Resend

Resend earns strong praise for its clean DX, reliability, and swift setup. Maker feedback is particularly emphatic: the makers of Polar highlight smooth APIs/SDKs powering their newsletters; the makers of Coframe say it’s reliable and easy across all their emails; the makers of Airbook AI report a painless migration from Brevo and are eager for marketing/broadcast features. Broader reviews echo high deliverability, transparent pricing, and helpful support, with occasional asks for faster delivery in edge cases and richer marketing tools. Overall, a developer-favorite.