Is there a Resend alternative that sends from Europe?

Yes. Smartletter sends your emails through Amazon SES in Paris (eu-west-3). Its API follows Resend's. Resend can also send from eu-west-1, but keeps account data, logs and metadata in the US.

Does the Resend SDK work with Smartletter?

Yes. You keep the official SDK. You change RESEND_BASE_URL and RESEND_API_KEY. Compatibility is tested against the official SDK.

What can't Smartletter do yet compared to Resend?

Attachments, batch sending, scheduling, webhooks, templates and inbound email. If you need them, stay on Resend.

How much does Smartletter cost for transactional email?

API sending needs your own domain. It comes with the Pro plan: €49/month excl. VAT for 50,000 emails. Past that, it's €1 per 1,000 emails.

Where can I see Smartletter's deliverability?

On the public page smartletter.ai/en/deliverability. The platform's numbers are updated live there.

All comparisons

Resend alternative: Smartletter, the compatible API that sends from Paris

Smartletter is a Resend alternative for developers who want to send their emails from Europe. Your emails go out through Amazon SES in Paris (eu-west-3), and you keep the official Resend SDK by changing 2 environment variables. The limit: no attachments, batch sending, scheduling, webhooks, templates or inbound email yet.

You picked Resend's European region. Your emails do go out from eu-west-1. But your account data, logs and metadata stay in the US. Resend's own docs say so.

Criteria	Smartletter	Resend
Entry price	€0 (Free). API sending from €49/month excl. VAT (Pro), because you need your own domain.	$0 (Free). Pro at $20/month. Scale from $90/month.
Free plan	500 subscribers and 2,500 emails/month. Sent from @mail.smartletter.ai, with no domain of your own, so no API sending.	3,000 emails/month, 100 per day.
Quotas	Pro: 50,000 emails/month. Scale: 200,000 emails/month. Past that: €1 per 1,000 emails.	Pro: 50,000 emails/month. Past that: $0.90 per 1,000 emails.
Where emails are sent, where data lives	Sent through Amazon SES in Paris (eu-west-3).	Sending possible from eu-west-1. Account data, logs and metadata stay in the US.
Key features	POST and GET /emails, domains, API keys. Plus: newsletters with AI writing and an MCP server.	Attachments, batch sending, scheduling, webhooks, templates, inbound email.
Commission on your sales	0%.	Not applicable: Resend doesn't handle sales.

Sources: https://resend.com/pricing · https://resend.com/docs/dashboard/domains/regions. Prices checked on Oct 17, 2026. Smartletter: prices in euros, excluding VAT. Resend: prices in dollars, as on its site.

What you get

Sending through Amazon SES in Paris, which means your emails go out from France.
The official Resend SDK works as is, which means you don't rewrite your code.
Overage at €1 per 1,000 emails, never blocked, which means a traffic spike won't cut off your emails.
Newsletters and an MCP server in the same account, which means your product emails and your newsletter live in one place.

The platform's deliverability stats are public and live. See the live stats

How long it takes to switch

01You keep the official Resend SDK.
02You change 2 environment variables: RESEND_BASE_URL (https://api.smartletter.ai) and RESEND_API_KEY (your Smartletter key).
03You verify your sending domain on Smartletter, like on Resend. This needs the Pro plan.
04Compatibility is tested against the official SDK.

Choose Resend if…

You send attachments.
You use batch sending.
You schedule emails in advance.
You use webhooks or templates.
You receive emails (inbound).
Your budget is $20/month: with us, API sending starts at €49/month excl. VAT.

Choose Smartletter if…

You want your emails to go out from Paris.
You send simple emails, with no attachments.
You want to keep your Resend code as is.
You also want a newsletter, in the same place as your API.

FAQ

Is there a Resend alternative that sends from Europe?: Yes. Smartletter sends your emails through Amazon SES in Paris (eu-west-3). Its API follows Resend's. Resend can also send from eu-west-1, but keeps account data, logs and metadata in the US.
Does the Resend SDK work with Smartletter?: Yes. You keep the official SDK. You change RESEND_BASE_URL and RESEND_API_KEY. Compatibility is tested against the official SDK.
What can't Smartletter do yet compared to Resend?: Attachments, batch sending, scheduling, webhooks, templates and inbound email. If you need them, stay on Resend.
How much does Smartletter cost for transactional email?: API sending needs your own domain. It comes with the Pro plan: €49/month excl. VAT for 50,000 emails. Past that, it's €1 per 1,000 emails.
Where can I see Smartletter's deliverability?: On the public page smartletter.ai/en/deliverability. The platform's numbers are updated live there.

Keep your code. Change where you send from.

Change two variables, and your emails go out from Paris.

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