> For the complete documentation index, see [llms.txt](https://docs.tryterra.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tryterra.co/faq/help-topics/no-data/webhooks-background-delivery-stopping/healthconnect-no-background-delivery.md).

# Why am I getting auth but no Health Connect data webhooks?

Whether Health Connect data flows automatically after authentication depends on the **scheduler**.

* With `schedulerOn = true` (the default on `initConnection`), the Android SDK uses **WorkManager** to periodically fetch new data and send it to your webhook **automatically**. Default intervals: activity every 20 minutes; daily/body/sleep/nutrition every 8 hours (configurable server-side).
* With `schedulerOn = false`, nothing is fetched automatically. Your app must explicitly call the getters (`getDaily`, `getSleep`, `getActivity`, etc.) with `toWebhook = true` to deliver payloads to your webhook.

If you have auth but no data webhooks, check the common gotchas:

* Confirm `schedulerOn` was `true` at `initConnection`, or that you are actually calling the getters.
* In release builds, code shrinking (R8/ProGuard) can strip the classes the SDK needs to query Health Connect. Add the Terra ProGuard keep rules.
* Build a custom dev client / EAS Build (not Expo Go), since the SDK is a native module.
* On reconnect, the SDK re-enqueues the WorkManager fetch jobs only if `schedulerOn` was enabled.

See the [Android SDK reference](https://docs.tryterra.co/reference/health-and-fitness-api/sdk-references/android-kotlin).


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