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x402-key.558686.xyz tools api-url-readiness-check
https://x402-key.558686.xyz/v1/tools/api-url-readiness-check
payable
Verify the OpenAI-compatible base URL, model list contract, request shape, secret boundary, and next key-pack route before buying a URL + API key quota pack.
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
- 489 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:10:52.899Z (2d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-key.558686.xyz%2Fv1%2Ftools%2Fapi-url-readiness-check"