Best Email Platforms for Developers in 2026

Compare transactional and marketing email: Resend, Postmark, SendGrid, Loops, and more. We tested each platform and compared features, pricing, and developer experience.

Resend

resend.com

Modern email API for developers. React Email support, great DX, webhooks.

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Postmark

postmarkapp.com

Transactional email delivery. Industry-leading deliverability, fast API.

SendGrid

sendgrid.com

Cloud email platform by Twilio. Transactional and marketing email at scale.

Loops

loops.so

Email platform for SaaS. Product-led marketing, in-app events, beautiful editor.

Mailgun

mailgun.com

Email API for developers. Powerful routing, validation, and analytics.

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