Lose It! integration

Connect Lose It! nutrition and wellness data to your app with ROOK’s unified and scalable SDK

Lose It! to Apple Health or Health Connect to ROOK Connect to Your backend: how Lose It! data reaches your product through ROOK.

How it connects

ROOK reads Lose It! data via Apple Health or Health Connect.

ROOK's SDK delivers nutrition, meals and calories from Lose It! as structured JSON, by webhook and API.

Use Lose It! data to build more personalized nutrition, fitness, wellness, and preventive health experiences, improve user engagement, and support better weight management, progress tracking, and lifestyle outcomes.

Our Lose It! integration delivers notifications within minutes after a user completes an event and syncs their app.

Read the Lose It! docs
ROOK Connectvia Apple Health · body_summary
{  "data_structure": "body_summary",  "user_id": "demo-user-01",  "body_health": { "summary": { "body_summary": {    "metadata": {      "sources_of_data_array": ["Apple Health - Third Party"]    },    "heart_rate": {      "hr_avg_bpm_int": 67,      "hr_resting_bpm_int": 58    },    "oxygenation": { "saturation_avg_percentage_int": 97 }  } } }}
ROOK Connectvia Health Connect · body_summary
{  "data_structure": "body_summary",  "user_id": "demo-user-01",  "body_health": { "summary": { "body_summary": {    "metadata": {      "sources_of_data_array": ["Health Connect - Third Party"]    },    "heart_rate": {      "hr_avg_bpm_int": 67,      "hr_resting_bpm_int": 58    },    "oxygenation": { "saturation_avg_percentage_int": 97 }  } } }}

Get started

Connect Lose It! in three steps.

  1. Enable Lose It! in the ROOK portalTurn Lose It! on as a data source for your client in the ROOK portal.
  2. Let users connect Lose It! on their phoneUsers sync Lose It! with Apple Health or Health Connect once, then grant access in your app through the ROOK SDK or ROOK App.
  3. Receive standardized dataROOK turns Lose It! data into the same JSON structure as every other data source and delivers it to your backend by webhook and API.

Use cases

What teams build with Lose It! data.

From seamless wearable integrations to advanced health insights, ROOK empowers you to build personalized wellness apps, research platforms, fitness dashboards, chronic care solutions and many more great use cases.

More data sources

More nutrition apps connected to ROOK.

FAQ

Frequently asked questions about the Lose It! integration

What teams ask before they connect Lose It! through ROOK.

How quickly does Lose It! data reach my backend?

Our Lose It! integration delivers notifications within minutes after a user completes an event and syncs their app.

Do I need my own Lose It! developer account?

No. ROOK handles the Lose It! connection, so you only enable Lose It! as a data source in the ROOK portal.

How does ROOK connect to Lose It!?

Through Apple Health on iOS and Health Connect on Android. Lose It! writes its data there and the ROOK SDK or ROOK App reads it.

Read the Lose It! documentation
Still have questions?Our team can review your sources and use case with you.
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