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Email delivery APIs compared head to head

91 like-for-like comparisons of email delivery APIs, each pair scored category by category with prices, facts and verdicts side by side. Pairs are made only when both do the same job.

  • 91 comparisons
  • 1 job
  • 14 ranked

Ranked

  1. #1Amazon SESBB75.1
  2. #2Resend API + MCPBB75.1
  3. #3MailerSendB69.5
  4. #4Cloudflare Email ServiceB67.3
  5. #5Mailtrap Email API + MCPB66.8
  6. #6Postmark API + MCPB66.5
  7. #7Mailgun API + MCPB66.2
  8. #8Twilio SendGridB63.6
  9. #9Loops API + MCPB62.7
  10. #10Zoho CPaaS (formerly ZeptoMail)C61.8
  11. #11Mailjet API + MCPC59.4
  12. #12Mailchimp Transactional (Mandrill)C58.1
  13. #13SMTP2GO API + MCPD53.1
  14. #14Brevo API + MCPE44.8

Sending email 91

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.