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Void Relay

Email API for Your Own SMTP Provider

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What is Void Relay?

Void Relay is an email API that lets you send mail using your own SMTP setup. It offers a simple REST API, real-time webhooks, and tracking so you can use Gmail, AWS SES, SendGrid, or any SMTP server without vendor lock-in. The service runs on a global edge network for low latency and includes an official TypeScript SDK today, with other SDKs coming soon. Plans are transparent and include tools for monitoring and debugging delivery.

Key features

  • Send emails through any SMTP provider with a single REST request.
  • Receive real-time webhooks for delivery, opens, clicks, and bounces.
  • Deploy globally with edge processing for minimal latency and fast delivery.
  • Track delivery performance and debug failed emails with detailed analytics.
  • Official TypeScript/JavaScript SDK available now; other SDKs coming soon.
  • Free tier offers generous daily quotas with transparent, simple pricing.