The best API to reach humans instead of spam folders. Build, test, and deliver transactional emails at scale.
Resend: Revolutionizing Email Delivery for Developers
Overview
Resend is a dynamic API designed to streamline the process of building, testing, and delivering transactional emails at scale, ensuring they reach humans, not spam folders.
Key Features
- Developer-Centric Approach: At its core, Resend is built by engineers for engineers, aiming to create an email platform that just works.
- Elegant Interface and Broad Language Support: Resend boasts a simple, elegant interface, allowing developers to start sending emails within minutes. It integrates seamlessly into existing codebases with SDKs for popular programming languages like Node.js, Python, PHP, Go, Java, and others.
- Test Mode: This feature enables developers to simulate events and experiment with the API without the risk of accidentally sending real emails.
- Modular Webhooks: Receive real-time notifications directly to your server for key email events such as deliveries, opens, bounces, or link clicks.
- React-Based Email Development: With Resend, developers can create beautiful email templates using React, avoiding the traditional complexities of HTML email layouts.
- Advanced Deliverability Features:
- Proactive blocklist tracking
- Regional email sending
- Brand indicators
- Managed dedicated IPs
- Dynamic suppression lists
- IP and domain monitoring
- DNS record verification
- DMARC policy implementation
Resend offers a suite of features to ensure high deliverability, covering various aspects from proactive blocklist tracking to DMARC policy implementation.
- Comprehensive Control and Analytics: Gain full control over email sending processes with detailed logs, intuitive analytics, and full visibility. The platform also provides robust domain authentication to safeguard your domain reputation.
Beyond Expectations
Resend transcends traditional expectations, delivering a developer experience that fosters success and growth.

Resend reimagines email delivery for developers, offering a blend of ease of use, powerful features, and developer-centric design.