Do I have to specify the file type in my audio file?


  • Do I have to include .mp3 or .wav in my audio file URL?
  • Do I have to specify the audio file extension?
  • Can I use a different file extension for my media file URL? (e.g. .php)



When streaming a media file using Voice API, it is recommended to specify whether the audio file is .mp3 or .wav in the URL. e.g.

Stream URLs without the media file extension, or will invalid media file types, may fail and may not be played. e.g.

When a file extension is not included in the URL, the file type is determined by the Content-Type header received. For hosts that force a download, this is often a different Content-Type to the audio file.

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