Mailgun vs Postmark

The email API that actually works, because who has time to debug SMTP? meets the reliable workhorse for transactional emails—no fluff, just emails that actually land in inboxes. Here's our take.

Mailgun

Nice Pick

The email API that actually works, because who has time to debug SMTP?

Pros

• Reliable deliverability with built-in spam and bounce handling
• Easy-to-use REST API for quick integration
• Detailed analytics and logging for tracking email performance

Cons

• Pricing can spike with high-volume sends
• Limited free tier compared to some competitors

Postmark

The reliable workhorse for transactional emails—no fluff, just emails that actually land in inboxes.

Pros

• Great deliverability
• Fast
• Mature
• Good templates
• Exceptional deliverability with dedicated IPs and spam avoidance
• Detailed analytics and real-time webhooks for tracking
• Simple, clean API that developers love
• Fast and reliable for time-sensitive emails like password resets

Cons

• Transactional only
• Less flexible
• Older API
• Pricing can be steep for high-volume senders
• Limited marketing email features compared to all-in-one platforms

The Verdict

Use Mailgun if: You want reliable deliverability with built-in spam and bounce handling and can live with pricing can spike with high-volume sends.

Use Postmark if: You prioritize great deliverability over what Mailgun offers.

The Bottom Line

Mailgun wins

The email API that actually works, because who has time to debug SMTP?