the402 endpoint detail

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x402.orthogonal.com validate-phone single

https://x402.orthogonal.com/fiber/v1/validate-phone/single

answers 402

Validates a phone number and returns whether it's valid, reachable, carrier info, and caller name.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.06
Network
base
Pay to
0x6bab1d63b3B51A88c7F87402DB2803b05f0AE9E9
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
152 ms
Payment options
3 usable of 3
Last checked
2026-08-15T14:40:28.264Z (4d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.orthogonal.com%2Ffiber%2Fv1%2Fvalidate-phone%2Fsingle"