> For the complete documentation index, see [llms.txt](https://help.openletterconnect.com/olc-help-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.openletterconnect.com/olc-help-docs/developer-resources/api-docs.md).

# API Docs

{% embed url="<https://api-docs.openletterconnect.com/>" %}

### How to create an API Key

{% embed url="<https://www.loom.com/share/d1e0b53a5ad2462a809b29d6bccaedd4>" %}