Check DNC status

Check if phone numbers are on the DNC list.

Authentication

AuthorizationBearer

Pass a JWT access token or an API key (prefixed with tif_live_) as a Bearer token.

Request

This endpoint expects an object.
phoneNumberslist of stringsRequired

Phone numbers to check in E.164 format (1-100 numbers per request)

Response

DNC check results
resultsobject

Map of phone number to blocked status (true = on DNC list)

Errors

400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
429
Too Many Requests Error
500
Internal Server Error