Forum Posts

Activity log data questions

I am using fitbit data processed by RADAR-base and have a couple of questions about the 'activity log' data type (RADAR-Schemas/commons/connector/fitbit/fitbit_activity_log_record.avsc at master · RADAR-base/RADAR-Schemas) that I was wondering if any...

app review

I have an app in waiting for review status for 4 weeks, and was wondering if there was an estimated time when there would be feedback from the review?  The app is called Meditation Time LoggerThanks much, Jordan Walter 

jordan-w by Recovery Runner
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API 500 error

Hello, We have recently starting receiving API 500 errors. API Error response : {"errors":[{"errorType":"request","fieldName":"500","message":"An error occurred with the Fitbit Web API while processing the request. Error id: 7378761704981933263"}],"s...

hi_SG by Base Runner
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api.fitbit.com timing out/ long response times

Hello,We are seeing timeouts/ long response times from api.fitbit.com since evening PST of 11/18/2025 with most the endpoints. Is there any issue going on and if so is there any ETA for resolution? Please find a couple of screenshots  below.  

fitbit_issue.jpg fitbit_trend.jpg

Demo Account Questions

Hello, I have a few questions about the demo accounts. 1. I am part of a multi-site research study where each site functions independently. When requesting accounts via Issue Tracker, should we submit a single request under the overall study, or can ...

Heart rate data

Hi,I am looking to do a project and would like to collect heart rate data for every half hour of the day on specific days. Is this possible? At the moment when i download the data it is a massive set of files with minute by minute data which is hard ...

Nesu by Jogger
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Fitbit dev tools are moving to Google Accounts

Hey Fitbit developers, Important update: To ensure you can continue to use dev.fitbit.com and keep your third-party apps for Fitbit devices running smoothly, you’ll need to transition your login to a Google Account. If you don’t make the move, you’ll...

Repeated timestamps

We are trying to use fitbit data for a research project and have noticed something strange with the timestamps.We are often getting pairs or multiples of rows that are duplicates of each other (same time stamp and same values in all measurement and d...

Google account for Fitbit

Hi! We have several clinical studies utilizing Fitbit, each involving hundreds of patients. Many of our patients are seniors, and to ensure smooth account management, we usually set up Fitbit accounts for them before sending out the devices. However,...

Accept-Language Header is Recommended for API Calls

Previously, the inclusion of the Accept-Language header in API requests was considered optional, and our systems would typically default to a standard localization. However, with the changes introduced in v4.39, omitting this header could lead to you...

Fitbit for Participants without Google Account

Dear all,Fitbit now requires a Google account for registration, which complicates our research process. We intended to create Fitbit accounts and provide them to participants, allowing us to monitor their sleep data and export it as needed. However, ...

Fitbit Account -> Google Account: Changes in Fitbit API?

Hello,if I migrate my Fitbit account to a Google Account as requested by Fitbit, does the Fitbit API change? Especially the authentication procedure? I use the API for personal projects - do I have to adapt anything after the account migration?https:...

RN_ by Jogger
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Change of email address for research application

I am writing to request a change of the email address associated with the previously approved Research Application's OAuth 2.0 Client ID. This request is being made due to a change in the research personnel.Could you please confirm whether it is poss...

cifcif by Jogger
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Intraday form is not approved yet.

Dear Team,I hope you are doing well.My name is Ashish, and I am currently developing an AI-powered mobile application, Qalqan, which analyzes users' sleep patterns and HRV data to assist with health-related concerns. To access HRV intraday data, I re...

Cardio Score Norming Distributions

Hi-I'm wondering if Fitbit can provide norming distributions for the Cardio Score data by age and sex? We receive numeric or range values, but are interested in translating these into quantiles from a healthy population. Thanks!

Health Mobile App

Hello guys this is my first time developing an app that gets data from a smart watch , i was wondering if it is possible using Kotlin Multiplatform to get data  from the watch for both android and ios devices ,because i read that some features of  fi...

gioanni by Jogger
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Get Daily Activity Summary Endpoint Issues

Hi, Using the Get Daily Activity Summary endpoint to check steps hourly during the day has starting returning incorrect data.  If the endpoint is called before midnight the returned value is users steps for the day.  This is the expected behavior.   ...

scoon by Jogger
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Irregular Rhythm Notifications (IRN) data

We're in the process of adding support for IRN data in our app, using the Web API, but having difficulty testing it due to lack of notifications.  Is there a way to force a notification, or could you provide more detailed sample/test data?

darin_ce by Recovery Runner
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Activities no longer logged automatically

Our app currently POSTs activities that represent workouts /v1/user/-/activities with the intent that these activities would appear in the user's Fitbit logs.  Recently we have been getting lots of user reports from our users indicating that our work...

Internal server errors for activities/minutes* e

I am constantly getting errors with the activities/minutes* endpoints. For example: https://api.fitbit.com/1/user/-/activities/minutesLightlyActive/date/DATE/DATE.json and https://api.fitbit.com/1/user/-/activities/minutesSedentary/date/DATE/DATE.jso...

acbowz by Jogger
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FitBit: Internal Service Error

Hi thereSeems like we're getting 500 Response codes from FitBit. The API page however, does not reflect any issues. @JohnFitbit can you please advice on any issue || What you are seeing on your side. Regards

Resolved! Bug: "401 Unauthorized" error has changed

During our recent maintenance period, we have discovered that some of the 401 Unauthorized error messages related to tokens have changed, and are not returning the "error_type". Any application that uses the "error_type" value to know when a token ha...

Gordon-C by Fitbit Developer
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Resolved! Compatibility With Nordic Track

I noticed that Fitbit syncs with Peloton.   As  I think it is amazing however, I have a Nordic Track and it uses the iFit App.  Would love for FitBit to have compatibility with this app as well in order to sync workouts and other data.  (iFit schedul...

Resolved! Forum Moderator Issue With Dates

This forum is flagging any posts that I submit that contain dates.For example, if I includeorIt gives me the errorsIs this by design? Problem with auto-moderator?Thanks,Jeff HumphryNew Ocean Health Solutions

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