VirtualSMS

https://virtualsms.io/api/v1/x402/sms-verify

● healthy verification-communication-privacy

Pay-per-call SMS verification and OTP receiving for AI agents - real carrier numbers across 145+ countries and 2500+ services, from $0.05 per code in USDC via x402, no account or API key. For signup testing, account verification, and privacy. Also number rentals, matching-country proxies, and a hosted MCP server.

Quality grade

How grading works

C+ 58.7 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 402)

Payability 18.7 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✗ Price declared

Demand 0.0 / 40

Payment address on record, not yet queried on-chain

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 9 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

2 resource(s) advertised by this origin.

https://virtualsms.io/api/v1/x402/sms-verify

Pay-per-call SMS verification. Send a payment matching one of the accepted assets for the requested service + country and receive the OTP/verification code in the same response. No account or API key needed, settlement happens inline per call. There is no fixed per-call rate: the amount quoted in th

https://virtualsms.io/api/v1/x402/topup

Deposit-first top-up. Pay once to receive a reusable balance and an API key, then buy SMS verifications, rentals and proxies at ordinary retail prices through the standard customer API instead of paying per call.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -sS -i -X GET https://virtualsms.io/api/v1/x402/sms-verify  # expect HTTP 402 Payment Required (about 0.05 USDC/call)

/.well-known/x402.json

https://virtualsms.io/.well-known/x402

Listed in

Directories this entry was found in.

submission x402