MailSlurp: Developer Email API Alternatives

MailSlurp: Developer Email API is described as 'Create email addresses on demand. Send and receive real emails and attachments from code. Rest API and developer kits available' and is an app in the development category. There are more than 10 alternatives to MailSlurp: Developer Email API for Web-based, SaaS and Self-Hosted. The best MailSlurp: Developer Email API alternative is Mailinator, which is free. Other great apps like MailSlurp: Developer Email API are Mailcatch.app, Mailtrap, Gigainbox.com and Mailosaur.

  • FreemiumProprietary
  • ...

Create email addresses on demand. Send and receive real emails and attachments from code. Rest API and developer kits...

More about MailSlurp: Developer Email API
MailSlurp: Developer Email API alternatives page was last updated Apr 25, 2025
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  1. Mailinator icon
     59 likes
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    Mailinator is a throwaway email service that lets you use the @mailinator.com email domain to receive email at no cost. The email is publicly accessible by anyone but it's also easily disposable. With this, you can signup for services to try them out and not have to worry...

    125 Mailinator alternatives

    License model

    • FreemiumProprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online

    Mailinator Features

    1.  No registration required
    2.  Email automation
    3.  Alternate domains
    4.  Distributed Computing

    Mailinator VS MailSlurp: Developer Email API

     
    • Mailinator is the most popular Web-based alternative to MailSlurp: Developer Email API.

    • Mailinator is the most popular free alternative to MailSlurp: Developer Email API.

    • Mailinator is Freemium and ProprietaryMailSlurp: Developer Email API is also Freemium and Proprietary
  2. Mailcatch.app icon
     3 likes
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    An email sandbox to inspect and debug emails in dev, staging, and QA environments before sending them to recipients in production.

    License model

    • FreemiumProprietary

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Online

    Mailcatch.app Features

    1.  Email testing

    Mailcatch.app VS MailSlurp: Developer Email API

     
  3. Mailtrap icon
     13 likes
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    Mailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.

    30 Mailtrap alternatives

    License model

    • FreemiumProprietary

    Application type

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Online

    Mailtrap Features

    1.  Email Verification
    2.  Email testing
    3.  REST API
    4.  Transactional Email
    5.  Email Forwarding
    6.  Email validation
    7.  Email tracking

    Mailtrap VS MailSlurp: Developer Email API

     
  4. Gigainbox.com icon
     3 likes
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    Protect your personal email address from spam with gigainbox.com - the disposable temporary email service that you love

    License model

    • FreeProprietary

    Application type

    Platforms

    • Online

    Gigainbox.com Features

    1.  No Video Ads

    Gigainbox.com VS MailSlurp: Developer Email API

     
  5. Mailosaur icon
     10 likes
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    Email Testing for QA & Development Teams. Catch every email your product sends, analyze it's contents, follow links and test deliverability all via the Mailosaur API.

    28 Mailosaur alternatives

    License model

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Online

    Mailosaur Features

    1.  Email testing
    2.  SMS API
    3.  SMTP Support
    4.  SMS testing
    5.  POP3 Support
    6.  Email automation

    Mailosaur VS MailSlurp: Developer Email API

     
    • Mailosaur is the most popular commercial alternative to MailSlurp: Developer Email API.

    • Mailosaur is Paid and ProprietaryMailSlurp: Developer Email API is Freemium and Proprietary
  6. DummySMTP icon
     3 likes
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    DummySMTP allows you to test the email functionality of your applications, without setting up multiple test email addresses and cluttering your inbox.

    License model

    • FreeProprietary

    Platforms

    • Software as a Service (SaaS)

    DummySMTP Features

    1.  Debugging

    DummySMTP VS MailSlurp: Developer Email API

     
    • DummySMTP is the most popular SaaS alternative to MailSlurp: Developer Email API.

    • DummySMTP is Free and ProprietaryMailSlurp: Developer Email API is Freemium and Proprietary
  7. MailMug.net icon
     2 likes
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    Capture SMTP traffic from staging and dev environments. Easily validate email content text or HTML/CSS. Utilize an Email Sandbox to thoroughly examine and troubleshoot emails within staging, development, and quality assurance (QA) environments prior to sending them to recipients...

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Online

    MailMug.net VS MailSlurp: Developer Email API

     
  8. Copy a direct link to this comment to your clipboard

    Ethereal is a fake SMTP service, mostly aimed at Nodemailer users (but not limited to). It's a completely free anti-transactional email service where messages never get delivered.

    26 Ethereal Email alternatives

    License model

    • FreeProprietary

    Application type

    Platforms

    • Online

    Ethereal Email Features

    1.  SMTP Support
    2.  IMAP Support
    3.  POP3 Support
    4.  Email testing

    Ethereal Email VS MailSlurp: Developer Email API

     
  9. testmail.app icon
     4 likes
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    QA tool for automating end-to-end email tests. Get unlimited private email addresses and inboxes for testing new user signups, transactional emails and drip campaigns, deliverability and spam scores, etc. Integrates with your CI/CD workflow. Includes spam testing.

    License model

    • FreemiumProprietary

    Platforms

    • Software as a Service (SaaS)

    testmail.app Features

    1.  GraphQL API
    2.  Software Testing Tool
    3.  Email testing
    4.  Custom Mailboxes

    testmail.app VS MailSlurp: Developer Email API

     
  10. Zyntra icon
     1 like
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    Zyntra is a disposable email platform for QA teams and test automation workflows.

    License model

    • FreemiumProprietary

    Country of Origin

    • UA flagUkraine

    Platforms

    • Online
    • Software as a Service (SaaS)

    Zyntra Features

    1.  QA Automation

    Zyntra VS MailSlurp: Developer Email API

     
  11. EmailVoid icon
     2 likes
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    EmailVoid is email message receive service that provides API to check that message reaches your expectation.

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Online

    EmailVoid Features

    1.  REST API
    2.  Custom Domain
    3.  Email tracking
    4.  Email Analytics
    5.  Free API
    6.  Email automation

    EmailVoid VS MailSlurp: Developer Email API

     
  12. Mail7 icon
     10 likes
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    Mail7 developed a first of its kind Email Workflow Testing tool for Software Developers and Testers. You can instantly create as many disposal emails as you want and set automation via our APIs.

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Software as a Service (SaaS)

    Mail7 Features

    1.  Private and Public Inbox
    2.  Public and Private Mailbox
    3.  Email testing
    4.  Email automation
    5.  Email api

    Mail7 VS MailSlurp: Developer Email API

     
12 of 20 MailSlurp: Developer Email API alternatives