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.