Operating email infrastructure is a difficult, time-consuming distraction from building great products, apps, and services. We make it simple for you to implement notifications, product emails, and promotional emails with reliability and security your business can count on.
Scaling For The Future
Email is difficult to scale, and building and maintaining it requires specialized operational skills. Whether you’re sending millions or billions of emails, our solution can scale with you as your business grows.
The #1 Most Trusted Email Delivery Service
The world’s most demanding senders rely on SparkPost to deliver billions of emails every day.
99.99% Uptime Reliability
SparkPost delivers unmatched uptime and resilience, backed by an SLA.
Auto-Scaling With Guaranteed Burst Rates
You’ll see the same low latency—less than two seconds in transit—whether you’re sending 100 messages or a billion. SparkPost burst rate SLAs are backed with enterprise-grade financial commitments.
Email Experts You Can Rely On
No one understands scaling email like our email infrastructure team. Our dedicated deliverability and site reliability engineering (SRE) team ensures you can keep sending and receiving email 24 hours a day, 365 days a year.
Learn More About Email Security & Reliability
Develop your email expertise with these helpful resources and reports.