# General Add-ons

- [Status Notifications (events)](https://dev.ropo.com/guides/general-add-ons/status-notifications-events.md)
- [Status Updates (polling)](https://dev.ropo.com/guides/general-add-ons/status-updates-polling.md)
- [Get PDF](https://dev.ropo.com/guides/general-add-ons/get-pdf.md)
- [Preview of invoice](https://dev.ropo.com/guides/general-add-ons/preview-of-invoice.md)
- [Local print of invoice](https://dev.ropo.com/guides/general-add-ons/local-print-of-invoice.md)
- [MyRopoLink](https://dev.ropo.com/guides/general-add-ons/myropolink.md)
- [PayLink](https://dev.ropo.com/guides/general-add-ons/paylink.md)
- [Onboarding](https://dev.ropo.com/guides/general-add-ons/onboarding.md)
- [Onboarding - APIkey Endpoint](https://dev.ropo.com/guides/general-add-ons/onboarding/onboarding-apikey-endpoint.md): This documentation describes, how to create an API endpoint for receiving Ropo One API-keys of the new profiles, which have been created via Onboarding API.


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