Important: On
September 30, 2026, support for the legacy Fitbit Web API ended. On
November 2, 2026, the legacy Fitbit Web API and Fitbit OAuth endpoints will be turned off and will no longer function or sync data to or from Fitbit users. To continue accessing data for your users after this date, migrate to the Google Health API. For migration guidance, see the
Fitbit Web API Migration Guide.
TimeInHeartRateZoneRollupValue
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Represents the result of the rollup of the time in heart rate zone data type.
TimeInHeartRateZoneRollupValue.TimeInHeartRateZoneValue
Represents the total time spent in a specific heart rate zone.
| JSON representation |
{
"heartRateZone": enum (HeartRateZoneType),
"duration": string
} |
| Fields |
heartRateZone |
enum (HeartRateZoneType)
The heart rate zone.
|
duration |
string (Duration format)
The total time spent in the specified heart rate zone. A duration in seconds with up to nine fractional digits, ending with 's'. Example: "3.5s".
|
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Last updated 2026-03-26 UTC.
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