Fetch a user's daily sleep and readiness scores from Oura API v2
domain: api.ouraring.com · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Register an application in the Oura developer portal (or generate a personal access token for single-user/testing use)
Complete OAuth2 to obtain a bearer access token scoped to the needed data, or use the personal token directly
Call GET https://api.ouraring.com/v2/usercollection/daily_sleep with start_date/end_date query params
Call GET https://api.ouraring.com/v2/usercollection/daily_readiness with the same date range to get the readiness score and its contributors
Pass the access token as an Authorization: Bearer header on every request
Known gotchas
daily_sleep returns a per-night summary score; raw time-series (stages, HR, HRV) requires separate detail endpoints, not daily_sleep
Readiness scores reference the prior night's sleep plus a rolling baseline, so values can lag by a day relative to when the ring actually syncs
Personal access tokens work for single-user testing but should not be used as a substitute for OAuth in a multi-user production app
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