Mailgun for WordPress vs Niki API Client (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Mailgun for WordPress has a higher user rating (3.8/5 from 48 reviews) and leads in active installations (80K+ vs 0). Both are free WordPress plugins. Mailgun for WordPress has accumulated 2.6M+ total downloads while Niki API Client has 1.1K+.
Detailed Comparison
| Metric | Mailgun for WordPress | Niki API Client | |
|---|---|---|---|
| Rating | 3.8/5 | ◄ | N/A |
| Total Reviews | 48 | ◄ | 0 |
| Active Installs | 80K+ | ◄ | 0 |
| Total Downloads | 2.6M+ | ◄ | 1.1K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 2 months ago | ◄ | 7 years ago |
| First Released | 2012 | 2019 | |
| Age | 14 years | 7 years | |
| WP Requires | 5.6+ | 3.0.1+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 2.1.10 | 0.3.1 |
Rating Breakdown
Mailgun for WordPress
Niki API Client
Download Trends
Recent Reviews
Mailgun for WordPress Reviews
Simple, Reliable, and Honest
I’ve seen the negative reviews, but honestly my experience has been the opposite: the plugin just works, exactly as it should. Updates are rare, but that’s simply because the plugin is straightforward
Better than ever
I’ve been using this plugin for 5+ years now, and I’ve hardly ever experienced an issue. It allows me to easily use Mailgun to send emails on the WordPress sites I manage, and it’s always done its job
Sends email from WordPress via Mailgun service, that’s all, does it well.
Mailgun is an email delivery service aimed at sending transactional email for software developers. If you are not already using Mailgun to send email, then you don’t need or want this plugin. If you d
Niki API Client Reviews
No reviews yet
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.