Resend

Resend is an email API service that helps developers send emails from their applications. Think of it as the delivery system for your app's emails - whether that's password resets, welcome messages, or marketing campaigns.

The platform offers two main services: sending individual emails through their API, and sending marketing emails to groups of contacts. You can use any programming language, as Resend provides ready-made code libraries for Node.js, Python, Ruby, Go, PHP, Java, and more.

One standout feature is the React Email integration. This lets you build email templates using React components, which is much easier than writing traditional HTML email code. Resend also includes tools to track delivery, monitor email opens and clicks, and ensure your emails reach inboxes instead of spam folders.

• Developer-friendly REST API with multiple SDKs

• React Email integration for modern templates

• Real-time webhooks for email events

• Domain verification and authentication tools

• Deliverability monitoring and analytics

• Transactional and marketing email support

• Batch sending and scheduling

• Email tracking (opens, clicks, bounces)

• Audience management tools

• Test mode for development

• Multi-region email sending

• GDPR and SOC 2 compliant