No heart rate data in an active day

[badfish_sd]

Endpoints:

$importHandle->connectFitbit("1/user/$userID/activities/date/2016-08-08.json", $token);
$importHandle->connectFitbit("1/user/$userID/activities/heart/date/2016-08-08/1d.json", $token);

Responses: 

{
    "activities": [],
    "goals": {
        "activeMinutes": 30,
        "caloriesOut": 2031,
        "distance": 8.05,
        "steps": 10000
    },
    "summary": {
        "activeScore": -1,
        "activityCalories": 800,
        "caloriesBMR": 1167,
        "caloriesOut": 1780,
        "distances": [
            {
                "activity": "total",
                "distance": 7.55
            },
            {
                "activity": "tracker",
                "distance": 7.55
            },
            {
                "activity": "loggedActivities",
                "distance": 0
            },
            {
                "activity": "veryActive",
                "distance": 1.88
            },
            {
                "activity": "moderatelyActive",
                "distance": 1.31
            },
            {
                "activity": "lightlyActive",
                "distance": 4.27
            },
            {
                "activity": "sedentaryActive",
                "distance": 0
            }
        ],
        "fairlyActiveMinutes": 28,
        "lightlyActiveMinutes": 184,
        "marginalCalories": 448,
        "sedentaryMinutes": 1200,
        "steps": 11287,
        "veryActiveMinutes": 28
    }
}

Seems no heart rate data?
{
    "activities-heart": [
        {
            "dateTime": "2016-08-08",
            "value": {
                "customHeartRateZones": [],
                "heartRateZones": [
                    {
                        "max": 91,
                        "min": 30,
                        "name": "Out of Range"
                    },
                    {
                        "max": 128,
                        "min": 91,
                        "name": "Fat Burn"
                    },
                    {
                        "max": 155,
                        "min": 128,
                        "name": "Cardio"
                    },
                    {
                        "max": 220,
                        "min": 155,
                        "name": "Peak"
                    }
                ]
            }
        }
    ],
    "activities-heart-intraday": {
        "dataset": [],
        "datasetInterval": 1,
        "datasetType": "minute"
    }
}

[badfish_sd]

heartrate is within the scope...

"scope": "heartrate activity",

[AndrewFitbit · Accepted solution]

@badfish_sd If the user doesn't have a device with heart rate, or if they turned heart rate off, then no heart rate data will appear.

[badfish_sd]

Thanks.  She has an Alta. Just checked Fitbit product page, and realize it does NOT have heartrate function.