Passive health intelligence

Health context from the signals you already create.

ETER connects consented health signals, notices meaningful changes, and helps explain what shifted without turning health into a stream of repeated check-ins.

Test WHOOP OAuth Request pilot access
Health Signals Hub Prototype surface
Recovery
72%
WHOOP connector ready
Sleep
6h 48m
Baseline comparison
HRV
-11%
Meaningful deviation
Labs
12
Markers normalized

Built first around the connector backend.

Real callback URL

`/whoop/callback` is the public HTTPS route to register with WHOOP.

Server-side exchange

`/api/whoop/exchange` keeps the client secret and token exchange off the browser.

Prototype diagnostics

Callback and endpoint status are readable during the prototype phase.