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Accepted Content Types for Media

To send a media message, you must specify the MediaUrl parameter when making a request to the Twilio Programmable SMS API. Twilio checks the content-type header at the provided MediaUrl to validate the content type of the media file. If the content-type header does not match that of the media file, Twilio rejects the request.

Media Size Limits

When you send an outbound message, the total message size must be under the maximum size limit for the channel. An API request with media or a collection of media larger than the size limit will fail with an error.

For a media message, the maximum size limit is 5MB.

Supported MIME Types

The following types of content are fully supported by Twilio for Media. This content will be formatted for delivery on destination devices.

  • image/jpeg
  • image/gif
  • image/png

Accepted MIME Types

The following types of content are accepted by the Twilio API for Media. Requests will not be rejected, but content will not be modified for device compatibility.

Audio

  • audio/basic
  • audio/L24
  • audio/mp4
  • audio/mpeg
  • audio/ogg
  • audio/vorbis
  • audio/vnd.rn-realaudio
  • audio/vnd.wave
  • audio/3gpp
  • audio/3gpp2
  • audio/ac3
  • audio/vnd.wave
  • audio/webm
  • audio/amr-nb
  • audio/amr

Video

  • video/mpeg
  • video/mp4
  • video/quicktime
  • video/webm
  • video/3gpp
  • video/3gpp2
  • video/3gpp-tt
  • video/H261
  • video/H263
  • video/H263-1998
  • video/H263-2000
  • video/H264

Image

  • image/jpeg
  • image/gif
  • image/png
  • image/bmp

Text

  • text/vcard
  • text/csv
  • text/rtf
  • text/richtext
  • text/calendar
  • text/directory

Application

  • application/pdf
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