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Best free SMS API plugins for WordPress

The most popular free SMS API plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Ultimatesmsapi SMS PLugin leads with 10+ active installs. All 1 plugins tagged “free sms api” 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 1 free SMS API plugins

  1. 1.
    Ultimatesmsapi SMS PLugin

    The most installed free SMS API plugin, with 10+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.4.2.

All 1 plugins tagged “free sms api”