Register a phone number as a sandbox number and associate it with a fixed attempt code. Subsequent verification attempts against this number will not trigger a real SMS/call and will validate against the configured attempt code.
This operation is idempotent - re-adding the same phone number will overwrite the existing attempt code.
In order to get access to this endpoint, contact our support team.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.