Question
How to determine if the attachment is a properly supported content type when sending MMS messages through the Messages API but returns 1382 failures despite verifying that file sizes don't exceed carrier limits?
Applies To
- MMS
- Messages API
- File Type
Answer
Run the shell command below to ensure the content-type is one of the MIME-TYPE listed.
curl -I https://samples-files.com/samples/Audio/mp3/sample-file-4.mp3
HTTP/2 200
date: Mon, 11 Dec 2023 13:01:56 GMT
content-type: audio/mpeg
- "audio/amr"
- "audio/midi"
- "audio/wav"
- "audio/ac3"
- "audio/mp3"
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