Twilio Lookup
Phone number search
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Last verified: 1 October 2026
Twilio Lookup v2 provides real-time phone number intelligence: formatting, free validation, line type, carrier, SIM swap detection. Add-on data packages are paid.
Services
- E.164 and national formatting
- Free basic validation
- Line type and carrier
- SIM swap detection
- SMS pumping risk score
- Caller name (CNAM)
Access requirements
HTTP Basic authentication with a Twilio API key SID and secret.
Sources
- Twilio Lookup (new tab), verified on 1 October 2026Official site consulted