Core platform
Under 2s delivery. Always.
Infrastructure optimised for low latency. Emails hit the inbox before your users notice.
Security built in, not bolted on.
DKIM, SPF, DMARC configured automatically. TLS enforced in transit. We are building toward SOC 2.
See everything, in real time.
Opens, clicks, bounces, complaints — all tracked and visualised in your dashboard.
Reach inboxes, not spam folders.
Managed IPs, proactive blocklist monitoring, and automatic warm-up built in.
One API. Every language.
Node.js, Python, Go, PHP. REST and webhooks. Ready in minutes.
MJML-first templates.
Write once, render perfectly in Gmail, Outlook, Apple Mail. No more table hacks.
And much more
We handle the complexity so you can ship faster.
Scheduled Sending
Send at the perfect time for your recipients, in any timezone.
Team Collaboration
Invite members with role-based permissions and full audit logs.
Multi-tenant Support
Manage multiple domains and projects from a single dashboard.
DKIM & SPF
Automatic DNS configuration for maximum deliverability.
Auto Retry
Smart retry logic ensures your emails always get through.
Redundant infrastructure
Built on multi-region systems with automatic failover. SLA committed at scale.
Webhooks & Events
Real-time notifications for every email event.
Suppression Lists
Automatic handling of bounces and unsubscribes.
Why TosSend
Built for developers who care about deliverability.
Perfect for
- Infrastructure built for low latency from day one
- Full Unicode and i18n support for any language
- Transparent pricing — no surprises, no lock-in
- Direct access to the team during early access
- Privacy-first approach with GDPR in mind
- SDKs for all major languages
Perfect for
- Transactional emails: receipts, resets, OTPs
- User onboarding and lifecycle sequences
- Marketing campaigns with segmentation
- SaaS platforms with multi-tenant email
- E-commerce order and shipping notifications
- Fintech apps sending transaction alerts
Ready to get started?
Start sending emails in minutes on the free tier — no credit card required.