PayAPI Market

Market Intelligence API

Real-time crypto and US stock market intelligence for AI agents, including momentum, buying and selling pressure, trading activity, anomalies and market signals.

1 of 13 routes settlement-verified · $0.005–$0.05 USDC/request · 13 endpoints / 13 tools · Data · base network · x402 protocol

Verified routes

Other routes are unverified.

Networks: Base (settlement-verified), Solana (accepted)

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.

By Stanislav Valov