Agent Data Tools
176 pay-per-call tools for AI agents at one origin, most at $0.003: counterparty and OFAC sanctions checks for wallets, token prices and wallet portfolios, chain reads on Base, Ethereum, Arbitrum, Optimism and Polygon (balances, token transfers, logs, gas, receipts), web page and PDF to Markdown, company and domain checks, FX, weather and time, and OpenAI-compatible chat and embeddings. x402 v1/v2 on 5 networks and MPP; failed calls are never charged.
1 of 176 routes settlement-verified · $0.002–$0.2 USDC/request · 176 endpoints / 176 tools · Data · base network · x402 protocol
Verified routes
GET /check/counterparty· $0.03 · 2026-10-21 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpAbout this API
Agent Data Tools is listed in the Data category with pricing at $0.002–$0.2 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-21. View receipt on Basescan.
Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.
This API exposes 176 endpoints. Only the verified route has been tested by PayAPI Market. Other routes are unverified.
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.
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