---
title: "Changes to Get an annotation configuration by ID or name"
method: GET
path: "/v1/annotation_configs/{config_identifier}"
---

# Changes to Get an annotation configuration by ID or name

`GET /v1/annotation_configs/{config_identifier}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 74 revisions.

- **2026-07-17** `5b062a93db67` — 1 info
- **2026-05-21** `ea31306c1333` — 4 info
- **2026-04-29** `c81391216eb5` — 4 warning

## Changes

- **2026-07-17** `5b062a93db67` — 1 info
  - api operation id `get_annotation_config_by_name_or_id_v1_annotation_configs__config_identifier__get` removed and replaced with `getAnnotationConfig`
- **2026-05-21** `ea31306c1333` — 4 info
  - added the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/lower_bound` to the response with the `200` status
  - added the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/optimization_direction` to the response with the `200` status
  - added the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/threshold` to the response with the `200` status
  - added the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/upper_bound` to the response with the `200` status
- **2026-04-29** `c81391216eb5` — 4 warning
  - removed the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/lower_bound` from the response with the `200` status
  - removed the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/optimization_direction` from the response with the `200` status
  - removed the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/threshold` from the response with the `200` status
  - removed the optional property `data/oneOf[subschema #3: FreeformAnnotationConfig]/upper_bound` from the response with the `200` status

---

[Operation](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/docs/v1/annotation_configs/:config_identifier/get.md) · [API](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api.md) · [Page](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/changes/v1/annotation_configs/:config_identifier/get)