Create Number
Provision a new phone number from the account’s configured SMS provider (or an iMessage line with type=imessage). Optional externalId tags the number with your own identifier; see PATCH /v1/numbers/{id}.
Authentication
Bearer authentication of the form Bearer <token>, where token is your auth token.
Headers
Request
Response
Outbound SMS readiness for this exact number: activating means campaign attachment is in progress; enabled means confirmed; registration_required means registration or attachment is still needed. Check the number and registration in the same account/sub-account scope. See /sms-registration.
Where this number’s inbound calls go. Set it with PATCH /v1/numbers/{number_id}/voice-routing.
True when this number can be routed to a SIP trunk via PATCH /v1/numbers/{number_id}/voice-routing.

