Project

[Ganchito]

Hello,

I'm doing a project for my University and I'm trying to use de fitbit API.

The idea is to get the data from the central servers of FITBIT where the watch send the data, through a batch executed periodically. 

I have read the docu but there are some things that I didn't get. 

What application type do I have to use? server?

How I upload the app to the central servers?

Any language recommended?

If you link me some info for me is enough.

Thanks in advance,

Fran

[Gordon-C]

Hi @Ganchito 

• The Web API application type is based on the architecture of your application.   See https://dev.fitbit.com/build/reference/web-api/developer-guide/getting-started/#Application-Types.  To query your participant's data, you will need to set the application type to either "client" or "server". 
• You do not need to upload your Web API application to Fitbit.   When you register your application on dev.fitbit.com, you will receive a client ID and client secret.   Using these two things in your code will trigger Fitbit that you have an authorized application to pull Fitbit user data.
• You may use any programming language as long as there is an OAuth 2.0 library available.   We list some popular ones here: https://dev.fitbit.com/build/reference/web-api/developer-guide/libraries-and-sample-code/.   I am not endorsing its use but from personal experience, Scribe Java is easy to setup and is continually maintained. There are plenty more available which are not listed on our site.   You can find them through internet searches.

Gordon

[Ganchito]

Hi Gordon,

First of all, thank you for the answer, it has helped me.

I have advanced in my project and the next week I will bring some more doubts.

At this moment there is still one thing I don't get his use. The user-id in the petitions. For example: /1/user/-/activities/date/{date}.json.

The '-' corresponds to the current user logged, but in the petition, I also have to send the auth token (who represents the user logged), so what use has the 'user-id' there?

Fran

[Gordon-C]

Hi @Ganchito 

You will always need to provide the access token which lets Fitbit know which user's data you are requesting.   By specifying the "-", you are just requesting the user's data based on the access token.   If you enter the user id into the endpoint, (i.e. /1/user/ABC123/activities/date/{date}.json), then we will validate the user id in the endpoint declaration against the access token.   Either option is acceptable.

Gordon

[Ganchito]

Hi @Gordon-C,

So as summary: the "user id" field it's optional, and only is necessary if we want to confirm that the access token is the correct one in relation to the user we are looking at?

[Gordon-C]

Correct.   Providing the user id value is optional.   It's common for developers to just provide the "-".

[Ganchito]

Hi, I am developing the API to display information to the user as a project for my university. But I don't have any fitbit device in my hand right now. Is there any way to mock this database of a user?

[Gordon-C]

Hi @Ganchito 

You can manually log the activity, nutrition, sleep and weight data through either fitbit.com or the mobile application.  Also, you can add MobileTrack as the Fitbit device in the mobile application to use your mobile phone as a pedometer.

Gordon

[SunnyGuy]

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