
Mailtrap
Mailosaur
Mailinator
MailHog
Litmus
MailCatcher
Mailcatch.app
Email and SMS tools for applications, campaign quality, deliverability and automation.

Beeceptor
Webhook.site
Request inspector
Mockoon
HttpMaster
Hoppscotch
API Fortress
Easy mocking of any system you integrate with via HTTP or HTTPS.

Which is more popular?
Based on our record, MockServer seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mailslurp.com | mock-server.com |
| Pricing | ||
| Platforms | — | |
| Company | 2017 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


MailSlurp helps developers, QA engineers and email teams test applications, check campaigns and automate incoming messages. Create email addresses and phone numbers with Email API and Phone & SMS. Use custom domains and connected mailboxes, validate email addresses and contact information,...
No description of MockServer yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of MailSlurp yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing MailSlurp and MockServer.
MailSlurp's answer
Test functions for true integration testing and messaging automation
MailSlurp's answer
MailSlurp is the most comprehensive email and SMS automation platform
Share your experience with using MailSlurp and MockServer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


MailSlurper is a free Libre mail server and SMTP webmail client created by Adam Presley.
We have no reviews of MockServer yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking MailSlurp since Mar 2021.
There are several strategies to solve this kind of challenge, but today we will see MockServer as a tool to resolve it. - Source: dev.to / about 2 years ago
The open-source examples are mockoon, mock-server.com, etc. Source: over 3 years ago
I've just found out MockServer and it looks awesome 🤩 so I wanted to check it out repeating the steps of my previous demo WireMock Testing which (as you can expect) uses WireMock, another fantastic tool to mock APIs. - Source: dev.to / over 4 years ago
When comparing MailSlurp and MockServer, you can also consider the following products.

Modern email delivery platform for developers and product teams
Compare Mailtrap to MailSlurp or MockServer:

Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
Compare Beeceptor to MailSlurp or MockServer:


Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
Compare Webhook.site to MailSlurp or MockServer:


Debug web hooks, http clients
Compare Request inspector to MailSlurp or MockServer: