> For the complete documentation index, see [llms.txt](https://docs.flowkit.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flowkit.app/glb-2-png/api-key.md).

# API Key

By default the API key used is *demo* which results in the following url:

> <https://www.flowkit.app/s/demo/r/\\>\<URL\_TO\_YOUR\_FILE>

The generic URL looks like this:

> <https://www.flowkit.app/s/\\>\<API\_KEY>/r/\<URL\_TO\_YOUR\_FILE>