Postmark
Postmark ensures fast delivery of transactional emails for developers. Robust API integration and responsive support included. 130-155 characters.
Preview only — not yet published. Postmark goes live on June 10, 2026.
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Upgrade listingPostmark is a transactional email delivery service designed for developers. It guarantees exceptional speed and reliability, with emails reaching inboxes in under a second. With API integrations for various languages, Postmark easily fits into your existing stack, offering an ideal solution for those seeking optimal deliverability.
Pros & Cons
What we love
- Deliverability in under a second, tested with Mailgun
- Robust API compatible with multiple languages
- Separation of transactional and promotional emails
- Responsive customer support included at no extra cost
- Easy migration from SendGrid with dedicated guides
What could be better
- No free plan available for small teams
- Pricing not directly displayed on the site
- Dependence on the ActiveCampaign ecosystem
Key features of Postmark
Ultra-fast delivery
Emails reach the inbox in under a second
Multi-language API
Easy integration with Ruby, PHP, .NET, and more
Email separation
Distinct infrastructure for transactional and promotional emails
Included customer support
Quick assistance at no additional cost
Who is Postmark for?
Best for
- Developers integrating transactional emails
- Tech startups needing fast deliverability
- SMEs seeking an alternative to SendGrid
Not recommended for
- Businesses requiring data hosting in the EU
Frequently asked questions about Postmark
Does Postmark offer a free plan?▼
No, Postmark does not offer a free plan at this time.
How does Postmark manage email deliverability?▼
Postmark uses separate infrastructure for transactional and promotional emails to ensure optimal deliverability.
What languages are supported by Postmark's API?▼
Postmark's API supports Ruby, PHP, .NET, Node.js, and many others.
Is Postmark GDPR compliant?▼
Postmark is not explicitly GDPR compliant as it is hosted in the United States.
Sponsored
Tech sheet
Platforms
Web
Integrations
ActiveCampaignRubyPHP.NETNode.js
Support
Email, Documentation, Base de connaissances
Data hosting
États-Unis
GDPR Compliance
Not GDPR certified
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