Extend & Integrate
Build on top of Intervals.icu with a powerful API, webhooks, and custom extensions.
Open API
Integrate with Intervals.icu using a full REST API. Upload and download activities, manage wellness data, create workouts, and receive webhooks. Supports OAuth 2.0 and API key authentication.
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App Integrations
More than 200 third-party apps have integrated with Intervals.icu using the open API. Sync workouts, push data, and extend the platform with tools built by the community and commercial developers.
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Custom JavaScript
Extend Intervals.icu with your own JavaScript. Create computed activity fields, custom interval fields, custom activity streams from FIT file data, and custom charts with Plotly. Share your creations with the community.
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