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Mailgun for WordPress vs Kill JSON REST API (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
Kill JSON REST API

Kill JSON REST API

0(0)

20 active installs

Free

Updated 9 years ago
View Kill JSON REST API

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 20). Both are free WordPress plugins. Mailgun for WordPress has accumulated 2.6M+ total downloads while Kill JSON REST API has 2.8K+.

Detailed Comparison

Rating
3.8/5Mailgun for WordPress
◄
Kill JSON REST APIN/A
Total Reviews
48Mailgun for WordPress
◄
Kill JSON REST API0
Active Installs
80K+Mailgun for WordPress
◄
Kill JSON REST API20
Total Downloads
2.6M+Mailgun for WordPress
◄
Kill JSON REST API2.8K+
Support Resolution
0%Mailgun for WordPress
Kill JSON REST APIN/A
Last Updated
2 months agoMailgun for WordPress
◄
Kill JSON REST API9 years ago
First Released
2012Mailgun for WordPress
Kill JSON REST API2017
Age
14 yearsMailgun for WordPress
Kill JSON REST API9 years
WP Requires
5.6+Mailgun for WordPress
Kill JSON REST API4.7+
PHP Requires
7.4+Mailgun for WordPress
Kill JSON REST APIfalse+
Business Model
FreeMailgun for WordPress
Kill JSON REST APIFree
Latest Version
2.1.10Mailgun for WordPress
Kill JSON REST API1.1.0

Rating Breakdown

Mailgun for WordPress

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

Kill JSON REST API

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

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

Kill JSON REST API Reviews

No reviews yet

Frequently Asked Questions

Is Mailgun for WordPress or Kill JSON REST API more popular?
Mailgun for WordPress has 80K+ active installations while Kill JSON REST API has 20. Mailgun for WordPress is the more widely-used plugin as of April 2026.
Which has better ratings — Mailgun for WordPress or Kill JSON REST API?
Mailgun for WordPress has a 3.8/5 rating from 48 reviews, while Kill JSON REST API has a 0/5 rating from 0 reviews.
Are Mailgun for WordPress and Kill JSON REST API free?
Mailgun for WordPress is free and Kill JSON REST API is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Mailgun for WordPress or Kill JSON REST API?
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 Kill JSON REST API was last updated 9 years ago.

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