More impactfrom every messagemessage
More impact
from every messagemessageTurn customer data into personalized experiences with a platform that gets more powerful over time.
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- 14-day free trial
- No credit card required
- Cancel anytime
- ### Intelligence that compounds The more you use the platform, the sharper it gets.
- ### Orchestration that scales One platform for every channel, message type, industry, and geography.
- ### Built for agents, not just humans Works with any AI tool using MCP, CLI, API or webhooks.
ActivationGuide new users toward meaningful actions using behavioral triggers.
RetentionRespond proactively to engagement signals and churn risk.
Cross-sell & upsellPersonalize cross-sell and upsell campaigns based on product usage.
OnboardingCreate welcome flows that ensure new users are ready to take first steps.- 14-day free trial
- No credit card required
- Cancel anytime
The customer engagement platform trusted by 9,000+ brands
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The customer engagement platform trusted by 9,000+ brands
case study
case study
case study
case study
case study
case study
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case study
We unify your data, messaging, and AI into a single platform, so every interaction with your customers is stronger and more relevant than the last
Capabilities
Everything you need to engage customers
JourneysBuild automated campaigns that improve with every send.
AudiencesReach the right people using data-driven segmentation.
Data & integrationsUse your customer data to drive better personalization.
Design StudioCreate beautiful messages at scale without complexity.
AnalyticsSurface insights that help you deliver business performance.
AI Agent
Meet your AI Agent
Tell it what you want, and it gets to work so your team spends less time configuring and more time on what matters most.
Build campaigns in a conversation
Go from a single prompt to a fully configured campaign with triggers, content, timing, and logic, so you can launch more quickly.
Analyze performance instantly
Ask how any campaign is doing and get clear, data-grounded recommendations.
Remember everything about your business
Your Agent automatically carries your brand voice, goals, and preferences across every session.
Solutions
Support every stage of the customer journey
Enterprise ready
Infrastructure built for teams and the agents that support them
SecuritySecurity you can trustProtect customer data with enterprise-grade safeguards for both your team and AI agents.SupportSupport you can count onEmail and chat support are available, with hands-on implementation and ongoing guidance when you need it.
Case studies
Trusted to power billions of customer interactions
28%
Increase in click-through rates
22%
Increase in email conversion rates
“
Customer.io has become the heartbeat of our lifecycle marketing strategy, empowering us to communicate with users in a way that feels genuinely relevant and personal.
Simon HeatonDirector of Growth Marketing
3.36%
Drop in cancellations
4.4%
Boost in key app engagement
“
Because we have every event flowing into Customer.io, we were able to build a journey that adapts to what each user is actually doing—or not doing.
Sue ChoHead of Lifecycle Marketing
GDPR compliant
AICPA SOC certified
Users love us
Security first
HIPAA compliant
Supercharge your messaging
Get startedGet startedBook a demoBook a demo