See what's actually driving revenue
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The customer engagement platform
trusted by 9,000+ brands
Most teams measure campaigns. The best teams measure outcomes. Customer.io gives you both.
Data is more accessible, insights are clearer, and we're able to make smarter decisions faster.
— Holly Benjamin, Head of Marketing / Lugg
Revenue attribution. Connect every journey to outcomes that matter with deduplicated, people-based tracking.
AI-powered analysis. Ask the Agent how any message is performing and get clear next steps, not just dashboards.
Real-time visibility. Workspace health, deliverability, and throughput metrics updated live so nothing slips.
Measure, test, and optimize in a single loop
Goals that live above any single campaign
Set a company-level goal and the platform maps every journey that influences it, with live, people-based attribution from day one.
- Attribute revenue across channels
- Connect many sends to one outcome
- Track progress from day one
Tighter loops from send to insight
Compare A/B variants with confidence, surface sentiment from in-app surveys, and let your Agent recommend what to do next.
- Know when a winner is statistically clear
- Automatically uncover customer feedback themes
- Get Agent-driven next steps after every test
Know your messages are landing and improving
Track deliverability, workspace health, and optimization signals to surface issues early.
- Monitor inbox placement across domains
- Filter bot activity for cleaner data
- Spot stale campaigns that need updating
Omnichannel messaging that delivers outcomes
Supercharge your messaging
- 14-day free trial
- No credit card required
- Cancel anytime