Resend — #2 Alternative to SendGrid

Name: Resend
Rating: 4.86 (870 reviews)

Developer-first email API paired with open-source React Email components

Resend provides clean TypeScript/Go/Python SDKs, regional sending endpoints, multi-domain verification, idempotency keys, and native rendering of React Email templates.

License: Proprietary (MIT SDKs & React Email) · Pricing: Freemium · Compare all SendGrid alternatives · Official Website