> For the complete documentation index, see [llms.txt](https://cookbook.denovolab.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cookbook.denovolab.com/class-4-api/did-related-apis.md).

# Class4 API

You can review Class 4 API spec from the following URL:

> <http://swagger.denovolab.com/#/>

If you want to use it on your own portal, you will use the following:

> [http://{your class4 base url}/](http://swagger.denovolab.com/#/)api\_dnl/v1/