Head to head
Postmark vs SendGrid
As a transactional email API, SendGrid rates higher on the APIbenchmarks Index, 85.6 to 84.2, a 1.4-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Postmark | SendGrid |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 84.2 | 85.6 |
Specifications
| Postmark | SendGrid | |
|---|---|---|
| Best for | Fast, high-deliverability transactional mail | Enterprise-scale email infrastructure |
| Free tier | 100 emails/mo (never expires) | 100 emails/day (after 60-day trial) |
| Pricing | Per monthly email volume | Per monthly email volume |
| Official SDKs | 12 languages | 8 languages |
Is Postmark better than SendGrid?
On the APIbenchmarks Index, SendGrid rates higher (85.6 vs 84.2). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.