> For the complete documentation index, see [llms.txt](https://api.clearinghouse.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api.clearinghouse.net/api-reference-v2.md).

# API Reference V2.0 (Legacy)

Welcome to **API v2.0**! This version introduces several improvements designed to make the API faster and more scalable.

To learn more about it, see [New Features](/api-reference-v2/new-features.md).