Maxwell Public Records API
Pay-per-call JSON from official public records: SEC EDGAR companies, filings and financials, OFAC sanctions screening, company registers, legislation and open-data portals of 13 countries and the EU, UK Companies House, USPTO patents, NVD CVEs, openFDA, FRED and ECB macro series, domain RDAP lookups. From $0.005, no account.
x402 verified · Verified on /v1/doctor/blocked · $0.005 · $0.005–$0.01 USDC/request · 86 endpoints · Finance · base network · x402 protocol
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpHow to call this API
Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.