> For the complete documentation index, see [llms.txt](https://docs.january.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.january.ai/client-sdks/web-sdk/reference/testing-and-support.md).

# Testing and support

## Test your integration

Before launch, check that:

* Your provider handles a token response with `expires_in` and one with `expiresIn`.
* A failing token endpoint surfaces the right error, and retries stop in a time your UI can live with ([retry policy](/client-sdks/web-sdk/reference/retries-and-lifecycle.md#provider-retry-policy)).
* Concurrent requests share one token fetch, and a `401 token_expired` is replayed once.
* A canceled request is treated as cancellation, not as a failure.
* Autocomplete leads to search, and a picked result loads the full food with `foods.get` before servings show.
* Photo preparation works in each browser you support.
* Signing out, switching accounts, and changing the timezone each give the right user's data ([Client lifecycle](/client-sdks/web-sdk/concepts/client-lifecycle.md)).
* Your production bundle and network panel contain no API key.

Before upgrading, read the [changelog](/client-sdks/web-sdk/reference/changelog.md).

## Contact support

Include the SDK version, browser and framework versions, the operation, the `JanuaryError` category, status, code, and request ID, and a minimal reproduction. Leave out API keys, tokens, images, nutrition records, and health profiles.