Best Email API & Delivery Software 2026: 14 Tools Compared
Best Email API & Delivery Software 2026: 14 Tools Compared
Shortlist
Quick Answer

Email API & Delivery software billed monthly typically runs Free to $500 per month in 2026. The average across 10 tools is $58 per month. 11 of 14 tools offer free tiers.

Quick Picks

Best Value

SMTP2GO

From Free/mo

Best Free Tier

Amazon SES

Free plan available

Highest List Price

SMTP.com

Up to $500/Per Month

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Full Comparison Matrix

Product Starting Price Popular Tier Enterprise Free Tier Best For
SMTP2GO Free /mo $15 /mo $75 /mo Yes -
Postmark Free /month $16.50 /month $18 /month Yes Testing and side projects
Brevo Transactional API Free /month $18 /month $499 /month Yes -
Resend Free /month $20 /month $90 /month Yes -
Novu Free /month $30 /month $250 /month Yes -
SendGrid Free /month $44.98 /month $89.95 /month Yes Developers testing SendGrid integration
Maileroo Free /month $45 /month $150 /month Yes -
Mailgun Free /month $45 /month $90 /month Yes Testing and development
Elastic Email $29 /month $49 /month $49 /month No -
SMTP.com $25 /Per Month $300 /Per Month $500 /Per Month No -

Category Summary

14

Products

$58

Avg /mo (10 tools)

11

Free Tiers