Keely for developers
Series
One metric over a range, one point per date, up to a year at a time.
Updated
On this page
GET /v1/series/{metric}
One metric over a range, one point per date, null for dates without data, with stats over the dates that have one. The scope depends on the metric:
| Metric | Unit | Scope |
|---|---|---|
recovery | % | nights |
hrv | ms | nights |
resting_hr | bpm | nights |
breathing_rate | breaths/min | nights |
skin_temp_deviation | °C from normal | nights |
asleep | minutes | nights |
sleep_need | minutes | nights |
sleep_performance | % of need | nights |
consistency | Sleep Regularity Index | nights |
deep_sleep | minutes | nights |
rem_sleep | minutes | nights |
load | Load | days |
balance | 7-day ÷ 28-day Load | days |
steps | steps | days |
stress_day | score 0–100 | days |
stress_night | score 0–100 | days |
{
"metric": "hrv",
"unit": "ms",
"from": "2026-09-25",
"to": "2026-09-27",
"points": [
{ "date": "2026-09-25", "value": null },
{ "date": "2026-09-26", "value": 58.4 },
{ "date": "2026-09-27", "value": 70.2 }
],
"stats": { "days_with_data": 2, "mean": 64.3, "min": 58.4, "max": 70.2 },
"as_of": "2026-09-27T15:20:00Z",
"methodology": "https://meetkeely.com/methodology"
}