Customer.io is a customer engagement platform that helps businesses send personalized and automated messaging based on user behavior and data. In a streaming ETL (Extract, Transform, Load) workflow, Customer.io can act as a data destination or trigger source, enabling real-time communication with customers. By integrating Customer.io with ETL pipelines, businesses can deliver timely, relevant messages while leveraging dynamic data.

To integrate Customer.io into your ProxyHook account follow these steps:

1. Create a new source within ProxyHook and select 'Customer.io'. Grab the unique endpoint provided.
2. Log into your Customer.io account (https://customer.io) and select Data & Integrations > Reporting Webhooks > Add Webhook
3. Specify the endpoint from step 1 within the 'URL' section. Check any type of notifications you'd like to receive.