Resend

Resend is an email platform for developers that delivers transactional and marketing emails at scale, offering SDKs and integrations across languages and frameworks (Node.js, Serverless, Ruby, Python, PHP, Go, Rust, Java, Elixir, .NET, REST, SMTP; Next.js, Remix, Nuxt, Express, Hono, Redwood, Bun, Astro) plus a visual email editor, modular webhooks, contact management, broadcast analytics, DNS record verification (DKIM and SPF), DMARC support and proactive blocklist tracking. Targeting developers and companies of all sizes, Resend differentiates itself by powering templates with the open-source react-email component library, providing a Test Mode to simulate events without sending real emails, and offering Managed Dedicated IPs that automatically warm up and autoscales based on sending volume.