Customer.io

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

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.