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POST
Look up carrier information for any phone number. Returns the line type (wireless, landline, VoIP), carrier name, and location. Useful for determining if a number can receive SMS before sending.

Request Body

string
required
Phone number to look up in E.164 format (e.g., +16045551234).

Response

string
The phone number in E.164 format.
object
Carrier information for the number.
  • linetypewireless, landline, voip, or null if unknown
  • name — Carrier name (e.g., “Rogers Communications Canada Inc.”)
boolean
Whether the number is a valid phone number.
string
Geographic location (state/province) of the number, if available.

Common Use Case

Check if a number is wireless before sending SMS: