Resend is an email API built for developers. Send transactional emails (receipts, password resets, notifications) with a clean API. Supports React Email for building templates with JSX. Free tier: 100 emails/day, 3,000/month. Alternative to SendGrid, Postmark, and AWS SES with better developer experience.
glossary2 min read
Resend Explained
Resend is a modern email API for developers.
Try these tools
More glossary articles
What is WebP?
WebP is a modern image format by Google offering superior compression. Learn when and how to use WebP images.
What is HEIC?
HEIC is the default photo format on iPhones. Learn what it is, why Apple uses it, and how to convert it.
What is JSON?
JSON (JavaScript Object Notation) is the standard data format for web APIs. Learn the syntax and common uses.
What is Regex?
Regular expressions (regex) are patterns for matching text. Learn the basics and common use cases.