ZapSMTP / Compare

Find the fit
for your sending.

Compare email volumes and plan limits, then check the features your application needs.

Monthly Email API / SMTP plans · USD · October 2026
ServiceFree allowanceFree domains50,000 / month100,000 / month1 million / month
ZapSMTP3,000 / month; 100 / day1$18$30$600
Resend3,000 / month; 100 / day3$20 · Pro$35 · Pro$650 · Scale
Postmark100 / month10$55 · Basic$115 · 125,000 included$775 · 1.5 million included
Mailgun100 / day1$35 · Foundation$75 · Foundation$700 · Scale
Mailtrap4,000 / month; 150 / day1$20 · Basic$30 · Basic$750 · 1.5 million included
MailerSend500 / month1$35 · Starter$68 · Starter$600 · Starter

Compared in October 2026. Public monthly prices before taxes, without annual discounts or temporary trials. Packages cover the stated volume without overage; included features differ. Check each provider’s current pricing using the links above.

Compare the whole workflow.

Look at retention, domain limits, webhook delivery, inbound processing, test scenarios, dedicated IPs, and the overage rate for your chosen plan. A larger package may include tools you need even if you send fewer emails.