Body Measurement

Stream: snapshot | Event type: body_measurement

A point-in-time body measurement including weight, body composition, and anthropometric data.

Example

{
  "event_type": "body_measurement",
  "data_version": "1.1",
  "source_id": "c3d4e5f6...",
  "provider_ref": "w-abc123",
  "device_id": "dev-002",
  "payload_ts": 1742558400000,
  "revision": 1,
  "capture_mode": null,  "measured_at": 1742558400000,
  "weight_kg": 75.5,
  "height_cm": null,
  "bmi": 23.8,
  "body_fat_pct": 18.2,
  "lean_mass_kg": null
}

Fields

| Field | Type | Unit | Description | |-------|------|------|-------------| | measured_at | number \| null | epoch ms | When the measurement was taken. | | weight_kg | number \| null | kg | Body weight. | | height_cm | number \| null | cm | Height. | | bmi | number \| null | — | Body mass index. | | body_fat_pct | number \| null | percent | Body fat percentage. | | lean_mass_kg | number \| null | kg | Lean mass. |