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Best email api Tools in 2026

Comprehensive guide to the top email api software. Compare features, pricing, and find the perfect tool for your needs.

Top email api Tools

Resend

Modern email API for developers.

Free / $20/monthFree tier available

Alternatives|Pricing

SendGrid

Twilio's email delivery platform.

Free / $20/monthFree tier available

Alternatives|Pricing

Twilio SendGrid

SendGrid (by Twilio) is one of the largest email delivery platforms, handling billions of emails monthly. It offers both transactional and marketing email capabilities with a strong API and deliverability.

Free / $19.95/monthFree tier available

Alternatives|Pricing

Mailgun

Mailgun is a developer-focused email API service known for its powerful sending, receiving, and tracking capabilities. Popular among developers for its clean API and email validation features.

$35/month (50K emails)

Alternatives|Pricing

Popular Comparisons

ResendvsSendGrid

Resend is more modern. SendGrid handles higher volume.

Twilio SendGridvsMailgun

SendGrid is better for teams needing both transactional and marketing email at scale with a free tier. Mailgun is better for developers who want a clean API focused purely on transactional email.

All email api Tools

Resend

Free / $20/month

Alternatives Pricing

SendGrid

Free / $20/month

Alternatives Pricing

Twilio SendGrid

Free / $19.95/month

Alternatives Pricing

Mailgun

$35/month (50K emails)

Alternatives Pricing