---
title: "Changes to Get information about a concept or collection."
method: GET
path: "/conceptschemes/{scheme_id}/c/{c_id}"
---

# Changes to Get information about a concept or collection.

`GET /conceptschemes/{scheme_id}/c/{c_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 24 revisions.

- **2025-11-20** `d98571488187`: 1 breaking, 1 info
- **2024-08-01** `20edc4da41fd`: 8 breaking, 1 info
- **2021-12-22** `042de7aa8903`: 1 info
- **2021-12-20** `720170256c20`: 1 breaking

## Changes

- **2025-11-20** `d98571488187`: 1 breaking, 1 info
  - added `#/components/schemas/ConceptDetail, #/components/schemas/CollectionDetail` to the response body `oneOf` list for the response status `200`
  - removed `#/components/schemas/ConceptRequest, subschema #2` from the response body `allOf` list for the response status `200`
- **2024-08-01** `20edc4da41fd`: 8 breaking, 1 info
  - the `allOf[#/components/schemas/ConceptRequest]/broader/items/id` response's property type changed from `integer` to `string` for status `200`
  - the `allOf[#/components/schemas/ConceptRequest]/id` response's property type changed from `integer` to `string` for status `200`
  - the `allOf[#/components/schemas/ConceptRequest]/member_of/items/id` response's property type changed from `integer` to `string` for status `200`
  - the `allOf[#/components/schemas/ConceptRequest]/members/items/id` response's property type changed from `integer` to `string` for status `200`
  - the `allOf[#/components/schemas/ConceptRequest]/narrower/items/id` response's property type changed from `integer` to `string` for status `200`
  - the `allOf[#/components/schemas/ConceptRequest]/related/items/id` response's property type changed from `integer` to `string` for status `200`
  - the `allOf[#/components/schemas/ConceptRequest]/subordinate_arrays/items/id` response's property type changed from `integer` to `string` for status `200`
  - the `allOf[subschema #2]/id` response's property type changed from `integer` to `string` for status `200`
  - for the `path` request parameter `c_id`, the type was generalized from `integer` to `string`
- **2021-12-22** `042de7aa8903`: 1 info
  - endpoint added
- **2021-12-20** `720170256c20`: 1 breaking
  - api removed without deprecation

---

[Operation](https://skmtc.dev/onroerenderfgoed/apis/atramhasis-api/docs/conceptschemes/:scheme_id/c/:c_id/get.md) - [API](https://skmtc.dev/onroerenderfgoed/apis/atramhasis-api.md) - [Page](https://skmtc.dev/onroerenderfgoed/apis/atramhasis-api/changes/conceptschemes/:scheme_id/c/:c_id/get)