CheckThatPhone
**Real-time phone validation powered by live mobile network data** CheckThatPhone queries Mobile Switching Centers (MSC) in real time — not static databases or area code lookups. Get accurate, up-to-the-second carrier and line type data for any U.S. or Canadian phone number. **What you get in a single API call:** - Carrier name and type (AT&T, T-Mobile, Verizon, etc.) - Line type detection —…
667 subscribers
9.8/10 popularity
212 ms avg latency
100% success rate
4 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
CheckThatPhone endpoints
| Method | Endpoint | Description |
|---|---|---|
| GET |
Check That Phone V1 /checkthatphone |
Validation, carrier look-up, line type, portability status, geoIP and timezone, routing. Simply provide a United States phone number and an ip (optional) to get a result. |
| GET |
Check That Phone V3 /api |
Validation, carrier look-up, line type, portability status, geoIP and timezone, routing. Simply provide a United States phone number and an ip (optional) to get a result. |
| GET |
Check That Phone V2 /api |
Validation, carrier look-up, line type, portability status, geoIP and timezone, routing. Simply provide a United States phone number and an ip (optional) to get a result. |
| GET |
Check That Phone V4 /api |
Validation, carrier look-up, line type, portability status, geoIP and timezone, routing. Simply provide a United States phone number and an ip (optional) to get a result. |
CheckThatPhone pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | $5 / month | — |
|
| ULTRA Recommended | $30 / month | — |
|
| MEGA | $100 / month | — |
|
