A simple plugin to add API key-based authentication to the WordPress REST API. Manage multiple API keys and secure your REST API endpoints.
As of April 2026, WP REST API Key Authentication is a WordPress API key plugin with 20 active installations and a 0/5 rating0. It has been downloaded 996 times in total. Requires WordPress 5.0+ and PHP 7.2+. Available on WordPress.org since 2025. Last updated 1 year ago — may have compatibility concerns. Top alternative: JWT Authentication for WP REST APIs.
WP REST API Key Authentication adds a simple API key-based authentication method to the WordPress REST API. This plugin is perfect for developers who want to interact with the REST API securely without relying on complex OAuth authentication mechanisms.
Authorization header.The plugin is lightweight and integrates seam…
| WordPress | 5.0+ requiredTested up to 6.7.5 |
| PHP | 7.2+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.