Say more,
more powerfully
Fueled by first-party data, create personalized journeys across all channels with our AI-powered customer engagement platform.
- 14-day free trial
- No credit card required
- Cancel anytime
Transform customer communication
Manage and personalize customer messages within one unified platform. Because when powered by data, it’s more than a message, it’s a relationship.
Data & integrations
Collect and route your first-party data to all the tools you use to drive growth.
Journeys
Craft and automate messages with unmatched flexibility and customization.
Insights & analytics
AI-powered insights and analysis surface learnings and new areas of opportunity.
Trusted by 7,800+ brands around the world to send data-powered communication each day
Power your marketing performance with AI
Enhance your expertise with AI, remove mundane tasks, and accelerate platform usability—while keeping you in complete control of your messaging strategy and execution.
Find new opportunities: Discover untapped audiences, strategies, and automation paths to scale your marketing—faster.
Strengthen every interaction: Get AI-driven recommendations that optimize messaging, enhance clarity, and ensure your brand voice stays authentic.
Prove your impact with confidence: Use insights to fine-tune campaigns and maximize engagement.
Deliver meaningful interactions
Create distinctive customer experiences across mobile and web via email, push, in-app, and SMS, powered by first-party data to engage customers where they are.
Visual workflow builder
Drag-and-drop interface to easily outline exactly how you want your automations to flow.
Omnichannel support
A unified customer experience across every touchpoint: email, push, in-app, SMS and more.
Design Studio
Create high-quality messages with a collaborative and user-friendly editor.
Analytics + conversion goals
View performance, compare metrics, and track conversion goals.
A/B + cohort testing
Optimize messaging through content and cadence experimentation.
All your data without limits
Easily move real-time data from source to destination and craft campaigns based on unlimited profile attributes, events, or actions.
APIs + Webhooks
Move real-time and relevant customer data from A to B to with API calls and webhooks.
Event triggers
Send campaigns based on as many profile attributes, events, or actions as you need.
Reverse ETL
Keep your data in sync with native reverse ETL support for data warehouses like Snowflake and Big Query.
Ad audience sync
Automatically keep your segments in sync with Google, Facebook, Instagram, and YouTube ad networks.
Custom objects
Enhance message precision with data like companies people work for, courses they've taken, or properties they own.
Unlimited sources & destinations
From data warehouses to analytics tools, confidently connect to the databases and applications you use every day.
Designed to help you scale
From small startups to publicly traded enterprises with hundreds of millions of users, we built our platform to grow alongside you. Delighting our customers, no matter your role or tech stack in place remains at the heart of every decision we make.
monthly multi-channel messages
increase in first transactions
improvement in late payments
There’s nothing this platform can’t accomplish for you. Customer.io has been the perfect messaging platform for our team every step of the way. We loved it as a small team, and it’s stayed perfect for us along our path of continuous growth.
increase in monthly G2 reviews
conversion rate for billing emails
avg. email open rate
It allows us to visualize the whole campaign straightaway, and when it comes to analyzing a campaign by itself, I never need to do that on a workflow separately from Customer.io.
increase in win-back conversions
person-hours saved per week
more real-time data processed
Customer.io has been an opportunity for us to go in there, recover more money, make it a profit center, and also reduce the amount of manual labor that we had to do.
Scale, flex, and innovate
Designed for universal usability, our platform minimizes operational overhead, ensuring maximum ROI for brands of all sizes.
Platform uptime
Customer satisfaction score
Daily API calls
Messages sent in 2024
Webhooks sent in 2024
Global support coverage
You’re in good company
Trusted by brands across industries, geographies, and sizes, including those servicing both B2B and B2C markets.
Integrates with your tools
Seamlessly connect the databases and applications you rely on to scale your business.
Security you can trust
As a data company, we understand the importance of keeping your company’s data secure.
ISO 27001 certified and compliant with GDPR, HIPAA, SOC 2 Type II, and CCPA standards.
Choose between secure data residency in the EU or US, tailored to your needs.
Supercharge your
 messaging automation
- 14-day free trial
- No credit card required
- Cancel anytime