Comparisons
Transactional email API comparison
Pricing and features change often. The table below shows how many emails each provider sends for $99 a month on its best published plan, using figures checked on September 26, 2026. Each comparison also notes where the competitor is the better choice.
| Provider | Emails for $99 a month | Message history |
|---|---|---|
| Amazon SES | 618,750 | Events published to other AWS services |
| Prontuno | 500,000 | 30 days |
| Cloudflare Email Service | 271,000 | Metrics and alerts in the Cloudflare dashboard |
| Resend | 171,000 | 30 days on Free, varies on paid plans |
| SendGrid | 171,000 | 3 days on Essentials, 7 days on Pro |
| Mailgun | 121,000 | 1 day on Basic, 5 days on Foundation, 30 days on Scale |
| Postmark | 79,000 | 45 days, with longer retention as an add-on |
Providers
Compare by provider
Read the head-to-head comparison, or see every alternative to a provider you already use, ranked side by side.
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Postmark
Best for
Teams that want inbound processing, stored templates, and transactional and broadcast mail in one account.
Emails for $99 79,000
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Resend
Best for
Developers who build email with React Email and want SDKs, inbound email, and marketing from one vendor.
Emails for $99 171,000
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SendGrid
Best for
Larger teams that want transactional and marketing email, validation, and subusers from one established vendor.
Emails for $99 171,000
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Mailgun
Best for
Teams that route inbound email and validate addresses, and want live support on higher plans.
Emails for $99 121,000
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Amazon SES
Best for
Teams already on AWS that want the lowest price per email and can build their own event handling.
Emails for $99 618,750
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Cloudflare Email Service
Best for
Apps already built on Cloudflare Workers with modest sending volume.
Emails for $99 271,000
Sending volumes use each provider’s best published plan for the budget, counted per recipient. Details checked September 26, 2026.
FAQ
Questions about comparing providers
- Which transactional email provider gives the most emails for the money?
- In this comparison, Amazon SES sends the most emails for $99 a month, but it requires more setup and you build your own event handling. Prontuno sends the most per dollar among the providers that include event logs and a managed dashboard.
- How often are prices checked?
- The figures on this page were checked on September 26, 2026. Check the provider’s pricing page for current rates.
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