Head to head
Amazon SES vs Postmark
As a transactional email API, Postmark rates higher on the APIbenchmarks Index, 84.2 to 78.4, a 5.8-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Amazon SES | Postmark |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 78.4 | 84.2 |
Specifications
| Amazon SES | Postmark | |
|---|---|---|
| Best for | Lowest-cost email at massive scale | Fast, high-deliverability transactional mail |
| Free tier | 3,000 messages/mo (first 12 mo) | 100 emails/mo (never expires) |
| Pricing | Pay-as-you-go per 1k emails | Per monthly email volume |
| Official SDKs | 12 languages | 12 languages |
Is Amazon SES better than Postmark?
On the APIbenchmarks Index, Postmark rates higher (84.2 vs 78.4). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.