---
title: "Changes to List Sources"
method: HEAD
path: "/sources"
---

# Changes to List Sources

`HEAD /sources`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 6 of 24 revisions.

- **2026-08-12** `c07c82900308`: 1 info
- **2026-08-10** `73a77c2ab589`: 2 info
- **2025-10-15** `8639ecff0b6c`: 1 breaking
- **2025-10-06** `0eeba8c316ce`: 1 breaking
- **2025-06-11** `e3d4dd57646b`: 1 info
- **2025-04-24** `b01aaf8cffe2`: 1 breaking, 2 info

## Changes

- **2026-08-12** `c07c82900308`: 1 info
  - added the new optional `query` request parameter `collected_by_ids`
- **2026-08-10** `73a77c2ab589`: 2 info
  - added the new optional `query` request parameter `reverse_order`
  - added the new optional `query` request parameter `sort_by`
- **2025-10-15** `8639ecff0b6c`: 1 breaking
  - added the pattern `^([^,]+(,[^,]+)*)?$` to the `query` request parameter `tag.{name}`
- **2025-10-06** `0eeba8c316ce`: 1 breaking
  - for the `query` request parameter `format`, the format changed from no format to `uri`
- **2025-06-11** `e3d4dd57646b`: 1 info
  - added the new enum value `urn:x-tam:format:image` to the `query` request parameter `format`
- **2025-04-24** `b01aaf8cffe2`: 1 breaking, 2 info
  - removed the enum value `urn:x-tam:format:image` from the `query` request parameter `format`
  - removed the pattern `^([^,]+(,[^,]+)*)?$` from the `query` request parameter `tag.{name}`
  - for the `query` request parameter `format`, the format was generalized from `uri` to no format

---

[Operation](https://skmtc.dev/aws-samples/apis/time-addressable-media-store/docs/sources/head.md) - [API](https://skmtc.dev/aws-samples/apis/time-addressable-media-store.md) - [Page](https://skmtc.dev/aws-samples/apis/time-addressable-media-store/changes/sources/head)