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oauth.net/
Featured Video Course: [The Nuts & Bolts of OAuth 2.0](https://www.udemy.com/course/oauth-2-simplified/?referralCode=B04F59AED67B8DA74FA7)
### An **open protocol** to allow **secure authorization** in a **simple** and **standard** method from web, mobile and desktop applications.
[Learn more about OAuth 2.0 »](/2/)
##### For app developers...
If you're building...
* web applications
* desktop applications
* mobile applications
* JavaScript or browser-based apps
OAuth is a way to get access to protected data from an application. It's safer and more secure than asking users to log in with passwords.
##### For API developers...
If you're supporting...
* web applications
* mobile applications
* server-side APIs
* mashups
Use OAuth to let application developers securely get access to your users' data without sharing their passwords.
[Get started...](/getting-started/)