Modernizing the Fitbit Developer Experience.
The Fitbit Web APIs are moving to a new, scalable infrastructure. We will be deprecating the legacy Fitbit Web API in September 2026. To ensure uninterrupted data continuity for your users, you will need to migrate your applications. Detailed migration guides are live on the Google Health API developer site.
Subscription
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Subscription

The Subscription endpoints allow an application to subscribe to user specific data. Fitbit will send a webhook notification informing the applicaton that the user has new data to download. This functionality prevents the application from polling our services looking for new data.

For additional information on how to use subscriptions and configure your subscriber, see Using Subscriptions in the Developer Guide.

The endpoints available in this section are