> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.ntropy.com/documentation/api/categories/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.ntropy.com/_mcp/server.

# Categories


## API Docs

- Categories [Set a custom set of categories](https://docs.ntropy.com/documentation/api/categories/custom-categories-post-v-3-categories-id-post.md)
- Categories [Retrieve category set](https://docs.ntropy.com/documentation/api/categories/get-category-set-v-3-categories-id-get.md)
- Categories [Reset category set to original values](https://docs.ntropy.com/documentation/api/categories/delete-custom-category-set-v-3-categories-id-reset-post.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.ntropy.com/documentation/api/categories/openapi.json)
- [OpenAPI YAML](https://docs.ntropy.com/documentation/api/categories/openapi.yaml)