---
title: "Anonymized health-data aggregates across a research cohort. Same filter shape as /research/cohort-query, different aggregate set: sleep / steps / resting HR / HRV / glucose-in-range / weight loss. No per-user data leaves the endpoint — counts + denominators only. Use case: comparing cohort-level health outcomes across surgery types, post-op windows, or activity levels."
method: POST
path: "/api/bridge/research/health-aggregates"
tags: ["Lucille Bridge"]
---

# Anonymized health-data aggregates across a research cohort. Same filter shape as /research/cohort-query, different aggregate set: sleep / steps / resting HR / HRV / glucose-in-range / weight loss. No per-user data leaves the endpoint — counts + denominators only. Use case: comparing cohort-level health outcomes across surgery types, post-op windows, or activity levels.

`POST /api/bridge/research/health-aggregates`

## Request

- Base URL: `https://api.rewritelifestyle.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.rewritelifestyle.ai/api/bridge/research/health-aggregates`
- Auth: API key in header `X-Bridge-Key`

## Request body

- ResearchCohortQueryDto

## Response `201`

---

[API](https://skmtc.dev/rewritelifestyle/apis/rewrite-lifestyle-api.md) - [All operations](https://skmtc.dev/rewritelifestyle/apis/rewrite-lifestyle-api/llms.txt) - [OpenAPI document](https://skmtc.dev/rewritelifestyle/apis/rewrite-lifestyle-api/revisions/28695827f27a?raw)