---
title: "List annotation configurations"
method: GET
path: "/v1/annotation_configs"
tags: ["annotation_configs"]
---

# List annotation configurations

`GET /v1/annotation_configs`

Retrieve a paginated list of all annotation configurations in the system.

## Query parameters

- `cursor` string, nullable — Cursor for pagination (base64-encoded annotation config ID)
- `limit` integer — Maximum number of configs to return

## Response `200`

A list of annotation configurations with pagination information

- GetAnnotationConfigsResponseBody
  - `data` union[], required
    - union
      - CategoricalAnnotationConfig
        - `name` string, required
        - `type` 'CATEGORICAL', required
        - `description` string, nullable
        - `optimization_direction` 'MINIMIZE' | 'MAXIMIZE' | 'NONE', required
        - `values` CategoricalAnnotationValue[], required
          - `label` string, required
          - `score` number, nullable
        - `id` string, required
      - ContinuousAnnotationConfig
        - `name` string, required
        - `type` 'CONTINUOUS', required
        - `description` string, nullable
        - `optimization_direction` 'MINIMIZE' | 'MAXIMIZE' | 'NONE', required
        - `lower_bound` number, nullable
        - `upper_bound` number, nullable
        - `id` string, required
      - FreeformAnnotationConfig
        - `name` string, required
        - `type` 'FREEFORM', required
        - `description` string, nullable
        - `optimization_direction` 'MINIMIZE' | 'MAXIMIZE' | 'NONE'
        - `threshold` number, nullable
        - `lower_bound` number, nullable
        - `upper_bound` number, nullable
        - `id` string, required
  - `next_cursor` string, nullable, required

## Other responses

- `403` — Forbidden
- `422` — Validation Error

## Changes

- **2026-07-17** `5b062a93db67` — 1 info
  - api operation id `list_annotation_configs_v1_annotation_configs_get` removed and replaced with `listAnnotationConfigs`
- **2026-05-21** `ea31306c1333` — 4 info
  - added the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/lower_bound` to the response with the `200` status
  - added the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/optimization_direction` to the response with the `200` status
  - added the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/threshold` to the response with the `200` status
  - added the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/upper_bound` to the response with the `200` status
- **2026-04-29** `c81391216eb5` — 4 warning
  - removed the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/lower_bound` from the response with the `200` status
  - removed the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/optimization_direction` from the response with the `200` status
  - removed the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/threshold` from the response with the `200` status
  - removed the optional property `data/items/oneOf[subschema #3: FreeformAnnotationConfig]/upper_bound` from the response with the `200` status

[Change history](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/changes/v1/annotation_configs/get.md)

---

[API](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api.md) · [All operations](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/arize-ai/arize-phoenix-rest-api/revisions/f440cb6427a5/schema)