---
title: "Changes to Get Collection Instruments Metadata"
method: GET
path: "/collection-instruments/metadata"
---

# Changes to Get Collection Instruments Metadata

`GET /collection-instruments/metadata`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 47 revisions.

- **2026-08-28** `e82a1a49216c`: 2 breaking, 1 info
- **2026-08-27** `1e0c2422ae94`: 2 info
- **2026-05-01** `86630c625a29`: 6 info
- **2026-04-30** `fcb7af2e1be9`: 1 info

## Changes

- **2026-08-28** `e82a1a49216c`: 2 breaking, 1 info
  - removed the enum value `default` from the `query` request parameter `classifier_type`
  - removed the enum value `form_type` from the `query` request parameter `classifier_type`
  - for the `query` request parameter `classifier_type`, the type was generalized from `string` to no type
- **2026-08-27** `1e0c2422ae94`: 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2026-05-01** `86630c625a29`: 6 info
  - `query` request parameter `classifier_value` list-of-types was widened by adding types `null`
  - `query` request parameter `language` list-of-types was widened by adding types `null`
  - `query` request parameter `survey_id` list-of-types was widened by adding types `null`
  - for the `query` request parameter `classifier_value`, the type was generalized from `string` to no type
  - for the `query` request parameter `language`, the type was generalized from `string` to no type
  - for the `query` request parameter `survey_id`, the type was generalized from `string` to no type
- **2026-04-30** `fcb7af2e1be9`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register/docs/collection-instruments/metadata/get.md) - [API](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register.md) - [Page](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register/changes/collection-instruments/metadata/get)