7 tools21 comparisons
Best Email APIs Tools(2026)
Send transactional emails reliably with developer-friendly APIs. We compared 7tools so you don't have to.
R
Resend
From $20/month
Email for developers
React Email templatesSimple REST APIDomains and subaccounts
S
SendGrid
From $19.95/month
Email delivery for developers
Transactional APIMarketing campaignsEmail templates
P
Postmark
From $15/month
Email delivery for web apps
Transactional email45-day email historyDKIM/SPF auto-setup
M
Mailgun
From $15/month
Powerful email APIs built for developers
Transactional APIEmail validationEmail routing
A
AWS SES
From $0.10/1,000 emails
Cost-effective cloud email sending
Bulk sendingSMTP + APISuppression list
B
Brevo
From $25/month
All-in-one email and marketing platform
Transactional emailMarketing campaignsSMS marketing
L
Loops
From $49/month
Email for modern SaaS
Transactional emailsLifecycle campaignsUser properties
Head-to-head
Email APIs Comparisons
Resend vs SendGridResend vs PostmarkResend vs MailgunResend vs AWS SESResend vs BrevoResend vs LoopsSendGrid vs PostmarkSendGrid vs MailgunSendGrid vs AWS SESSendGrid vs BrevoSendGrid vs LoopsPostmark vs MailgunPostmark vs AWS SESPostmark vs BrevoPostmark vs LoopsMailgun vs AWS SESMailgun vs BrevoMailgun vs LoopsAWS SES vs BrevoAWS SES vs LoopsBrevo vs Loops