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Resend

Transactional email API for developers.

What it is

Resend is a transactional email API aimed at developers, with a clean SDK and React-based email templates. It is built for the case where email is part of the product: sending is an API call, and templates are components rather than a drag-and-drop editor. That makes it a poor fit for marketing teams who need to compose campaigns without a developer.

Resend pricing

Resend publishes 2 plans. Paid tiers start at $40/mo, and a free tier is listed alongside them.

Resend plans and published prices, taken from the vendor’s pricing page.
PlanPriceWhat the vendor’s page says
Free$0/moFree $0: 3,000 emails/month, 100/day, 3 domains, 30-day retention
Pro$40/moEnterprise custom for 3M+ emails; marketing: Free 1,000 contacts, Pro $40–$650/month for 5,000–150,000 contacts

Prices read from the vendor's own pricing page on 2026-09-08. Vendors change plans without notice — check the source before you budget. Source

Cheaper alternatives to Resend — same category, ordered by verified starting price.

Key features

  • Developer-first API

    Sends mail through a small API with official SDKs for common runtimes.

  • React email templates

    Builds message templates as components instead of HTML tables.

  • Domain authentication

    Guides SPF, DKIM and DMARC setup for the sending domain.

Strengths and trade-offs

What works well

  • Simple API and good developer experience
  • React Email templates keep markup maintainable
  • Generous free tier

Where it falls short

  • Newer than established providers
  • Fewer deliverability controls than enterprise tools
  • Marketing email features are limited

Who it is for

Developers sending transactional email from an application.

Pick it or skip it

Pick Resend if

  • Developers sending transactional email from code — 3,000 emails a month are free with 3 domains
  • Products around 50,000 emails a month for $20 (Pro) with 10 domains and no daily cap
  • Teams that also want marketing sends priced by contacts: Free covers 1,000 contacts

Skip it if

  • You send more than 100 emails a day on Free — that daily cap is the trigger
  • You need a dedicated IP or SSO on a small plan: both are Scale add-ons ($30 and $150/month)
  • You are above 3 million emails a month and need a negotiated contract

Our verdict

A pleasure to integrate. For high-volume marketing sends, an established ESP still has the edge.

Frequently asked questions

How much does Resend cost?
Resend's free plan includes 3,000 emails a month with a 100-per-day cap and 3 domains. Pro is $20 a month for 50,000 emails or $35 for 100,000, with overage at $0.90 per 1,000. Scale runs from $90 to $1,150 a month for 100,000 to 2.5 million emails, and Enterprise is custom above 3 million. Marketing email is priced by contacts, free up to 1,000.
How much does Resend cost?
Resend publishes 2 plans: Free at $0/mo, Pro at $40/mo. Every figure is read from the vendor's own pricing page; the pricing section above shows the source sentence for each tier.
Does Resend have a free plan?
Yes. Resend offers a free tier with limits; paid plans unlock higher usage or team features.
Who is Resend best for?
Developers sending transactional email from an application.
What are the main drawbacks of Resend?
The trade-offs we noted: Newer than established providers; Fewer deliverability controls than enterprise tools; Marketing email features are limited.
When should you not use Resend?
Skip Resend if: You send more than 100 emails a day on Free — that daily cap is the trigger; You need a dedicated IP or SSO on a small plan: both are Scale add-ons ($30 and $150/month); You are above 3 million emails a month and need a negotiated contract.

What we checked

  • Public APIOffers a documented API you can build against.Yes
  • Mobile appHas a native app for iOS or Android, not just a mobile website.No
  • Open source / self-hostableSource is open and the tool can be run on your own infrastructure.Yes
  • SSO (SAML)Supports SAML single sign-on on at least one plan.Yes

“Not checked” means exactly that — we have not verified it, and we do not guess.

Evidence and freshness

Status: Vendor pricing page verifiedReviewed: 2026-09-08

  • Resend — Pricing ↗

    Checked 2026-09-08 · Supports: Free $0: 3,000 emails/month, 100/day, 3 domains, 30-day retention, Pro $20/month for 50,000 emails, $35 for 100,000, overage $0.90 per 1,000, 10 domains, Scale $90–$1,150/month for 100K–2.5M emails, overage $0.90 down to $0.46; dedicated IP $30/month, SSO $150/month, Enterprise custom for 3M+ emails; marketing: Free 1,000 contacts, Pro $40–$650/month for 5,000–150,000 contacts

Limit: Vendor pricing page was reviewed by an editor on this date; this record is not a ToolCompare benchmark. Prices and limits change.

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