Amazon SES alternatives
Providers that compete with Amazon SES on at least one of: Transactional
Cheapest at scale, most setup work.
Best AWS SES alternatives: a hand-picked, ranked list with rationale per position.
Switching as developers picking email infrastructure
The question here is which one a backend engineer would rather operate. That means SDK depth in the language already in use, whether a retry can safely be replayed, how much the event log tells you when a customer says the email never arrived, and whether the pricing curve stays sane as volume grows.
Amazon SES does not cover idempotency keys, operating track record, best published rate per 1,000, and webhook coverage. Resend, Postmark, and Loops close that gap. The order below weighs this audience's priorities first, so it differs from a general popularity ranking.
ranked for developers picking email infrastructure
- 01
Resend
TransactionalEmail API tightly coupled to React Email.
Adds idempotency keys and webhook coverage over Amazon SES, with nothing given up on these priorities.
3,000/mo permanent, capped at 100/day, one domain · $20/mo for 50,000 emails - 02
Postmark
TransactionalTransactional-only, fast and well-delivered.
Adds webhook coverage over Amazon SES, with nothing given up on these priorities.
100/mo developer plan · $15/mo for 10,000 emails - 03
Loops
Marketing TransactionalModern lifecycle and broadcast email for SaaS.
Adds webhook coverage over Amazon SES, with nothing given up on these priorities.
1,000 contacts and 4,000 sends/mo on the Free plan · $49/mo for 5,000 contacts - 04
Mailtrap
Transactional TestingOriginally a staging inbox, now a sender too.
Adds webhook coverage over Amazon SES, with nothing given up on these priorities.
4,000/mo (sending), free testing tier · $15/mo for 10,000 sending - 05
MailerSend
TransactionalModern transactional API with a clean UI.
Adds webhook coverage over Amazon SES, with nothing given up on these priorities.
500/mo permanent · $7/mo for 5,000 emails - 06
Mailgun
TransactionalDeveloper-leaning email infra, owned by Sinch.
Adds webhook coverage over Amazon SES, with nothing given up on these priorities.
100/day permanent free plan · $15/mo for 10,000 emails (Basic) - 07
Brevo
Transactional MarketingAll-in-one with a generous daily free tier.
Adds webhook coverage over Amazon SES, with nothing given up on these priorities.
300/day permanent · $9/mo for 5,000 emails - 08
Cloudflare Email Service
Inbound TransactionalFree routing, programmable inbound via Workers, sending in beta.
Matches Amazon SES on every priority weighed here, so the decision is price and preference.
Email Routing free; Email Workers on Workers Free plan · Sending: $0.35 per 1,000 messages (Workers Paid required, $5/mo)
Amazon SES and its alternatives, side by side
Columns are the priorities developers picking email infrastructure weigh, in order. Amazon SES is the first row so the trade in each direction is readable at a glance.
| Provider | DX score | SDKs | Idempotency keys | Operating since | Event stream | Best published rate per 1,000 | Webhooks |
|---|---|---|---|---|---|---|---|
| Amazon SES | 4/10 | node, python, go, ruby, php, java, rust, dotnet | No | 2011 | Yes | $0.10 | No |
| Resend | 8/10 | node, python, go, ruby, php, rust, java, elixir, cli | Yes | 2023 | Yes | $0.35 | Yes |
| Postmark | 9/10 | node, python, go, ruby, php, java, elixir, rust, dotnet | No | 2010 | Yes | $1.50 | Yes |
| Loops | 9/10 | node, python, go, ruby, php | No | 2022 | Yes | Tiers not published in comparable form | Yes |
| Mailtrap | 8/10 | node, python, go, ruby, php, elixir | No | 2014 | Yes | Tiers not published in comparable form | Yes |
| MailerSend | 8/10 | node, python, go, ruby, php | No | 2020 | Yes | Tiers not published in comparable form | Yes |
| Mailgun | 7/10 | node, python, go, ruby, php, java | No | 2010 | Yes | $0.70 | Yes |
| Brevo | 7/10 | node, python, go, ruby, php, java, dotnet | No | 2012 | Yes | Tiers not published in comparable form | Yes |
| Cloudflare Email Service | 8/10 | node | No | Not published | Yes | Tiers not published in comparable form | No |
Resend, Postmark, and Loops add capability without giving anything up on these priorities. The rest trade one thing for another.
before you switch
Amazon SES pricing, tier by tier
All 4 paid tiers with effective cost per 1,000 emails. Worth checking whether the cost curve, rather than the feature set, is what is prompting the switch.