> 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/missing-fields-data-types-in-payloads.md).

# Missing fields & data types in payloads

Common questions about missing fields & data types in payloads.

## Articles

{% content-ref url="/pages/2NQB0WrKbY1rvJkzO2rq" %}
[Why are Apple Health HR, sleep stages or GPS missing?](/faq/help-topics/no-data/missing-fields-data-types-in-payloads/apple-health-missing-detailed-samples.md)
{% endcontent-ref %}

{% content-ref url="/pages/l9cmOKpwgOtQu6UTUkoK" %}
[Why does Fitbit data look duplicated or missing?](/faq/help-topics/no-data/missing-fields-data-types-in-payloads/fitbit-native-only-and-snapshot-behaviour.md)
{% endcontent-ref %}

{% content-ref url="/pages/9IPhbcSzEGwAO2v2fEn3" %}
[Why isn't third-party activity in Garmin Connect reaching Terra?](/faq/help-topics/no-data/missing-fields-data-types-in-payloads/garmin-thirdparty-imports-excluded.md)
{% endcontent-ref %}

{% content-ref url="/pages/R3uFncHAlyecsaH8ktyH" %}
[Why have my Fitbit heart rate fields gone null?](/faq/help-topics/no-data/missing-fields-data-types-in-payloads/fitbit-samples-scope-empties-summaries.md)
{% endcontent-ref %}

{% content-ref url="/pages/3prpSz9C7xFgXegs5A5f" %}
[Why is sleep null in my Fitbit daily payload?](/faq/help-topics/no-data/missing-fields-data-types-in-payloads/sleep-is-separate-data-type.md)
{% endcontent-ref %}

{% content-ref url="/pages/IKSQZuWagNB9ByHD3fXH" %}
[Why are glucose and temperature samples missing?](/faq/help-topics/no-data/missing-fields-data-types-in-payloads/with-samples-flag-required.md)
{% endcontent-ref %}