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gpt55.558686.xyz tools x402-site-audit
https://gpt55.558686.xyz/v1/tools/x402-site-audit
answers 402
Fetch a public API origin and audit x402 discovery, OpenAPI, pricing, llms.txt, robots, sitemap, MCP metadata, health, endpoint counts, payment schemes, and buyer-readiness signals. This deterministic endpoint does not call an upstream model. GET variant for agents, crawlers, and wallets that prefer query parameters over a JSON body. Pay up to $0.001 per request with x402 USDC on Base.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0x1f0130669ca6fd02e025a984cc038f139df19a2f
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 432 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:11:22.808Z (21d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fgpt55.558686.xyz%2Fv1%2Ftools%2Fx402-site-audit"