Its definitely real! They officially support Images, but will accept (and pass along) lots of other formats: https://www.twilio.com/docs/api/rest/accepted-mime-

Its definitely real! They officially support Images, but will accept (and pass along) lots of other formats: https://www.twilio.com/docs/api/rest/accepted-mime-types https://www.twilio.com/docs/api/rest/accepted-mime-types