New: SparkPost Signals
Find and fix the complex issues that affect email performance. Data-driven insights give you early warning about email delivery and engagement issues—before they impact your business.

Deliver email, come rain or shine
Missing or delayed emails lead to customer churn. SparkPost offers unmatched inbox delivery and reliability backed by an enterprise SLA.

Powerful email analytics
Bounce, open, and click-through rates can indicate serious email delivery issues. Get real-time insight on your email delivery health.

Access the industry’s best experts
The world’s most demanding senders rely on our team. Our Technical Account Managers provide full-service support on a first-name basis.
Sophisticated email features for applications big and small
Powerful templating, multiple webhook addresses, and multi-account features let you build applications that engage, retain, and rapidly grow your user base.
Missing or delayed product emails lead to customer churn
App-generated emails—often called transactional emails—are messages sent by your application or website in response to a user’s behavior. They play a critical role in acquiring and retaining users, and customers churn when transactional emails are delayed or lost in spam folders.

Activation Email

Welcome / Onboarding

User Invites and Sharing

Two Factor Authentication

Product Updates

Password Resets

Activity Notifications

Reports / Dashboards
Customer Story: Zillow
Zillow treats email as a essential feature of their product. Find out how email drives user engagement with their app.
read more2018 Transactional Email Benchmark Report
We surveyed 1,800 businesses. Get the data-driven benchmarks that define the state of transactional email—and recommendations that will improve the effectiveness of your own messages.
read moreEmail Tools for Developers
These free tools from the email experts at SparkPost make it easy to build and check your app’s emails.
read more