Suddenly I can't access breathing rate data
As of a couple of days ago, I'm not able to access my Breathing Rate data. I get the message: PERMISSION_DENIED - The caller does not have permissionHas something changed??
Forum Posts
Discrepancy in Intraday SpO2 Data from API vs. Data Export
We’ve noticed that the intraday SpO2 data retrieved from the web API endpoint appears to be incomplete. After comparing it with the day-wise SpO2 data exported as CSV files (through data export feature), we observed that the exported files contain mo...
Clarification on SpO2 Data for Non-Main Sleep Sessions
According to the SpO2 API documentation, SpO2 data is specifically associated with a user's main sleep. However, we’ve observed that intraday SpO2 data is also being returned for sleep sessions where mainSleep=false.Could you please clarify this beha...
Resolved! Web API for Readiness Score and Stress data
Dear there,Is there Web API for Readiness Score and Stress data?
Data Collection Suddenly Stop
Hi, Last night, I was collecting data using hundreds of tokens. However, the process unexpectedly stopped during the use of one token, even though it hadn’t reached the API limit and no error messages were recorded in the logs.Has anyone else encount...
403 Permission Denied for HRV Intraday API – Personal Application Type
Hi,I'm trying to access Fitbit's HRV Intraday data using the following request:GET https://api.fitbit.com/1/user/-/hrv/date/{startDate}/{endDate}/all.json However, I receive a 403 Permission Denied error with the following response:{"error": {"code":...
Moving of Fitbit Account to google account
I have a fitbit account created with my work email. I use this account for development purpose and use it to create and manage fitbit apps, request intraday data. As fitbit accounts are moving to google accounts, I tried to move this account to googl...
Not receiving any resting heart rate through the API
Hi, We have an app currently in production that accesses Fitbit API to retrieve health data from users. We have intraday access allowed and we are getting all metrics fine (heart rate, breathing rate, HRV etc) but for some reason there is no resting ...
401 Unauthorized error for OPTIONS preflight requests (April 2025)
My users are reporting errors that just started happening today (April 18) where requests to activities and timeseries APIs like https://api.fitbit.com/1/user/-/activities/date/<date>.json are getting a 401 Unauthorized response (no error message or ...
Quick Question on Request Authorization to Fitbit User Data
Hi All,Does anyone know if the link the user click on for Request Authorization has a expiration time? If we generate multiple link and send them out to the user at the end of the month would the link still be avaiable?Does the expires_in does anythi...
TypeError: Failed to fetch through WebAPI Explorer
Hello,I am not able to access activities within Fitbit Web API Explorer. It worked good in February 2025. Example:1.https://dev.fitbit.com/build/reference/web-api/explore/#/ -> Authorize2. /1/user/-/activities/frequent.json -> Get Recent Activity Typ...
incorrect cardio load values
We started with requesting the Cardio Load, but it looks like the Web API doesn't return the correct values. For a test device we see vo2Max range results on days that we didn't use the test device (for example May 10 and 11), we see a vo2Max range f...
Missing Heart Rate Intraday but has step intraday day
Hi Fitbit Support,We're experiencing a data availability issue with some participants in our system. While we're successfully retrieving steps data (both daily totals and minute-by-minute intraday metrics), we're encountering gaps in the heart rate d...
Get Activity Tcx not working
I can successfully register people and add them to a subscription. I receive data when they sync and I am able to call for the activity data and record that. However, there is data that seems to only be present in tcx files and so I wanted to downloa...
Getting a 403 Permissions error when trying to get Activity Log List
I'm registered my own account and successfully signed up to a subscription. I get a daily summary and can call for the data from activities.I want to be able to determine if an activity has been created manually on the Fitbit app and ignore those act...
Is there any web api available for EDA and Stress?
Hello Fitbit Community,I am seeking information about the availability of a web API for accessing Electrodermal Activity (EDA) and Stress data from Fitbit devices.If anyone within the community has insights or knowledge regarding any existing or plan...
Error in Response for intraday heartrate data web api
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/1.1Hos...
WebApi sync weight data failed error code 403
Hi everyone, I'm encountering an issue while trying to sync weight data to Fitbit using the Web API. I receive a 403 Forbidden error with the message "The caller does not have permission", but I'm certain that I've completed the full authorization pr...
Resolved! Webapi sync weight data failed error(The caller does not have permission) code 403
Hi everyone, I'm encountering an issue while trying to sync weight data to Fitbit using the Web API. I receive a 403 Forbidden error with the message "The caller does not have permission", but I'm certain that I've completed the full authorization pr...
Heart rate data being returned for the wrong intervals?
Hi,I am developing an app using that pulls in user intraday heart rate data. We are requesting data on the interval for 1min, but seem to be getting data back on the interval of 1sec. We had previously changed our code between the two, but are now on...
Classic Sleep Summary Data Always send Alseep Count 0
In Sleep Web API, when we fetch clasic type sleep data (duration less than 3 hours), we are always get asleep count 0 in summary. Here is an example"summary": { "asleep": { "count": 0, "minutes": 102 }, "awake": { "count": 0, "minutes"...
Resolved! Intraday heartrate data isn't appearing
Hi,I recently had intraday API access approved for my application(server-based) but when I send a request for intraday heartrate I'm not getting the intraday data and only getting the summarized RHR. Endpoints tried:GET https://api.fitbit.com/1/user/...
Intraday Breathing rate data
Breathing rate is associated with sleep. If there are multiple sleep sessions in the day, are we gonna receive multiple breathing rate values. From a single day of data what I have seen is that I have received two sleep session data. However I am get...
Problems with integrations
Dear Fitbit Team,I have a few technical questions we hope you can assist us with.Deleting subscriptions for users we do not have data anymore. In some cases we receive hook subscription data for users that do not have any data for access\refresh toke...
Not getting Nutritional Information for all foods with api call
I have logged the following lunch foods:I'm using this api call to get the data.https://api.fitbit.com/1/user/-/foods/log/date/<date>.json I get all of the food items, but not all of the nutritionalValues in the JSON. There's Calories, Fat, Fiber, C...
Collecting mesurement from multiple fitbits
Hello,I am starting research that requires HR/HRV from Fitbit(Inspire 3). I am doing this in parallel(4 in total). Reading the forum made me understand that I cannot add multiple Fitbits to one account.I have registered one "app" to dev.fitbit.com......
missing activity ids with activity list request
When we do the request for the full activity list available for a specific user: https://api.fitbit.com/1/activities.json we don't see the activity id of an activity this user selected on her pixel watch. The activity id was 91060, which is a running...
FIT BIT Data not Getting from Web API but showing in Users fitbit APP
One of our user having data in fit bit APP but from api not getting
Resolved! Issue of intraday data access
My applications to intraday data access were approved, and I received confirmed messages from the issue tracker. However, I still cannot access the intraday data.To be precise, I called the "Heart Rate Intraday by Date" endpoint "/1/user/[user-id]/ac...
[MAJOR] Invalid CalorieLink provided by API response
There seems to be an issue on format for calorie link intraday request. For responses coming from the endpoint: https://dev.fitbit.com/build/reference/web-api/activity/get-activity-log-list/, each activity log contains a possible field "caloriesLink...
Possible to use the WebAPI to access live sleep data while sleeping?
I'm looking at the sleep section of the WebAPI docs and I can't tell when the logs are updated. I want to create an app that can track how long and what stage of sleep I am in to dynamically adjust when my alarm goes off (all of this happens while I ...
HTTPS Securely issue
Dear Fitbit Support team,When users log in with Google to authorize our app and grant permission to access Fitbit data, they receive a warning message: Warning! The app is not using HTTPS to obtain your permission securelyEven though we are using HTT...
How to get stress data?
I can't find an endpoint to get stress data in the docs.Same goes for EDA, daily readyness, cardio load.
How to access Fitbit child account data?
I'm trying to get the data I've accumulated through Fitbit Ace 3, but sdk says no, and I'm trying to get it through API, so the initial stage of logging in with my child's account is not possible, what should I do? In conclusion, I would like to ask ...
Resolved! Data Synchronization Timing for Heart Rate Intraday Data via Fitbit Web API
We are developing an application using the Fitbit Web API, and we have the following question: How long does it typically take for data after the lastSyncTime (obtained via the Device API) to be fully synchronized on the Fitbit servers? We currently...
Resolved! Fitbit API Rate Limit Issue
Dear Fitbit API Support,I call api /1/user/-/profile.json for 1 time and meet this issue. Before that I call this API to make this reach limit /1/user/-/activities/tracker/....As I know the Fitbit Web API has a rate limit of 150 API requests per user...
Resolved! Heart rate intraday data available for personal application but not server application
I have made an application that will collect intraday heartrate data for multiple users. This is registered as a "Server" application at Fitbit. For development purposes I have also made a "Personal" application for one particular user to test the ap...
Resolved! 'Retry-After' When hit 150 rate limit
Hi All, This week, starting from February 22, 2025, I began encountering "Retry-After" errors on some cases when hitting the rate limit. However, we process hundreds of cases, and most run successfully before even reaching the limit. Does anyone have...
Daily summary active minutes in Activity Time Series API
I am looking at the daily summary of 'minutesSedentary', 'minutesLightlyActive', 'minutesFairlyActive', and 'minutesVeryActive' obtained from the "Get Activity Time Series by Date Range" API. I realize that some posts were talking about the definitio...
Demo Account Requests
I have some questions about the new Demo Accounts.1. Do I need to create a new Issue Tracker request for each account/participant or just once per study like the old gmail "+" hack?2. Can I transfer the data from a demo account to the participant's p...