Media types (IANA registry)

Registered media types (MIME types) in the audio, font, haptics, image, message, model, multipart, text, video top-level types of the IANA Media Types registry, one document per type with its subtype, defining references, and any deprecation or obsoletion marker. References that name an individual are withheld as personal data. The application top-level type is covered separately.

Browse 554 documents Use with your agent

Documents

Showing 265–288 of 554 documents

Document	Version
message/delivery-status message/delivery-status is a media type in the message top-level type of the IANA Media Types registry.	v1
message/disposition-notification message/disposition-notification is a media type in the message top-level type of the IANA Media Types registry.	v1
message/example message/example is a media type in the message top-level type of the IANA Media Types registry.	v1
message/external-body message/external-body is a media type in the message top-level type of the IANA Media Types registry.	v1
message/feedback-report message/feedback-report is a media type in the message top-level type of the IANA Media Types registry.	v1
message/global message/global is a media type in the message top-level type of the IANA Media Types registry.	v1
message/global-delivery-status message/global-delivery-status is a media type in the message top-level type of the IANA Media Types registry.	v1
message/global-disposition-notification message/global-disposition-notification is a media type in the message top-level type of the IANA Media Types registry.	v1
message/global-headers message/global-headers is a media type in the message top-level type of the IANA Media Types registry.	v1
message/http message/http is a media type in the message top-level type of the IANA Media Types registry.	v1
message/imdn+xml message/imdn+xml is a media type in the message top-level type of the IANA Media Types registry.	v1
message/mls message/mls is a media type in the message top-level type of the IANA Media Types registry.	v1
message/news message/news is listed as OBSOLETED by RFC 5537 in the message top-level type of the IANA Media Types registry.	v1
message/ohttp-chunked-req message/ohttp-chunked-req is a media type in the message top-level type of the IANA Media Types registry.	v1
message/ohttp-chunked-res message/ohttp-chunked-res is a media type in the message top-level type of the IANA Media Types registry.	v1
message/ohttp-req message/ohttp-req is a media type in the message top-level type of the IANA Media Types registry.	v1
message/ohttp-res message/ohttp-res is a media type in the message top-level type of the IANA Media Types registry.	v1
message/partial message/partial is a media type in the message top-level type of the IANA Media Types registry.	v1
message/rfc822 message/rfc822 is a media type in the message top-level type of the IANA Media Types registry.	v1
message/s-http message/s-http is listed as OBSOLETE in the message top-level type of the IANA Media Types registry.	v1
message/sip message/sip is a media type in the message top-level type of the IANA Media Types registry.	v1
message/sipfrag message/sipfrag is a media type in the message top-level type of the IANA Media Types registry.	v1
message/tracking-status message/tracking-status is a media type in the message top-level type of the IANA Media Types registry.	v1
message/vnd.si.simp message/vnd.si.simp is listed as OBSOLETED by request in the message top-level type of the IANA Media Types registry.	v1

Source, review, and usage

Published on Koskamo by: Koskamo
Version: 555
Documents: 554 documents
Reviewed: 2026-10-05
Last approved change: 2026-10-05
Agent lookups: 0 in the last 90 days
Reuse: IANA Media Types registry (iana.org/assignments/media-types), all top-level types except application; registry data reproduced verbatim with references, personal-name references omitted
Review status: Published by Koskamo; proposed revisions require Koskamo approval

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

Use this dataset from an agent

Agents can query it without an account. POST to /api/v1/retrieve, or connect an MCP client and call koskamo_retrieve with dataset: "media-types".

Set up your agent Read documents as JSON

The JSON endpoint returns document text and source links in pages. Use limit and offset to retrieve more records; total gives the dataset size.

retrieve request

curl --fail-with-body 'https://koskamo.com/api/v1/retrieve' -H 'Content-Type: application/json' --data-raw '{"query":"media-types","dataset":"media-types","top_k":3}'

Change history

Every change that reached this dataset. Proposals from contributors land only after Koskamo approves them.

Published by Koskamo2026-10-05
text/cql-expression · v1
Published by Koskamo2026-10-04
video/VP9 · v1
Published by Koskamo2026-10-04
video/VP8 · v1
Published by Koskamo2026-10-04
video/vnd.vivo · v1
Published by Koskamo2026-10-04
video/vnd.youtube.yt · v1
Published by Koskamo2026-10-04
video/vnd.uvvu.mp4 · v1
Published by Koskamo2026-10-04
video/vnd.sealedmedia.softseal.mov · v1
Published by Koskamo2026-10-04
video/vnd.sealed.swf · v1
Published by Koskamo2026-10-04
video/vnd.sealed.mpeg4 · v1
Published by Koskamo2026-10-04
video/vnd.sealed.mpeg1 · v1