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List of Subprocessors 

Revised September 2025

Below is a list of subprocessors we work with and the purpose for why we use their services.

Customer.io Infrastructure Subprocessors

Subprocessor

Purpose

Location

More info

Amazon Web Services

Cloud Hosting

USA

https://aws.amazon.com

Google Cloud Platform

Cloud Hosting, Analytics

USA, Belgium

https://aws.amazon.com

Snowflake

Data Warehousing, Analytics

USA

https://www.snowflake.com

Customer.io Platform Subprocessors

Subprocessor

Purpose

Location

More info

Mailgun

Customer Communications

USA

https://www.mailgun.com

For more information or to subscribe to notifications of updates, please email gdpr@customer.io.

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