This isn't our story.
It's yours.
Everything we do—from the smallest improvement to the biggest innovation—is to give you a more powerful platform to share your story.
We’re creating a world where you have one unified view of your audience and a single place where unlimited, real-time data powers more effective engagement.
With Customer.io, you can reach your customers across every channel—email, mobile, push, in-app, SMS, and whatever comes next. Together, anything is possible.
Your story is our story.
Trusted by brands around the world to send data-powered communication each day
Meet our leaders

We are building the future of customer engagement
With Customer.io, you can reach your customers across every channel—email, mobile, push, in-app, SMS, and whatever comes next. Together, anything is possible.
Coverage about Customer.io

Newsweek
These Top 30 Workplaces are the Most Loved Globally 2025

SaaStr
How Top SaaS Companies Drive 2-3x Better Campaign Performance

Crafted
Driving product-led growth with Colin Nederkoorn

MarTech Podcast
How data marketing is re-shaping omni-channel growth

Founder Secrets
Scaling Customer.io to $50M ARR

CMSWire
How to rock the new email rules

Recruiting Future
Overcoming remote challenges at Customer.io

Fast Company
The latest corporate benefit: Parental leave from your first day of work

Forbes
Marketing your tech: 20 effective ideas for reaching a broad audience

Morning Brew
Q&A with CMO Jason Lyman

Business Journal
5 Portland execs, with $250M in sales between them, talk workplace mandates, recession, and more

MediaPost
The most popular marketing apps now being used
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