AgentResolver Settlement Canary
Minimal $0.001 x402 settlement canary for autonomous agents. GET requires no body and returns a timestamped pong only after verified USDC settlement on Base.
1 route settlement-verified · $0.001 USDC/request · 1 endpoints / 1 tools · Tools · base network · x402 protocol
Verified routes
GET /api/x402-ping· $0.001 · 2026-09-17 · receipt
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/mcpHow 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.