Fitze Multi-Source Data Tools
13 pay-per-call data endpoints for agents: web page fetch and text extraction, domain/IP intelligence (WHOIS, DNS, SSL), GitHub repo metadata, ERC-20 token intel on Base, deep repo due-diligence, web research brief, USGS earthquake feed, Open-Meteo weather, live fiat FX rates, SEC EDGAR full-text search, FDA recall reports, stock quote, plus a free URL liveness check. No API key, no account. x402 v2, USDC on Base, settles straight to the provider wallet. The submitted route (USGS earthquakes) answers with real data even with no parameters, so an agent can probe and pay without guessing a schema.
x402 verified · Verified on /tools/domain_intel · $0.005 · $0.002–$0.03 USDC/request · 13 endpoints / 13 tools · Data · 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/mcp
How 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.