> For the complete documentation index, see [llms.txt](https://developers.authopia.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.authopia.io/docs/back-end.md).

# Back-end

- [Back-end Integration Overview](https://developers.authopia.io/docs/back-end/back-end-integration-overview.md)
- [Examples](https://developers.authopia.io/docs/back-end/examples.md)
- [PHP](https://developers.authopia.io/docs/back-end/examples/php.md)