Two transactional email providers, compared on price, features and ratings, so you can pick fast.
Updated September 2026
THE VERDICT
Postmark wins on transactional deliverability. Resend wins on price and deliverability.
Postmark starts at $10 versus Resend's Free. Resend rates higher with developers (4.8 vs 4.6 on G2). Pick based on volume and team, and the scorecard below breaks down where each one leads.
Winner cells are tinted, green where Postmark leads, violet where Resend does.
FAQ
Postmark starts at $10 versus Resend's Free. Because pricing models differ by tier, the cheaper option depends on your monthly volume, so compare the pricing rows in the scorecard above.
Postmark's first paid tier is the Basic plan at $15 per month, which includes 10,000 emails. Additional emails are billed at $1.80 per 1,000 on that plan, with lower overage rates on higher tiers. There is no paid plan between the free 100 emails per month tier and the 10,000 emails per month plan.
Yes. Resend's free plan includes 3,000 emails per month, with a limit of 100 emails per day. Marketing usage includes a starting allotment of 1,000 contacts as well. It is aimed at small apps, prototypes, and independent developers.
Yes. Many teams route different message types through different providers or fail over between them. Courier lets you send through both behind a single API and switch providers without changing your code.
Why not both?
Use both behind one API.
Route Postmark, Resend, or both, and switch providers without changing your code. Courier sits in front of every channel.
Pricing, plans and feature availability as of September 2026 and may change. Ratings are aggregated from public review platforms. Postmark is an ActiveCampaign product.