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api.greyridgesignals.ai
https://api.greyridgesignals.ai/x402/cert?url=https://example.com
answers 402
Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $1 on base.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $1.00
- Network
- base
- Pay to
- 0x5765ae06a52dc7A0BB71c36A11db512c7ea9ed10
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 45 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-11-03T22:51:28.896Z (1h ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.greyridgesignals.ai%2Fx402%2Fcert%3Furl%3Dhttps%3A%2F%2Fexample.com"