---
title: "Multiple Daily Cardiovascular Age Documents"
method: GET
path: "/v2/usercollection/daily_cardiovascular_age"
tags: ["Daily Cardiovascular Age Routes"]
---

# Multiple Daily Cardiovascular Age Documents

`GET /v2/usercollection/daily_cardiovascular_age`

## Query parameters

- `start_date` union
  - string, date-time
  - string, date
- `end_date` union
  - string, date-time
  - string, date
- `next_token` string, nullable
- `fields` string, nullable — Comma-separated list of fields to include in the response, in addition to the always returned fields. Defaults to all fields if not provided.

## Response `200`

Successful Response

- union
  - MultiDocumentResponsePublicDailyCardiovascularAge
    - `data` PublicDailyCardiovascularAge[], required
      - `id` string, required — Unique identifier of the object.
      - `day` string, required
      - `pulse_wave_velocity` number, nullable — Pulse wave velocity (m/s), derived from vascular age, with possible offset added.
      - `vascular_age` integer, nullable — Predicted vascular age in range [18, 100].
    - `next_token` string, nullable, required
  - MultiDocumentResponseDict
    - `data` object[], required
    - `next_token` string, nullable, required

## Other responses

- `400` — Client Exception
- `401` — Unauthorized access exception. Usually means the access token is expired, malformed or revoked.
- `403` — Access forbidden. Usually means the user's subscription to Oura has expired and their data is not available via the API.
- `422` — Validation Error
- `429` — Request Rate Limit Exceeded.

---

[API](https://skmtc.dev/ouraring/apis/oura-api-documentation.md) · [All operations](https://skmtc.dev/ouraring/apis/oura-api-documentation/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ouraring/oura-api-documentation/revisions/8b8ae3b61eda/schema)