The inference layer for human biology — as an API.

POST api.continuum.health/v1/infer
Authorization: Bearer ${secret}

{
  "user": "usr_8f2a91",
  "query": "why am i tired today?",
  "sources": ["auto"],
  "context": {
    "surface": "consumer-app",
    "audience": "self"
  }
}

200 OK · 720ms · signed

{
  "insight": "...",
  "shortAnswer": "Three signals from four sources converged...",
  "citations": [
    { "source": "dexcom", "weight": 0.32, "confidence": 0.98 },
    { "source": "oura",   "weight": 0.22, "confidence": 0.94 },
    { "source": "whoop",  "weight": 0.18, "agreement": 0.96 },
    { "source": "myfitnesspal", "weight": 0.18 },
    { "source": "apple-health", "weight": 0.10 }
  ],
  "qualityScore": 0.92,
  "signature": "0x4f1c..."
}

POST api.continuum.health/v1/connect
Authorization: Bearer ${secret}

{
  "user": "usr_8f2a91",
  "method": "oauth",
  "vendor": "oura",
  "redirect": "https://yourapp.com/cb"
}

200 OK

{
  "url": "https://api.continuum.health/oauth/oura/...",
  "alternates": {
    "shortcut": "https://...icloud.com/shortcuts/...",
    "export": "POST /v1/connect/export with file=..."
  }
}

GET api.continuum.health/v1/timeline
  ?user=usr_8f2a91
  &fields=hrv,sleep,glucose
  &range=90d
Authorization: Bearer ${secret}

200 OK

{
  "user": "usr_8f2a91",
  "range": { "from": "2026-01-25", "to": "2026-04-24" },
  "fields": {
    "hrv":     { "median": 52, "iqr": [44, 58], "agreement": 0.96 },
    "sleep":   { "median": 78, "iqr": [70, 84], "agreement": 0.94 },
    "glucose": { "median": 96, "iqr": [88, 104], "agreement": 1.0 }
  },
  "vendors": [
    { "id": "oura",    "first": "2026-01-25", "records": 90 },
    { "id": "whoop",   "first": "2026-02-12", "records": 72 },
    { "id": "dexcom",  "first": "2026-03-04", "records": 51 },
    { "id": "apple-health", "first": "2024-08-01", "records": 998 }
  ]
}