SMS
Retrieve SMS contact information and capabilities
Fetches or creates SMS contact information for a given phone number. This endpoint validates the phone number, determines SMS capabilities, and returns detailed formatting information needed for message delivery. Use this before sending messages to ensure proper SMS channel availability.
GET
Authorizations
Query Parameters
Target phone number in E.164 format (e.g., +1234567890)
When true, creates a new SMS contact if one doesn't exist
Optional Sent platform identifier for existing contacts
Response
200
application/json
Successfully retrieved SMS contact information
Detailed SMS contact information including validation and formatting details