# Backapp

- [Backapp documentation](https://docs.backapp.dev/index.md): Connect your mobile app to Backapp’s hosted API.
- [Apply your first image effect](https://docs.backapp.dev/quickstart.md)
- [Authentication](https://docs.backapp.dev/authentication.md)
- [Register a device](https://docs.backapp.dev/api-reference/register-a-device.md)
- [Refresh a session](https://docs.backapp.dev/api-reference/refresh-a-session.md)
- [Get the current user](https://docs.backapp.dev/api-reference/get-the-current-user.md)
- [List image effects](https://docs.backapp.dev/api-reference/list-image-effects.md)
- [Apply an image effect](https://docs.backapp.dev/api-reference/apply-an-image-effect.md)
- [Build with an AI coding agent](https://docs.backapp.dev/build-with-ai.md)

## OpenAPI Specs

- [backapp-public](/openapi/backapp-public.json)


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