> For the complete documentation index, see [llms.txt](https://help.cymmetri.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.cymmetri.io/getting-started/personalization/api-client.md).

# API Client

API Client Refers to [API Extension](/getting-started/personalization/api-extension.md).