Snapshot 53556

Document
Subprocessor list
URL
https://customer.io/legal/sub-processors
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text/html; charset=utf-8
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static
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SHA-256 (normalized text)
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Data Processing & Transfers
List of Subprocessors
Current
Revised October 2026
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, EU
https://aws.amazon.com
Google Cloud Platform
Cloud Hosting, Analytics, AI
USA, EU
https://cloud.google.com
Snowflake
Data Warehousing, Analytics
USA, EU
https://www.snowflake.com
Customer.io AI Feature Subprocessors
These subprocessors are enabled by default within the Customer.io platform. Customers may disable "Customer.io AI" at any time in their Account Settings. Once disabled, no further Customer Data will be shared with these subprocessors.
Subprocessor
Purpose
Location
More info
OpenAI, LLC
AI model inference for optional AI-powered features
USA, EU
https://openai.com/policies/services-agreement
Google Cloud (Vertex AI)
AI model hosting and inference for optional AI-powered features
USA, EU
https://cloud.google.com/terms/service-terms
Anthropic (Claude)
AI model hosting and inference for optional AI-powered features
USA
https://www.anthropic.com/legal/commercial-terms
Customer.io Platform Subprocessors
Subprocessor
Purpose
Location
More info
Mailgun
Customer Communications
USA, EU
https://www.mailgun.com
Twilio
Customer Communications*
USA
https://www.twilio.com/en-us/legal/tos
Infobip
Customer Communications*
USA, EU
https://www.infobip.com/policies/service-terms-conditions
*This platform subprocessor is only applicable to customers who have contracted for SMS services.
For more information or to subscribe to notifications of updates, please email gdpr@customer.io.
If you would like to read about our data handling practices you can find more information in our Privacy Policy.
Prior List of Subprocessors versionsView earlier versions and the dates they were in effect.