A complete suite of infrastructure tools designed to solve deliverability headaches for engineers and businesses.
Worldwide multi-region clusters ensure TLS-encrypted delivery in under 500ms to major consumer mail providers.
Developer-first JSON APIs with comprehensive SDKs for Node.js, Python, PHP, Ruby, and Go. Send transactional emails with one API call.
Prevent noisy neighbor penalties by sending through dedicated IPv4 addresses warmed specifically for your sending patterns.
Detailed drill-down metrics on bounce types, ISP-specific deliverability rates, and recipient engagement logs retained up to 90 days.
Real-time checks for CAN-SPAM, GDPR, and CASL compliance, ensuring working one-click unsubscribe links and sender verification.
Create clean responsive email templates visually or paste custom MJML / HTML code with live multi-device viewport testing.