---
title: "List equipment categories"
method: GET
path: "/categories"
tags: ["metadata"]
---

# List equipment categories

`GET /categories`

Get all equipment categories with exercise counts.

## Query parameters

- `lang` string, nullable — Response language code (e.g. 'en-us', 'pt-br'). Defaults to 'en-us' when omitted. See GET /languages for the full list. Non-English languages require GROWTH tier or higher (BASIC keys get them in the Playground).

## Response `200`

Successful Response

- CategoryDict[]
  - `name` string, required — Category identifier (lowercase with underscores)
  - `display_name` string, required — Human-readable category name
  - `count` integer, required — Number of exercises in this category

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/musclewiki/apis/musclewiki-api.md) · [All operations](https://skmtc.dev/musclewiki/apis/musclewiki-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/musclewiki/musclewiki-api/revisions/fccb1308d3dc/schema)