NAIF EU Web Intelligence
x402-paid web verification and monitoring tools for AI agents: HTTP/TLS quick checks, DNS resolution, TLS certificate inspection, readable text extraction, full website audits, task routing, and batch checks. USDC on Base, no API key.
x402 verified · Verified on /api/quick-check · $0.001 · $0.001–$0.25 USDC/request · 7 endpoints / 7 tools · Tools · base network · x402 protocol
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.