---
title: "Changes to Create Collection Instrument"
method: POST
path: "/collection-instruments"
---

# Changes to Create Collection Instrument

`POST /collection-instruments`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 47 revisions.

- **2026-08-28** `e82a1a49216c`: 11 breaking, 2 warning
- **2026-08-27** `1e0c2422ae94`: 10 warning, 2 info
- **2026-04-30** `fcb7af2e1be9`: 1 info

## Changes

- **2026-08-28** `e82a1a49216c`: 11 breaking, 2 warning
  - the response's body type changed from `object` to no type for status `200`
  - removed the required property `ci_version` from the response with the `200` status
  - removed the required property `classifier_type` from the response with the `200` status
  - removed the required property `classifier_value` from the response with the `200` status
  - removed the required property `data_version` from the response with the `200` status
  - removed the required property `guid` from the response with the `200` status
  - removed the required property `language` from the response with the `200` status
  - removed the required property `published_at` from the response with the `200` status
  - removed the required property `survey_id` from the response with the `200` status
  - removed the required property `title` from the response with the `200` status
  - removed the required property `validator_version` from the response with the `200` status
  - removed the request property `sds_schema`
  - removed the optional property `sds_schema` from the response with the `200` status
- **2026-08-27** `1e0c2422ae94`: 10 warning, 2 info
  - removed the request property `form_type`
  - removed the request property `legal_basis`
  - removed the request property `metadata`
  - removed the request property `mime_type`
  - removed the request property `navigation`
  - removed the request property `post_submission`
  - removed the request property `questionnaire_flow`
  - removed the request property `sections`
  - removed the request property `submission`
  - removed the request property `theme`
  - 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
- **2026-04-30** `fcb7af2e1be9`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register/docs/collection-instruments/post.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/post)