SendGrid (Twilio) vs Postmark
Compare SendGrid vs Postmark for transactional email. Deliverability, pricing, features, and our verdict for developers.
Quick Verdict
Choose Postmark for best-in-class deliverability and speed. Choose SendGrid for more features, larger scale, and marketing email capabilities. Postmark for quality, SendGrid for versatility.
Feature Comparison
| Feature | SendGrid (Twilio) | Postmark |
|---|---|---|
| Free Tier | 100/day | None |
| Starting Price | $20/mo | $15/mo |
| Deliverability | Excellent | Best |
| Speed | Fast | Very fast |
| Marketing Email | Yes | No |
| Template Engine | Yes | Yes |
| Inbound Parsing | Yes | Yes |
| Best For | Versatility, scale | Deliverability, speed |
Deliverability & Speed
Postmark is known for industry-leading deliverability and very fast delivery times. If your emails must arrive instantly and reliably, Postmark is the choice.
SendGrid also has excellent deliverability but Postmark maintains a slight edge. For critical transactional emails, Postmark provides peace of mind.
Features & Scale
SendGrid offers more features including marketing email, A/B testing, and advanced analytics. It's a full email platform that handles both transactional and marketing.
Postmark focuses exclusively on transactional email. Fewer features but does one thing exceptionally well. Choose based on your needs.
Best For
**Choose Postmark for:** Best deliverability, fastest delivery, transactional-only needs, quality over quantity.
**Choose SendGrid for:** Both transactional and marketing email, larger scale, more features, established platform.
Frequently Asked Questions
Which has better deliverability?
Postmark has slightly better deliverability rates. They focus exclusively on transactional email and maintain exceptional sender reputation. Both are excellent, but Postmark edges ahead.
Is SendGrid free?
SendGrid offers a free tier with 100 emails per day forever. Postmark has no free tier but offers a trial. For testing and small apps, SendGrid's free tier is valuable.
Can I send marketing email with both?
SendGrid supports both transactional and marketing email. Postmark is transactional-only. If you need both, SendGrid is the choice.