---
title: "Get category definitions"
description: "Retrieve all available category definitions including display labels,\nicons, colors, and ordering. Categories determine how nodes are organized\nin the sidebar.\n\nBuilt-in categories are always available as defaults. This endpoint allows\noverriding built-in category metadata and defining custom categories.\n"
source: https://flowdrop.io/docs/api/configuration/getCategories
site: FlowDrop documentation
---
# Get category definitions
`GET /categories`

Retrieve all available category definitions including display labels,
icons, colors, and ordering. Categories determine how nodes are organized
in the sidebar.

Built-in categories are always available as defaults. This endpoint allows
overriding built-in category metadata and defining custom categories.

## Responses

- `200` — Categories retrieved successfully (`application/json`: CategoriesResponse)
- `401` — Unauthorized - authentication required (`application/json`: ErrorResponse)
- `500` — Internal server error (`application/json`: ErrorResponse)

*Tags: Configuration*