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 |
agent-healthcare-exclusions | $0.12 | HHS OIG LEIE exclusion screening (person/entity) |
agent-msb-verify | $0.10 | FinCEN MSB registration verification (business name) |
uk-owner-screen | $0.10 | UK beneficial ownership (PSC) by company number |
nonprofit-verify | $0.05 | US nonprofit tax-exempt status by EIN (IRS BMF + revocation) |
facility-verify | $0.05 | US healthcare facility Medicare certification by CCN (CMS POS, 116K facilities) |
agent-enviro-screen | $0.15 | EPA enforcement/compliance history by facility name (ECHO, 3.2M facilities) |
vin-verify | $0.05 | VIN decode + structural validation (NHTSA vPIC) |
agent-safety-oracle | $0.05 | x402 endpoint trust verdict (GO/CAUTION/STOP) via live probes |
agent-seller-preflight | $0.03 | x402 pre-payment honesty score (price/Bazaar/wallet checks) |
physician-payment-screen | $0.08 | Physician pharma payments by NPI (CMS Open Payments) |
wage-verify | $0.08 | Salary bands + offer verdict by occupation/metro (BLS OEWS) |
device-clearance-verify | $0.05 | FDA 510(k) device clearance check (openFDA) |
agent-contractor-profile | $0.15 | Federal contractor lifetime profile by UEI (USAspending) |
colorado-entity-verify | $0.08 | Colorado business entity status (data.colorado.gov) |
canada-entity-verify | $0.08 | Canadian federal corporation status (Corporations Canada) |
sponsor-screen | $0.08 | Employer H-1B filing history (DOL OFLC LCA) |
college-verify | $0.03 | US college tuition/selectivity/grad rates (NCES IPEDS) |
nyc-license-verify | $0.05 | NYC DCWP business license status (NYC Open Data) |
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.