Email for
The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.
Integrate
A simple, elegant interface so you can start sending emails in minutes. It fits right into your code with SDKs for your favorite programming languages.
import { TosSend } from 'tossend';const tossend = new TosSend('ts_xxxxxxxxx');(async function() { const { data, error } = await tossend.emails.send({ from: 'hello@tossend.com', to: 'hello@tossend.com', subject: 'សូមស្វាគមន៍', html: '<strong>it works!</strong>' }); if (error) { return console.log(error); } console.log(data);})();Built for teams that ship fast
We are a team of engineers who love building tools for other engineers. Our goal is to create the email platform we have always wished we had.
Lightning fast
Average delivery time under 2 seconds with servers optimized for Southeast Asia.
Regional servers
Infrastructure in Singapore and Hong Kong for optimal delivery across Cambodia.
Built-in security
DKIM, SPF, and DMARC authentication with SOC 2 Type II certification.
Real-time analytics
Track opens, clicks, bounces, and complaints with detailed dashboards.
Modular webhooks
Receive real-time notifications for delivery, opens, clicks, and bounces.
React Email
Build beautiful templates with React components. No more HTML tables.
Khmer support
Full Unicode support for ភាសាខ្មែរ with perfect rendering everywhere.
Contact management
Import and manage your contacts with custom attributes and segments.
Reach humans, not spam folders
Built-in deliverability features to ensure your emails land in the inbox.
Proactive blocklist tracking
Be the first to know if your domain is added to DNSBLs with automatic removal requests.
Managed dedicated IPs
Get a fully managed dedicated IP that automatically warms up and autoscales.
Dynamic suppression list
Prevent repeated sending to recipients who no longer want your email.
IP and domain monitoring
Monitor your DNS configuration for any errors or regressions.
Verify DNS records
Protect your reputation by verifying your identity using DKIM and SPF.
Prevent spoofing with DMARC
Avoid impersonation by creating DMARC policies for unauthenticated email.