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Void Relay is a developer-friendly email API that enables you to send emails using your own SMTP infrastructure. Unlike traditional email service providers, Void Relay offers full control over your email delivery by allowing you to integrate any SMTP server such as Gmail, SendGrid, Mailgun, or your own self-hosted server. It provides a simple REST API, webhooks, and detailed analytics to monitor email performance in real-time.

• Bring your own SMTP server with no vendor lock-in
• Easy-to-use REST API compatible with any programming language
• Real-time webhooks for delivery notifications, opens, clicks, bounces, and errors
• Comprehensive email tracking and analytics

How it works: You configure your SMTP server and generate an API key. Using the REST API, you send emails through your infrastructure, while webhooks notify you of delivery status and engagement metrics. The global edge network ensures fast delivery regardless of your location.

Pricing is straightforward: a free plan offers 2,500 emails per day per API key during beta, with options to scale up via paid plans. The platform is ideal for developers, businesses, and teams seeking full control over email delivery without vendor lock-in, supporting various use cases from transactional emails to marketing campaigns.

Benefits include low latency, flexible integration, and full data ownership, making it suitable for any organization that values control and transparency in email communication.