Customer.io
Customer.io is a behavioral email and SMS platform for sending automated messages based on user actions.

System Parameter Breakdown
- Free Plan:
- Yes
- Starting Price:
- 50 (USD/mo)
- Free Plan Contacts:
- 500 (contacts)
- Behavioral Triggers:
- Yes
- SMS Support:
- Yes
- API Available:
- Yes
Customer.io enables businesses to build and send targeted email, SMS, and push notifications triggered by customer behavior and events. It's designed for product teams and marketers who need to deliver personalized communications without relying on developers, using a visual workflow builder and real-time customer data.







