Email API alternatives, compared
Honest, opinionated comparisons against every major transactional email API — so you can decide whether PostStack fits before you migrate.
Resend
A European Resend alternative that is up to 75% cheaper
SendGrid
A modern SendGrid alternative on EU infrastructure
Postmark
A Postmark alternative that is up to 70% cheaper
Mailgun
A Mailgun alternative built for European teams
Brevo
A developer-focused Brevo (Sendinblue) alternative
MailerSend
A European MailerSend alternative with mailboxes built in