Alternatives to MailerSend
Transactional email API and SMTP relay from the team behind MailerLite, with inbound routi
MailerSend ranks #2 of 12 in Transactional email APIs, with an Alt Score of 100. It is proprietary, freemium from $7/mo and available on Web and iOS. 12 of 12 checklist rows are verified against a public source.
MailerSend is a developer-focused transactional email service offering REST API and SMTP relay, dynamic templates, inbound email routing, domain management, and built-in analytics. It positions itself as a cheaper, more generous-free-tier alternative to Postmark and SendGrid, and also supports transactional SMS.
Developers, SaaS platforms, e-commerce businesses and agencies that need to send transactional email (and transactional SMS in the US/Canada) programmatically, ranging from solo/hobby projects on the free tier to teams managing multiple client domains.
A REST API and SMTP relay for sending transactional messages, with 7 official SDKs, a drag-and-drop and HTML template builder, inbound email routing, webhooks for delivery/open/click/bounce events, suppression list management, DMARC and blocklist monitoring, bulk email verification, and a web dashboard with analytics and API/SMTP logs. Dedicated IPs and an iOS companion app are also available.
Applications send messages by calling MailerSend's REST API or its SMTP relay (directly or through an official SDK); MailerSend delivers the message from EU-hosted infrastructure, tracks delivery events such as opens, clicks and bounces, and surfaces them in the account dashboard or pushes them to the customer's own systems in real time via webhooks.
Why people leave MailerSend
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Ranked alternatives
Ordered by Alt Score. Click any score to see the breakdown.
Elastic Email is a long-running email delivery service offering a REST API and SMTP relay for transactional sending, along with drag-and-drop templates, suppression list management, and delivery/engag.
Mailgun (by Sinch) is a developer-focused email sending platform with a REST API and SMTP, inbound routing and parsing, templates, deliverability tooling, dedicated IPs, webhooks, and detailed logs an.
Amazon SES (Simple Email Service) is a scalable, pay-as-you-go email sending service from AWS, offering an API and SMTP interface, deliverability and reputation tooling, suppression handling, dedicate.
Mailtrap is a transactional email sending and testing platform used by product and dev teams to send app-triggered emails via REST API or SMTP, plus a sandbox for previewing emails before they hit pro.
Resend is a developer-first transactional email platform offering a clean REST API and SMTP, React-based email templates, webhooks, deliverability tooling, and analytics for sending product and notifi.
SMTP2GO provides SMTP relay and a REST API for sending transactional and bulk email, routed through multiple global data centers for redundancy.
SendGrid (a Twilio company) is an email delivery platform for both transactional and marketing email, offering a REST API and SMTP relay, templates, deliverability and validation tooling, dedicated IP.
ZeptoMail is Zoho's purpose-built transactional email service, separate from its marketing tools, offering a REST API and SMTP relay for app-triggered emails such as receipts and password resets.
Postmark is a transactional email service focused on speed and deliverability, providing a REST API and SMTP relay, templates, inbound parsing, webhooks, detailed message logs, and separate transactio.
useSend is an open-source transactional email platform offering a REST API, SMTP relay, campaign/template management, and analytics, deployable self-hosted or via managed cloud.
Feature comparison
Rows come from the Transactional email APIs checklist (16 rows). Human-verified cells only. ? means the value has not been verified.
| Transactional email APIs checklist | MailerSend | Elastic Email | Mailgun | Amazon SES | Mailtrap | Resend |
|---|---|---|---|---|---|---|
| Pricing model | ||||||
| Starts at | ||||||
| License | ||||||
| Platforms | ||||||
| REST API | ||||||
| SMTP relay | ||||||
| Deliverability tooling | ||||||
| Templates | ||||||
| Inbound email parsing | ||||||
| Webhooks / events | ||||||
| Suppression & bounce handling | ||||||
| Dedicated IPs | ||||||
| Analytics / logs | ||||||
| SDKs | ||||||
| EU data residency | ||||||
| Free tier volume |
Every fact and feature listed for MailerSend is verified against its own pages. Each alternative is sourced on its own page.
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Pricing model Freemium verified 2026-07-30
Distinct from the separate short trial (100 emails/month to 2 recipients). The Free plan itself is permanent, capped at 500 emails/month per the pricing FAQ, alongside paid Hobby/Starter/Professional/
Free forever
https://www.mailersend.com/pricing.md -
Starts at $7/mo verified 2026-07-30
Cheapest paid tier is Hobby, flat-rate, monthly billing. Starter starts at $35/mo and Professional at $110/mo and both scale with volume; annual billing saves 10%. USD is the true billing currency — t
Price: $7/month (flat rate)
https://www.mailersend.com/pricing.md -
Status active verified 2026-07-30
Most recent changelog entry dated Jun 30, 2026 (research date 2026-07-30); prior entries from Mar 2026, Feb 2026 and Dec 2025 show a steady release cadence.
You can now translate your templates into 9 languages directly in MailerSend.
https://www.mailersend.com/whats-new -
License Proprietary verified 2026-07-30
Core hosted platform is closed-source/proprietary. Individual client SDKs (e.g. mailersend-nodejs on GitHub) are separately MIT-licensed per their own LICENSE files; that does not cover the service it
You acknowledge that MailerSend owns all right, title, and interest in and to the Service, including without limitation all intellectual property rights
https://www.mailersend.com/legal/terms-of-use -
Platforms Web, iOS verified 2026-07-30
Web dashboard confirmed separately via https://www.mailersend.com/features/email-analytics ('Intuitive dashboard that makes it easy to find the right data'). No Android, desktop or browser-extension a
Download the MailerSend iOS app from the App Store. Works with a MailerSend account—sign up for free and get 500 emails/month.
https://www.mailersend.com/features/ios-app -
REST API Yes verified 2026-07-30
Transactional email API with 7 official SDKs
https://www.mailersend.com/features/email-api -
SMTP relay Yes verified 2026-07-30
Fast, secure, reliable SMTP Relay Service
https://www.mailersend.com/features/smtp-relay -
Deliverability tooling Yes verified 2026-07-30
Confirmed in more depth on the dedicated /features/blocklist-monitoring and /features/dmarc-monitoring pages.
Protect your sender reputation end to end: Monitor blocklists, track domain activity with DMARC reporting, and verify email addresses without extra tools.
https://www.mailersend.com/features/email-api -
Templates Yes verified 2026-07-30
Build once, personalize infinitely
https://www.mailersend.com/features/dynamic-email-templates -
Inbound email parsing Yes verified 2026-07-30
Inbound emails are received by MailerSend, parsed to remove unnecessary content, and forwarded by webhook as a JSON payload to your endpoint or email address.
https://www.mailersend.com/features/inbound-emails -
Webhooks / events Yes verified 2026-07-30
Create your custom analytics dashboard and set up triggered workflows based on any event type of your choice. Be notified of successful delivery, clicks, spam complaints, and more.
https://www.mailersend.com/features/webhooks -
Suppression & bounce handling Yes verified 2026-07-30
Removing hard bounces, spam complaints and unsubscribes protects your sender reputation and ensures you reach more inboxes.
https://www.mailersend.com/features/suppression-list-management -
Dedicated IPs Yes verified 2026-07-30
Restricted: available on Starter plan and above, and you generally qualify once sending ~500,000 emails/month (or can request one on Starter+).
Transactional email dedicated IPs are available for Starter and above plans and include our expert monitoring.
https://www.mailersend.com/features/dedicated-ip-email -
Analytics / logs Yes verified 2026-07-30
Separate detailed API/SMTP logs also confirmed on https://www.mailersend.com/features/logs ('Detailed API & SMTP logs').
Real-time analytics tools keep track of email open rates, bounce rates and click-through rates, so you can quickly gauge email performance and make adjustments.
https://www.mailersend.com/features/email-analytics -
SDKs Yes verified 2026-07-30
Individual SDK pages found for Node.js, PHP, Python, Go, Java and Laravel.
Transactional email API with 7 official SDKs
https://www.mailersend.com/features/email-api -
EU data residency Yes verified 2026-07-30
Our services are hosted by a trusted and certified data storage center that is located in the European Union.
https://www.mailersend.com/legal/security-statement -
Free tier volume Yes verified 2026-07-30
Free plan volume is 500 emails/month, permanent (not the separate 100-email/2-recipient trial). Also capped at 1 user seat + 1 accountant, 1 domain, 1 template, 1-day activity retention, 100 daily API
This plan lets you send up to 500 emails per month for free!
https://www.mailersend.com/pricing.md
FAQ
Yes. Elastic Email, Mailgun and Mailtrap have a free tier or are fully free. Free-tier limits in the comparison table are verified and dated.
useSend and Postal — every license claim links its source.