Mailgun for WordPress vs WP OpenAPI (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Mailgun for WordPress

Mailgun for WordPress

3.8(48)

80K+ active installs

Free

Updated 2 months ago
View Mailgun for WordPress
VS
WP OpenAPI

WP OpenAPI

4(5)

400 active installs

Free

Updated 4 months ago
View WP OpenAPI

Quick Verdict

As of April 2026, WP OpenAPI has a higher user rating (4/5 from 5 reviews) while Mailgun for WordPress leads in active installations (80K+ vs 400). Both are free WordPress plugins. Mailgun for WordPress has accumulated 2.6M+ total downloads while WP OpenAPI has 21K+.

Detailed Comparison

Rating
3.8/5Mailgun for WordPress
WP OpenAPI4/5
Total Reviews
48Mailgun for WordPress
WP OpenAPI5
Active Installs
80K+Mailgun for WordPress
WP OpenAPI400
Total Downloads
2.6M+Mailgun for WordPress
WP OpenAPI21K+
Support Resolution
0%Mailgun for WordPress
WP OpenAPIN/A
Last Updated
2 months agoMailgun for WordPress
WP OpenAPI4 months ago
First Released
2012Mailgun for WordPress
WP OpenAPI2022
Age
14 yearsMailgun for WordPress
WP OpenAPI4 years
WP Requires
5.6+Mailgun for WordPress
WP OpenAPI5.8+
PHP Requires
7.4+Mailgun for WordPress
WP OpenAPI7.1+
Business Model
FreeMailgun for WordPress
WP OpenAPIFree
Latest Version
2.1.10Mailgun for WordPress
WP OpenAPI1.0.27

Rating Breakdown

Mailgun for WordPress

3.8/5(48 reviews)
5
58%
4
8%
3
4%
2
8%
1
21%

WP OpenAPI

4/5(5 reviews)
5
60%
4
20%
3
0%
2
0%
1
20%

Recent Reviews

Mailgun for WordPress Reviews

by Jordy Meow

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

by dear.leader

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

by nccer

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

WP OpenAPI Reviews

No reviews yet

Frequently Asked Questions

Is Mailgun for WordPress or WP OpenAPI more popular?
Mailgun for WordPress has 80K+ active installations while WP OpenAPI has 400. Mailgun for WordPress is the more widely-used plugin as of April 2026.
Which has better ratings — Mailgun for WordPress or WP OpenAPI?
Mailgun for WordPress has a 3.8/5 rating from 48 reviews, while WP OpenAPI has a 4/5 rating from 5 reviews.
Are Mailgun for WordPress and WP OpenAPI free?
Mailgun for WordPress is free and WP OpenAPI is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Mailgun for WordPress or WP OpenAPI?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Mailgun for WordPress was last updated 2 months ago and WP OpenAPI was last updated 4 months ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.