Customer.io
US multi-channel marketing automation platform (Peaberry Software, Inc.). Powers email, push, in-app, and SMS messaging. gist.build is the in-app messaging SDK domain.
Detected by domain patterns
customer.iocustomerio.comcustomeriomail.comcustomerioforms.comtrack.customer.iogist.buildEuropean alternatives
GDPR & Data Residency
Customer.io is owned by a US company. Under GDPR Chapter V, transferring personal data to the US requires an appropriate safeguard (typically Standard Contractual Clauses or adequacy decisions. The 2020 Schrems II ruling invalidated Privacy Shield and increased scrutiny on US data transfers, requiring case-by-case Transfer Impact Assessments (TIAs).
If your website loads Customer.io scripts or sends user data to their servers, your users' data may be processed in the United States. Review Customer.io's DPA (Data Processing Agreement) and ensure it covers SCCs.
Tip: Consider replacing Customer.io with one of the EU-based alternatives listed above to simplify GDPR compliance and remove cross-border transfer obligations.
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