Resend

Resend supports SDKs for Node.js, Python, PHP, Ruby, Go, Java, Rust, .NET, and Laravel, making it easy to integrate email into any stack. It includes React Email support for building email templates with components, an OpenAPI 3.0 spec, and a CLI for terminal-based operations. Resend also offers MCP server integration with tools like Claude and Cursor for agent-driven email workflows. It is designed for developers who need reliable, scalable email delivery with minimal setup.