# Application

- [Get app subscription status](https://docs.ecwid.com/api-reference/rest-api/application/get-app-subscription-status.md)
- [Cancel app subscription](https://docs.ecwid.com/api-reference/rest-api/application/cancel-app-subscription.md)
- [Get all app storage data](https://docs.ecwid.com/api-reference/rest-api/application/get-all-app-storage-data.md)
- [Get specific app storage data](https://docs.ecwid.com/api-reference/rest-api/application/get-specific-app-storage-data.md)
- [Update specific app storage data](https://docs.ecwid.com/api-reference/rest-api/application/update-specific-app-storage-data.md)
- [Delete specific app storage data](https://docs.ecwid.com/api-reference/rest-api/application/delete-specific-app-storage-data.md)
- [Add app storage data](https://docs.ecwid.com/api-reference/rest-api/application/add-app-storage-data.md)
- [Custom charge with Ecwid billing](https://docs.ecwid.com/api-reference/rest-api/application/custom-charge-with-ecwid-billing.md)


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If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.ecwid.com/api-reference/rest-api/application.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.