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OAuth 2.0

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OAuth 2.0 (short for “Open Authorization”) is the industry-standard protocol for authorization. Generally, the OAuth protocol provides a way for resource owners to provide a client [application] with secure delegated access to server resources.

Types

OAuth framework specifies several grant types for different use cases. Some of the most common OAuth grant types are:

  • Authorization Code
  • PKCE
  • Client Credentials
  • Device Code
  • Refresh Token
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    • Updated Mar 27, 2026
    • Python

    Created by IETF OAuth Working Group

    Released October 2012

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    Website
    github.com/topics/oauth2
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    Related topics

    access-token authentication indieauth oauth oidc openid raml refresh-token saml xacml