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Email API Pricing, per 1,000 Emails

Headline plans hide the real number. This ranks transactional email APIs by cost per 1,000 emails at volume, alongside each one's free tier, so you can find the cheapest reliable way to send.

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Sorted by cost per 1,000 emails, cheapest first. Tap a column heading to re-rank.
$ / 1,000 emails ▲ProviderFree tierEntry planBest for

Indicative pricing as last reviewed 11 July 2026. This space changed fast in 2025-26 (SendGrid dropped its free plan, Mailgun raised rates), confirm current pricing. Rates shown are at-volume / overage per 1,000; monthly plans bundle a base allowance.

How to read this. $ per 1,000 emails is the value metric at scale. But the cheapest is not always best: Amazon SES and other ultra-low options are raw infrastructure with no dashboard, templates or hand-holding, so you pay in developer time. Managed providers (Resend, Postmark, SendGrid) cost more per email but set up in minutes and often deliver better, which matters most for password resets and receipts. Weigh price against your time and how critical inboxing is.
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Cheapest email API?

Amazon SES at ~$0.10/1,000, with Elastic Email and SparkPost close behind. But SES is DIY infrastructure, no dashboard or templates. Managed providers cost more but save setup time. Sort by "$/1,000" above.

Which have a free tier?

SES and Resend give 3,000/month; Brevo and SendPulse have generous free allowances; Mailtrap and SMTP2GO ~1,000/month. SendGrid removed its free plan in 2025. See the free-tier column.

Why deliverability beats a few cents

If emails land in spam a cheap sender is useless. Postmark and Resend focus on transactional deliverability, worth the premium for critical mail like resets and receipts.