---
title: "Single Vo2 Max Document"
method: GET
path: "/v2/usercollection/vO2_max/{document_id}"
tags: ["VO2 Max Routes"]
---

# Single Vo2 Max Document

`GET /v2/usercollection/vO2_max/{document_id}`

## Path parameters

- `document_id` string, required

## Response `200`

Successful Response

- PublicVO2Max — VO2Max estimate.
  - `id` string, required — Unique identifier of the object.
  - `day` string, required
  - `timestamp` string, required
  - `vo2_max` integer, required — VO2 max value.

## 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.
- `404` — Not Found
- `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)