":"Paid endpoint. Returns recent KEV additions enriched with EPSS and agent relevance notes.","responses":{"200":{"description":"Structured breaking vulnerability feed"},"402":{"description":"Payment required"},"429":{"description":"Rate limited"}}}},"/v1/x402/endpoint-check":{"post":{"summary":"Check x402 endpoint trust","description":"Paid endpoint. Checks discovery metadata, basic reachability, and unpaid payment challenge behavior before an agent spends on an x402 endpoint.","responses":{"200":{"description":"Structured x402 endpoint trust check"},"402":{"description":"Payment required"},"429":{"description":"Rate limited"}}}}}}