Resend
An email platform for developers to send transactional mail.
Resend is an email sending platform for developers that handles transactional and marketing email. It addresses the difficulty of building modern email templates that render across clients and of delivering messages to the inbox rather than the spam folder, providing APIs and SDKs that integrate directly into application code.
The platform includes a REST API and SMTP with SDKs for Node.js, Python, Ruby, PHP, Go, Rust, Java, Elixir, .NET, and others, plus framework integrations for Next.js, Remix, Nuxt, Express, Hono, and Astro. Capabilities include a test mode for simulating events, modular webhooks for delivery, open, bounce, and click notifications, an email editor, contact management with CSV import and unsubscribe handling, broadcast analytics, and templates built with React through the open source react-email component library. Deliverability tooling covers DNS record verification (DKIM, SPF, DMARC), BIMI, blocklist monitoring, dynamic suppression, managed dedicated IPs, and sending regions across North America, South America, Europe, and Asia. The service is SOC 2 compliant and GDPR compliant, with HIPAA compliance in progress.
Resend is aimed at engineering teams building email into their products. It offers a free plan to get started, with an Enterprise option and additional features such as dedicated IPs available separately.
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