Contact Verify (verify-x402) phone lookup: carrier line type (mobile, landline, VoIP, toll-free) and E.164 format. Detect VoIP/burner numbers in sign-up fraud checks; confirm SMS-capable mobiles. $0.02.
Api EndpointGeneral UtilitiesHealthy · 245 ms0.02 USDC0.02 USDC · eip155:8453 · USDC
https://verify-x402.okwithit9.workers.dev/verify/phone