Head-to-head · Email APIs
Amazon SES vs OpenSend
Amazon SES leads on 1 check, OpenSend on 1, and 4 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreAmazon SES · 8.3/10
- Free planonly OpenSend
- Most featuresAmazon SES · 5 of 5
Amazon SES scores higher on our rubric for email apis: 8.3 against 6.8 out of 10; our editors rank them #8 and #19.
OpenSend offers free plan; Amazon SES doesn't. Amazon SES offers smtp relay; OpenSend doesn't.
Amazon SES is the better fit for AWS users sending high-volume email cheaply. OpenSend is the better fit for open-source teams wanting a modern email stack.
- Amazon SES fits best
AWS users sending high-volume email cheaply
- OpenSend fits best
Open-source teams wanting a modern email stack
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Side by side
| Feature | Amazon SES 8.3/10 Visit ↗ | OpenSend 6.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.3 | 6.8 |
| Ranking | #8 in Email APIs | #19 in Email APIs |
| Best for | AWS users sending high-volume email cheaply | Open-source teams wanting a modern email stack |
| Pricing model | Paid | Free plan + paid |
| Starting price | $0.10/unit usage-based | $10/mo |
| Free plan | — | ✓ (best) |
| Free trial | — | — |
| Deployment | Cloud | Cloud, Self-hosted |
| Platforms | Web | Web |
| Integrations | 7 integrations | 8 integrations |
| Features Amazon SES 5/5 · OpenSend 4/5 | ||
| Inbound email | ✓ | ✓ |
| Delivery event webhooks | ✓ | ✓ |
| SMTP relay | ✓ (best) | — |
| Email templates | ✓ | ✓ |
| Dedicated IP option | ✓ | ✓ |
| Specs | ||
| Monthly send limit | Not checked yet | 15000 /mo |
| Our review | ||
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| Our verdict | Amazon SES is a cloud email service for applications that need to send transactional messages, marketing email, newsletters, or other application-generated mail. Developers can send through the SES API, AWS SDKs, SMTP interface, console,… Read the review → |
OpenSend is email infrastructure for developers and teams managing transactional email, broadcasts, contacts, templates, automations, inbound messages, and delivery events. It supports web access, an API, and self-hosted deployment. Its… Read the review → |
Strengths and trade-offs
Amazon SES — where it wins
- Usage-based outbound pricing starts at $0.10 per 1,000 emails
- Supports inbound receiving, SMTP, templates, and email event publishing
- Integrates with SNS, S3, Lambda, CloudWatch, and AWS SDKs
Where it doesn't
- No permanent free plan
- Some features and pricing depend on the selected monthly plan
- Inbound receiving is region-dependent
OpenSend — where it wins
- Self-hosting with Docker Compose, AWS SES, and Postgres
- Resend-compatible REST API with TypeScript SDK and React Email support
- Webhooks, inbound routes, automations, templates, and domain authentication
Where it doesn't
- SMTP relay is not supplied
- Self-hosting requires AWS SES and Postgres
- The Free plan allows 500 API and broadcast emails monthly
- Amazon SES8.3/10 · Paid
A low-cost AWS email API for high-volume transactional and marketing sending.
Visit Amazon SESFull verdict → - OpenSend6.8/10 · Free plan
A flexible email stack for developers, with self-hosting and a Resend-compatible API.
Visit OpenSendFull verdict →
More comparisons
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- Netcore Email API vs Amazon SES
All email APIs comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






