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

# Get an annotation configuration by ID or name

`GET /v1/annotation_configs/{config_identifier}`

## Path parameters

- `config_identifier` string, required — ID or name of the annotation configuration

## Response `200`

Successful Response

- GetAnnotationConfigResponseBody
  - `data` union, required
    - 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

## Other responses

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

---

[API](https://skmtc.net/arize-ai/apis/arize-phoenix-rest-api.md) · [All operations](https://skmtc.net/arize-ai/apis/arize-phoenix-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/arize-ai/arize-phoenix-rest-api/versions/a14d8ad6f708/schema)