Mailgun for WordPress vs Custom API for WP (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
Custom API for WP

Custom API for WP

4.8(44)

1.0K+ active installs

Free

Updated 3 months ago
View Custom API for WP

Quick Verdict

As of April 2026, Custom API for WP has a higher user rating (4.8/5 from 44 reviews) while Mailgun for WordPress leads in active installations (80K+ vs 1.0K+). Both are free WordPress plugins. Mailgun for WordPress has accumulated 2.6M+ total downloads while Custom API for WP has 62K+.

Detailed Comparison

Rating
3.8/5Mailgun for WordPress
Custom API for WP4.8/5
Total Reviews
48Mailgun for WordPress
Custom API for WP44
Active Installs
80K+Mailgun for WordPress
Custom API for WP1.0K+
Total Downloads
2.6M+Mailgun for WordPress
Custom API for WP62K+
Support Resolution
0%Mailgun for WordPress
Custom API for WPN/A
Last Updated
2 months agoMailgun for WordPress
Custom API for WP3 months ago
First Released
2012Mailgun for WordPress
Custom API for WP2020
Age
14 yearsMailgun for WordPress
Custom API for WP6 years
WP Requires
5.6+Mailgun for WordPress
Custom API for WP3.0.1+
PHP Requires
7.4+Mailgun for WordPress
Custom API for WP5.4+
Business Model
FreeMailgun for WordPress
Custom API for WPFree
Latest Version
2.1.10Mailgun for WordPress
Custom API for WP4.5.0

Rating Breakdown

Mailgun for WordPress

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

Custom API for WP

4.8/5(44 reviews)
5
95%
4
0%
3
0%
2
0%
1
5%

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

Custom API for WP Reviews

by egalland

An excellent API and excellent support

I have the free version of miniOrange Custom API installed on my site since I only require a specific API, and it’s more than enough for my needs. After an update, the API I was using stopped working,

by eugenb_44b5h7e

Great Plugin and Support

API importer it is a bit on the expensive side but will save you hundreds of hours of importing products to your website. So it is balancing out. Customer service and help is excellent. If you have to

by garmentdecor

Miniorange is the best product API importer

I’m happy to say that Mini Orange exceeded all my expectations, and their customer service, especially from Swapnil, has been the best I’ve ever experienced.While searching for a reliable plugin to im

Frequently Asked Questions

Is Mailgun for WordPress or Custom API for WP more popular?
Mailgun for WordPress has 80K+ active installations while Custom API for WP has 1.0K+. Mailgun for WordPress is the more widely-used plugin as of April 2026.
Which has better ratings — Mailgun for WordPress or Custom API for WP?
Mailgun for WordPress has a 3.8/5 rating from 48 reviews, while Custom API for WP has a 4.8/5 rating from 44 reviews.
Are Mailgun for WordPress and Custom API for WP free?
Mailgun for WordPress is free and Custom API for WP is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Mailgun for WordPress or Custom API for WP?
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 Custom API for WP was last updated 3 months ago.

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