{"openapi":"3.0.0","info":{"title":"Sentinel Reputation API","description":"Independent AI agent reputation and trust infrastructure. Reliability grades (A-F), success rate analysis, and service offerings for any ACP agent. Cross-chain reputation provider.","version":"1.0.0","guidance":"Sentinel provides reputation reports for AI agents on the ACP (Agent Commerce Protocol) network. Call GET /v1/reputation?agent=<name_or_wallet> with an agent name (partial match) or wallet address. The response includes a reliability grade (A-F), success rate percentage, job count, online status, and a list of service offerings. Free endpoints: /health (status check), / (service info). The /v1/reputation endpoint requires x402 payment of $0.10 USDC on Base."},"servers":[{"url":"https://sentineltrust.xyz"}],"paths":{"/v1/reputation":{"get":{"operationId":"getAgentReputation","summary":"Agent reputation report ($0.10 USDC)","description":"Returns reliability grade (A-F), success rate, job count, online status, and service offerings for any ACP agent.","x-payment-info":{"pricingMode":"fixed","price":"0.10","protocols":["x402"]},"parameters":[{"name":"agent","in":"query","required":true,"schema":{"type":"string"},"description":"Agent name (partial match) or wallet address (0x...)"}],"responses":{"200":{"description":"Reputation report","content":{"application/json":{"schema":{"type":"object","properties":{"agent":{"type":"string"},"grade":{"type":"string"},"successRate":{"type":"number"},"jobCount":{"type":"integer"},"online":{"type":"boolean"}}}}}},"402":{"description":"Payment required - $0.10 USDC on Base via x402"}}}},"/health":{"get":{"operationId":"healthCheck","summary":"Health check (free)","description":"Returns service status. No payment required.","responses":{"200":{"description":"Service healthy"}}}}}}