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OAuth
conceptAuthentication Protocol
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Overview
Developed byInternet Engineering Task Force (IETF)
Licenseopen standard
Open source✓ Open Source
Use caseauthorization framework for third-party access
Technical
Protocols
HTTPHTTPS
Integrates with
OpenID Connect
Also see
Alternative to
OAuth 1.0Basic AuthenticationSAML
Competes with
SAML
Knowledge graph stats
Claims20
Avg confidence95%
Avg freshness100%
Last updatedUpdated 2 days ago
WikidataQ847062
Trust distribution
100% unverified
Governance
Not assessed
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OAuth

concept

Open standard authorization protocol enabling secure delegated access to user accounts on HTTP services.

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specification version

ValueTrustConfidenceFreshnessSources
OAuth 2.0 (RFC 6749)○UnverifiedHighFresh1

supports protocol

ValueTrustConfidenceFreshnessSources
HTTP○UnverifiedHighFresh1
HTTPS○UnverifiedHighFresh1

primary use case

ValueTrustConfidenceFreshnessSources
authorization framework for third-party access○UnverifiedHighFresh1
Third-party API access authorization○UnverifiedHighFresh1

implemented by

ValueTrustConfidenceFreshnessSources
Google○UnverifiedHighFresh1
Microsoft○UnverifiedHighFresh1
Facebook○UnverifiedHighFresh1

open source

ValueTrustConfidenceFreshnessSources
true○UnverifiedHighFresh1

governed by

ValueTrustConfidenceFreshnessSources
Internet Engineering Task Force○UnverifiedHighFresh1

uses token type

ValueTrustConfidenceFreshnessSources
Bearer Token○UnverifiedHighFresh1

developed by

ValueTrustConfidenceFreshnessSources
Internet Engineering Task Force (IETF)○UnverifiedHighFresh1
IETF OAuth Working Group○UnverifiedHighFresh1

standardized year

ValueTrustConfidenceFreshnessSources
2012○UnverifiedHighFresh1

alternative to

ValueTrustConfidenceFreshnessSources
OAuth 1.0○UnverifiedHighFresh1
Basic Authentication○UnverifiedHighFresh1
SAML○UnverifiedModerateFresh1

integrates with

ValueTrustConfidenceFreshnessSources
OpenID Connect○UnverifiedHighFresh1

license type

ValueTrustConfidenceFreshnessSources
open standard○UnverifiedHighFresh1

competes with

ValueTrustConfidenceFreshnessSources
SAML○UnverifiedModerateFresh1

Alternatives & Similar Tools

OAuth 1.0
alternative to
Compare →
Basic Authentication
alternative to
Compare →
SAML
alternative to
Compare →
SAML
competes with
Compare →

Commonly Used With

OpenID Connect

Related entities

Claim count: 20Last updated: 4/8/2026Edit history