Relay: Email API with Your Own SMTP – Fast, edge-native email sending with full control

Summary: Relay Beta provides a fast, edge-native email API that integrates with your own SMTP server, offering per-server API keys, webhooks, and delivery metrics. It enables flexible quotas and clear control over email sending without vendor lock-in.

What it does

Relay routes email sending through your SMTP server using an API designed for low latency and scalability. It supports robust webhooks and detailed delivery metrics for monitoring.

Who it's for

Developers managing private or hobby projects who need scalable email sending with control over quotas and infrastructure.

Why it matters

It reduces costs and limits by eliminating vendor lock-in while providing transparent control over email delivery and performance.