x4PayAPI Market

x402 recommend

Tells an agent which live, actually-paid x402 API to call for a task, with 30-day paid-usage evidence and a live 402 check.

1 route settlement-verified · $0.002 USDC/request · 1 endpoint · Intelligence · base network · x402 protocol

Verified routes

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/mcp

About this API

x402 recommend is listed in the Intelligence category with pricing at $0.002 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-24. 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 1 endpoint.

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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