{"service":"SpendPreflight","what":"Pay-per-call risk checks for AI agents that spend money. Pay with x402 (USDC). No account, no API key.","endpoints":{"GET /v1/check?domain=&address=&name=":"$0.01 per call","POST /v1/preflight":"$0.02 per call","GET /v1/sample":"free example response","GET /v1/rules/default":"free default rule set","GET /health":"free","GET /openapi.json, /llms.txt, /.well-known/x402, /.well-known/agent-card.json, /.well-known/mcp.json":"free discovery","POST /mcp":"remote MCP server (check_payee, preflight_payment, get_service_info)"},"free_trial":"append ?trial=1 to any paid call: 3 free calls per day","network":"eip155:8453","read_only":true,"disclaimer":"Informational screening only. Not legal advice, not a compliance certification, and not a guarantee. Sanctions data is from the public OFAC SDN list as of data_as_of. Verify matches before acting."}