A2P 10DLC Campaign Vetting Delays: Twilio cannot approve 10DLC Campaigns ourselves, and must rely on third parties who control our connections to carriers to sign off. These external processes are creating several week delays for our customers. We continue to escalate these issues and are working to reduce delays wherever possible. Further details will be shared in the Campaign Vetting Changes article as they become available.

Supported files types for sending/receiving MMS messages

Twilio offers full support (including resizing/transcoding when needed) for several media types when sending MMS messages, and also accepts many additional media types. For details, please see Twilio's Accepted Content Types for Media.

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