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We deliver nearly 40% of
all B2C & B2B email
Over 1.8 billion unique devices engaged in the cloud
Uptime,
guaranteed by SLA
SparkPost is the world’s largest and most reliable email sender, delivering nearly 40% of all commercial email—that’s 4 to 5 trillion sends annually—and also has the world’s largest email data footprint to help enterprise-level brands make data-driven decisions to improve their email performance.
The world’s most sophisticated enterprise-level senders trust SparkPost for its high standards of performance, reliability, speed, and security.
Get started today with SparkPost cloud sending APIs.
Email Expertise
Data & Intelligence
Security, Privacy, & Compliance
The SparkPost platform is powered by the industry’s largest data network, a team of email experts to help brands elevate every aspect of their email program, and a security and compliance posture to support even the most regulated industries. The world’s most sophisticated senders trust SparkPost to elevate their email.
Brands like Twitter, Pinterest, and Adobe leverage SparkPost to elevate their email performance and unleash the power of their email program. On average, our customers experience open and click rates that are 4x above the status quo.
For brands that rely on email communication, our reliable sending technology and powerful analytics are the perfect recipe for success.
Zillow uses SparkPost to ensure home buyers have reliable access to all the info they need to find their dream home.
Learn how the Financial Times delivers email, engagement, and digital growth for its business, using SparkPost’s email API.
When SparkPost acquired eDataSource a year and a half ago, the newly combined leadership team set out a compelling vision that turned into an internal mantra of sorts: we aren’t just as good as we were separately, we are in fact #BetterTogether. Our teams rallied around this vision and worked to enact this principle from
Configuring an Intermediary Domain for DKIM As an email service provider (ESP), there are many different priorities and considerations that you’re factoring – especially when starting out – and one of the most important is for your customers to have an easy onboarding experience. You want customers to successfully set up their integration with your
As you may have seen in the news, software vendor Kaseya has announced that between 800 and 1,500 businesses have been compromised by a ransomware attack connected to their business. Kaseya said in a statement that approximately 50 of its direct customers were breached in the attack but hundreds more were affected because many of
