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).

• 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).

• Your production bundle and network panel contain no API key.

Before upgrading, read the changelog.

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.