Customer.io
Turn customer data into automated messaging and lifecycle experiences.

Meet the product
About Customer.io
Customer.io connects customer data with messaging and automation. Teams can design journeys around customer behaviour, coordinate personalised communication and analyse campaign results. Its platform combines data integration with tools for ongoing lifecycle engagement.
Lifecycle and product marketing teams working with behavioural customer data.
What it can do
Features & capabilities
- Behaviour-based automation
- Customer segmentation
- Personalised messaging
- Data integrations
- Campaign analysis
Ways to use it
- 01
Build onboarding and retention journeys.
- 02
Trigger messages from customer events.
- 03
Refine communication using campaign results.
Make it work for you
Plans & connections
Pricing
See the official plan comparison for current features, usage limits and billing options.
View current plansProfile notes
Reviewed 16 September 2026
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