Platforms
- Online
- Software as a Service (SaaS)
Ukraine
+3
MailSlurp: Developer Email API Alternatives
Apps similar to MailSlurp: Developer Email API include Mailinator, which has a free version. Other options are MailGrab, OpenMail, Mailcatch.app and Gigainbox.com. Disposable Email Services like MailSlurp: Developer Email API are a crowded field, with more than 25 alternatives for the web and self-hosting.
Alternatives list
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.
Platforms
- Software as a Service (SaaS)
DevMail is an email sandbox service for software developers. It allows developers to capture emails from various environments and inspect HTML, text, source code, raw headers, and attachments, and improve deliverability by analyzing email spam scores.
Platforms
- Online
United Kingdom
Mailsnag lets you build resilient SMTP integrations while protecting you from spamming customers during testing on QA and Staging environments. It is like Chaos Monkey for SMTP integrations.
Platforms
- Online
United States
+1
SendLint is an autonomous QA agent that runs the full QA cycle for email campaigns against each client's own standards.
Platforms
- Online
Canada
+3
Maily is an open-source, high-performance temporary email gateway and management platform designed to tame the disposable email zoo (Mail.tm, TempMail Plus, Temp-Mail.io, 1secmail alternatives, and more) under a single normalized REST API, async Python SDK, and dark-mode web...
Cost / License
- Free
- Open Source (MIT)
Since
- New
Platforms
- Self-Hosted
- Docker
+3
17 Pidgeon AI alternativesEU-hosted email service that provisions an inbox for every AI agent through an API. Agents can send, receive and reply in persistent threads, process attachments and OTP codes, and pass conversations to people. Includes webhooks, MCP, SDKs, IMAP/SMTP and scoped keys.
Platforms
- Online
- Software as a Service (SaaS)
Estonia
EU
+3
Disposable email inboxes via API for testing signup and authentication flows, with automatic extraction of one-time passwords and magic links.
Platforms
- Online
- Software as a Service (SaaS)
Sunnybox is a fully featured hosted service for handling your email accounts. Fetch, send and analyze your emails through a single, robust API. Easy email processing for developers.
Cost / License
- Paid
- Proprietary
Since
- Since 2023
Platforms
- Online
Germany- EU
Sendpit is a hosted email testing sandbox designed for developers and QA teams. It allows applications to send emails to a safe inbox where messages can be inspected, debugged, and tested without being delivered to real users.
Cost / License
- Freemium
- Proprietary
Since
- Since 2026
Platforms
- Online
- Software as a Service (SaaS)
India
Poistaa is a free service that allows automatically discarding your emails for instant. Emails will be received and deleted automatically.
Cost / License
- Free
- Proprietary
Since
- Since 2020
Platforms
- Online
France
