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Best API key plugins for WordPress

The most popular API key plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. JWT Authentication for WP REST APIs leads with 10K+ active installs, ahead of PKL WPz REST API Authentication (20+) and WP REST API Key Authentication (10+). All 4 plugins tagged “API key” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 4 API key plugins

  1. 1.
    JWT Authentication for WP REST APIs

    The most installed API key plugin, with 10K+ active installs. Rated 4.4 from 75 reviews, updated 4 weeks ago.

  2. 2.
    PKL WPz REST API Authentication

    20+ active installs. No reviews yet, updated 1 month ago.

  3. 3.
    WP REST API Key Authentication

    10+ active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.7.11.

  4. 4.
    DRSite

    Fewer than 10 active installs. No reviews yet, updated 2 weeks ago.

All 4 plugins tagged “API key”