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Error in Response for intraday heartrate data web api

‎06-05-2025 08:12

‎06-05-2025 08:12

Hello,

I recently had trouble with getting the intraday heartrate data for a client app. When i request the data from the browser, i get this reponse:

REQUEST:
```
GET /1/user/-/activities/heart/date/[YYYY-MM-DD]/1d/1min/time/00:00/23:59.json HTTP/1.1
Host: localhost:3000
Accept: application/json
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br, zstd
Referer: http://localhost:3000/dashboard
Authorization: Bearer [REDACTED]
Connection: keep-alive
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin
Priority: u=4
Pragma: no-cache
Cache-Control: no-cache

```

RESPONSE:
```<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<style type="text/css">
body
{
margin: 0;
overflow: hidden;
}
#mainFrame
{
position: absolute;
left: 0px;
top: 0px;
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<!--rid=1239404970632530671-->
<form target="_top" id="mainForm">

<iframe id="mainFrame" src="https://www.fitbit.com/404" frameborder="0"></iframe>

</form>
</body>
</html>```

 

 

I am developping on localhost and using react proxy to make the request go to fitbit. Here is the package.json:
```

{
"version": "0.1.0",
"private": true,
"proxy": "https://api.fitbit.com/", <--------
"dependencies": {
...}

}

```

 

I don't have any problem with other request like activities by date (/1/user/-/activities/date/[YYYY-MM-DD].json) or hrv (/1/user/-/hrv/date/[YYYY-MM-DD].json).
I also have a similar problem with sleep data. I get an error this time. This makes my think the two are related because they would required more access to the api/i would not be authorized ?

RESPONSE FOR SLEEP:
{"errors":[{"errorType":"system","fieldName":"n/a","message":"Not Found"}],"success":false}

 

My app was approved for intraday access but I don't understand where theses errors come from. Is it related to the fitbit api or me ?

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1 REPLY 1

‎07-30-2025 08:45

‎07-30-2025 08:45

Hi @paulclrt 

Thank you for your patience with me getting back to you on your question.

For the problem with the Heart Rate Intraday endpoint, were you able to get the intraday data before?  If so, when did this error begin?

For the sleep endpoint, that error typically means there is a syntax problem.   Would you please provide me with the endpoint syntax that is failing?

Lastly, if I am to try to reproduce this problem, would you please let me know your client ID and the programming language that you're using?

Gordon

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