The OAuth 2.0 Protocol

Document Type Expired Internet-Draft (individual)
Last updated 2010-04-22
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This specification describes the OAuth 2.0 protocol. OAuth provides a method for making authenticated HTTP requests using a token - an identifier used to denote an access grant with specific scope, duration, and other attributes. Tokens are issued to third-party clients by an authorization server with the approval of the resource owner. OAuth defines multiple flows for obtaining a token to support a wide range of client types and user experience.


Eran Hammer-Lahav (
David Recordon (
Dick Hardt (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)