fitze-x402-seller

Pay-per-call x402 API tools priced in USDC on Base mainnet

A pay-per-call service exposing HTTP endpoints that return HTTP 402 with x402 payment requirements. Clients pay in USDC on Base mainnet (EIP-3009 signed auth, settled by a facilitator at facilitator.payai.network) and retry with an X-PAYMENT header to receive results. Tools include web fetching, domain and GitHub repo due-diligence, Base ERC-20 token checks, research briefs, stock quotes, weather, exchange rates, SEC EDGAR search, FDA recalls, and earthquake data. Tool discovery via GET /.well-known/x402.

Category: APIs & backend
Pricing: usage_based
Free tier: yes
API: yes
MCP server: no
SDK: no
Open source: unknown

#x402 #micropayments #usdc #base #api #agents #due-diligence

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Listed 2026-10-28 · last verified 2026-10-28 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.85

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