Frontline REST API Overview API Base URL All URLs in the reference documentation use the following base URL: https://frontline-api.twilio.com/v1 Authentication This API uses HTTP Basic Authentication for authentication. Pass your Account SID as the username and Auth Token as the password (find them in the console). Resources User Resource Rate this page: Need some help? We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd by visiting Twilio's Stack Overflow Collective or browsing the Twilio tag on Stack Overflow.