---
title: hub.auth API Reference
description: Learn how to manage API key and cookie-based authentication in Ultralytics with the Auth class. Step-by-step guide for effective authentication.
keywords: Ultralytics, authentication, API key, cookies, Auth class, YOLO, API, guide
---

# Reference for `ultralytics/hub/auth.py`

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/hub/auth.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/hub/auth.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing) — thank you! 🙏

<br>

## ::: ultralytics.hub.auth.Auth

<br><br>
