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

# Client Data Lists


## API Docs

- Client Data Lists [List client data lists](https://docs.yunojuno.com/client-api/client-data-lists/retrieve.md)
- Client Data Lists [Update a client data list by ID](https://docs.yunojuno.com/client-api/client-data-lists/create.md)
- Client Data Lists [Update a client data list by external ID](https://docs.yunojuno.com/client-api/client-data-lists/by-external-id-create.md)

## OpenAPI Specification

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