Phone number lookup / validation: returns 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.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.02 USDC | 0xE11d...ddA5 |