# Platform API Reference

- [Users](/developer-documentation/platform-api-reference/users.md): API Reference for ProcessMaker Users API
- [Groups](/developer-documentation/platform-api-reference/groups.md): API Reference for ProcessMaker Group API
- [Requests](/developer-documentation/platform-api-reference/requests.md): API Reference for ProcessMaker Request API
- [Tasks](/developer-documentation/platform-api-reference/tasks.md): API Reference for ProcessMaker Task API
- [Processes](/developer-documentation/platform-api-reference/processes.md): API Reference for ProcessMaker Process API
- [Screens](/developer-documentation/platform-api-reference/screens.md): API Reference for ProcessMaker Screen API
- [Environment Variables](/developer-documentation/platform-api-reference/environment-variables.md): API Reference for ProcessMaker Environment Variable API
- [Files](/developer-documentation/platform-api-reference/files.md): API Reference for ProcessMaker File API
- [Notifications](/developer-documentation/platform-api-reference/notifications.md): API Reference for ProcessMaker Notification API
- [Scripts](/developer-documentation/platform-api-reference/scripts.md): API Reference for ProcessMaker Script API
- [Administrative APIs](/developer-documentation/platform-api-reference/administrative-apis.md): API Reference for ProcessMaker Administration APIs