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Free Plugin by Jayson T Cote v4.5.1

WP OAuth Server

Adds Authentication through OAuth 2. Provides the ability for Single Sign On for websites & Mobile Applications.

WP OAuth Server

The facts

Rating
3.8★ from 41
Active installs
3k+
Price
Free
Last updated
14 Aug 2026
Added
Mar 2013
Requires WP
4.7.2
Tested up to
WP 7.0.4
Requires PHP
7.4
Downloads
184,418

Our analysis

AI-assisted

WP OAuth Server is a WordPress plugin that facilitates OAuth 2.0 authentication for connecting applications to WordPress. It allows for single sign-on (SSO) across multiple websites using the same credentials, without the need for third-party servers.

The plugin supports various OAuth 2.0 features, including automated authorization flows and the ability to connect custom mobile and desktop applications to WordPress. It is suitable for developers looking to integrate OAuth authentication into their applications or websites.

Best for: Developers and website owners needing OAuth authentication for their applications.

What it does well

  • Provides WP REST API authentication
  • Supports unlimited OAuth 2.0 clients
  • Includes built-in resource server
  • Allows connection of custom applications to WordPress
  • Free to use

Where it falls short

  • Limited support for Windows OS due to IIS issues
  • No backward compatibility for versions older than 3.0.0

Verdict

WP OAuth Server is a functional plugin for OAuth 2.0 authentication, though it may have limitations on certain systems. It is a viable option for those needing to implement secure connections between their applications and WordPress.

From the developer

Jayson T Cote's own description of WP OAuth Server, lightly tidied.

Connect your app to WordPress or use SSO to connect multiple websites with the same username and passwords. No 3rd party servers are needed with WP OAuth Server. Everything you need is in this plugin.

Features

  • WP REST API Authentication. Provides ability to make authorized calls to protected REST API endpoints.
  • WP REST API Lock Down. Prevent any calls to the REST API unless authorized
  • Unlimited OAuth 2.0 Clients
  • Support for Implicit Flow
  • Built-In Resource Server
  • Automated Authorization Flow (User does not have to see authorization screen)
  • Easily Extend/ Modify the Endpoints
  • OAuth 2.0 PKCE
  • Modern and Legacy JWT authorization support. OAuth 2.0 JSON Web Token Support

Supported Grant Types

  • Authentication Code w/Implicit
  • User Credentials (Pro)
  • Client Credentials (Pro)
  • Refresh Token (Pro)
  • OpenID Connect (Pro)
  • OpenID Discovery
  • Public Clients (Pro)
  • Public Client Proof of Key Exchange (PKCE)

Supports

  • Connecting any Custom Mobile and Desktop Application to WordPress’s Backend.
  • Any software or web platform utilizing OAuth 2.0.
  • Allows RocketChat to use WordPress as a Backend.
  • Connects Moodle LMS and use WordPress users.
  • Alexa Skills Authentication
  • Tribe.so Community OAuth 2 SSO Support

How to Use

Visit https://wp-oauth.com/support/documentation/ for detailed documentation on installing, configuring and using
WordPress OAuth Server.

Licensing

WP OAuth Server is free to use. Please support the project by licensing. You can view more information at
https://wp-oauth.com.

Minimum Requirements

  • PHP 7.4 or greater (latest version recommended)
  • OpenSSL installed and enabled if you plan on using OpenID Connect

Other Information

  • NOTE: As of 3.0.0, there are no backward compatibility for any version older than 3.0.0
  • NOTE: Due to IIS’s inability play nice, WP OAuth Server may work but is very limited for Windows OS.

Support

Read the full description on the official page →

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