Run Render25 directly in Cursor: install the new plugin from the Marketplace
THE SMTP PLATFORM FOR DEVELOPERS

Fast Transactional Emails
for Teams and Agents

Integrations

Built for your stack.

Drop in our official SDKs and get up and running in minutes. We provide first-class support and comprehensive documentation for your preferred language.

TypeScript
Python
Go
Node.js
Ruby
Rust
PHP
.NET
Next.js
Django
Laravel
Ruby on Rails
Phase 1 / Rendering

Write React.
Output magic.

Stop fighting with 1999-era HTML tables and inline CSS. Write your emails using modern React components with full type safety and Tailwind support. We compile it down to flawless HTML that works perfectly in Outlook, Gmail, and Apple Mail.

Phase 2 / Edge Delivery

Sent from the edge.
Delivered instantly.

Our globally distributed Anycast network routes your outgoing messages through the fastest path possible. We bypass legacy SMTP relays and connect directly to major inbox providers to ensure sub-100ms delivery times worldwide.

Phase 3 / Telemetry

Microsecond
Observability.

Every open, click, bounce, and delivery is logged instantly into our ClickHouse analytics engine. Query millions of logs via our API in milliseconds, or stream them directly to your Datadog or AWS infrastructure.

99.8%

Uptime SLA guarantee

40ms

Global average latency

2B+

Emails delivered monthly

Everything you need.
Built to scale.

Global Edge Network

Emails are routed through our anycast network, drastically reducing latency and improving deliverability worldwide.

Real-time Webhooks

Receive instant notifications for deliveries, opens, clicks, and bounces directly to your endpoints.

Enterprise Security

SOC2 Type II compliant, GDPR ready, and built with military-grade encryption at rest and in transit. Secure SAML SSO and RBAC included for all enterprise teams out of the box.

SOC2 TYPE II
TLS 1.3
GDPR

Global Edge Routing.

We dynamically route your email traffic through the closest and fastest network path across our global anycast infrastructure.

San Francisco
New York
Frankfurt
Singapore
Sydney

Ready to send?

Send 3,000 emails per month for free.