audio/mpeg is a audio media type commonly associated with .mpga, .mp2, .mp2a, .mp3, .m2a, .m3a extensions.
Quick facts
What is audio/mpeg
audio/mpeg is one of the audio media types used on the internet. When serving this content over HTTP, set the Content-Type header in the response, for example:
Content-Type: audio/mpeg
Related entities: associated extensions include .mpga、.mp2、.mp2a、.mp3, and is delivered over HTTP via the Content-Type header, commonly with GET, POST, PUT and PATCH requests.
Related formats:
Relation chain
Related extensions
Related MIME types
Used with
Related headers
Related methods
Frequently asked questions
audio/mpeg is a audio media type used to identify a content format; servers announce it to clients with the Content-Type header.
Extensions such as .mpga, .mp2, .mp2a, .mp3 are associated with this MIME type.
Send Content-Type: audio/mpeg in the HTTP response.
Sources & standards
Updated 2026-08-18
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