---
title: "✨ Get dimension"
method: GET
path: "/api/projects/{project_pk}/dimensions/{id}/"
tags: ["Dimensions"]
---

# ✨ Get dimension

`GET /api/projects/{project_pk}/dimensions/{id}/`

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Retrieve a specific dimension by ID.

## Path parameters

- `id` integer, required
- `project_pk` integer, required

## Response `200`

Dimension details

- Dimension — Serializer for Dimension model. Handles serialization and validation for CRUD operations on dimensions. The project and created_by fields are set automatically from the request context.
  - `allowed_metrics_with_params` object, required — Dictionary mapping metric type names to their parameter schemas.
  - `control_tag` string, nullable, required — Name of the control tag this dimension is extracted from. Set automatically for system dimensions.
  - `created_at` string, date-time, required
  - `created_by` integer, nullable, required — User who created this dimension
  - `description` string — Human-readable description of what this dimension represents
  - `extraction_method` string — Method used to extract values from annotation JSON
  - `extraction_method_params` unknown
  - `id` integer, required
  - `is_active` boolean — Whether this dimension is used in agreement calculations.
  - `is_categorical` boolean, required — Whether this dimension produces categorical (primitive/scalar) values.
  - `is_user_defined` boolean — Whether this dimension was manually created by a user. System-generated dimensions have this set to False.
  - `metric_params` unknown
  - `metric_type` string — Strategy for comparing dimension values across annotators
  - `name` string, required — Unique identifier for this dimension within the project
  - `order` integer — Display order within the project
  - `project` integer, required — Project this dimension belongs to
  - `updated_at` string, date-time, required
  - `values_enum` unknown, required

---

[API](https://skmtc.net/humansignal/apis/label-studio-api.md) · [All operations](https://skmtc.net/humansignal/apis/label-studio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/humansignal/label-studio-api/versions/1b113b8df950/schema)