> ## Content Index
> Fetch the complete content index at: https://www.productmarketingalliance.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# Customer.io
- URL: https://www.productmarketingalliance.com/tools/customer-io/
- Published: 2024-12-03T07:45:00.000Z
- Updated: 2025-03-03T16:30:02.000Z
- Description: The customer engagement platform for automated and personalized messaging.
- Author: Product Marketing Alliance
- Tags: Tools, Customer Engagement, #Customer.io

### About the company 

![](https://pma-assets-external.ams3.cdn.digitaloceanspaces.com/vendors-of-choice-logos/Customer.io.svg) 

Customer.io is a customer engagement and marketing automation platform that gives PMMs the tools to send personalized, data-driven messages across email, SMS, push notifications, and in-app messaging. It's built for teams that want to build highly targeted customer journeys to engage users, improve retention, and drive product adoption through automated messaging workflows.

The platform uses real-time customer data to trigger personalized messages based on user behavior, product interactions, and lifecycle stage. Product marketers can use it to refine messaging and optimize campaign performance.