# WHOOP GraphQL API WHOOP is a fitness wearable tracking recovery, strain, and sleep. The API covers physiological metrics (HRV, resting heart rate, SpO2), recovery scores, sleep stages, workout strain, and cycle data for fitness and wellness integration. **Endpoint:** No native GraphQL endpoint — conceptual schema derived from WHOOP REST API **Documentation:** https://developer.whoop.com/docs/developing/overview/ - Reference: https://developer.whoop.com/api/ - Schema: https://github.com/api-evangelist/whoop