Inside our APIs
Here’s where you’ll find detailed technical reference documentation for Fitbit APIs. Fitbit offers three types of APIs for building Fitbit device apps and clock faces:
Device API
Click on any of the links to the left to access detailed technical information.
Settings API
Fitbit developers can make their application configurable by users, by creating application settings.
Companion API
Get detailed technical information about the Fitbit Companion APIs.
Web API
Fitbit provides a Web API for accessing data from Fitbit activity trackers, Aria & Aria 2 scales, and manually entered logs.