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api.x-402.online sms number
https://api.x-402.online/v1/sms/number
payable
Rent a REAL mobile phone number to receive an SMS/OTP. The number is a physical SIM in a phone we run — the hardest class of number to block (not VoIP). Returns a number + a poll URL. Then read the code with /v1/sms/inbox. The only OTP-reception service payable in USDC on x402…
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 198 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:12:25.388Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x-402.online%2Fv1%2Fsms%2Fnumber"