Live verification APIs for AI agents. No accounts, no API keys — pay per call in USDC on Base mainnet via the x402 protocol.
Agent-readable catalog: /llms.txt (endpoint URLs, prices, what each API verifies, example request/response pairs).
| API | Price/call | Verifies |
|---|---|---|
agent-sanctions-screen | $0.02 | OFAC SDN + EU FSF + UK FCDO sanctions screening |
agent-entity-verify | $0.03 | US business entity existence/standing (SoS + GLEIF) |
agent-domain-trust | $0.01 | Domain trust score (RDAP + DNS + HTTPS) |
agent-sec-lookup | $0.005 | SEC EDGAR company data + recent filings |
agent-debarment-check | $0.01 | SAM.gov federal exclusions (name/UEI/CAGE) |
agent-drug-verify | $0.015 | FDA NDC drug product verification |
agent-carrier-verify | $0.10 | FMCSA motor carrier verification (DOT/MC, safety rating, crashes) |
agent-recall-screen | $0.02 | FDA drug/device/food recall history |
agent-robotics-compliance | $0.10 | Robot maker compliance: OSHA incidents + FDA device recalls |
How to call: POST the endpoint with a JSON body. Unpaid calls return 402 + PAYMENT-REQUIRED; pay with x402 v2 (Base mainnet USDC, facilitator https://api.cdp.coinbase.com/platform/v2/x402) and retry. Machine-readable discovery on each host: /.well-known/x402 and /openapi.json.