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Mask personally identifiable data for enhanced security

Protect user privacy and reduce compliance risks by masking personally identifiable information (PII) such as emails and phone numbers. With PII masking, your team can work securely while still analyzing campaign performance and sharing insights across teams.

OneSignal automatically masks phone numbers and emails in the dashboard and any data exported directly from the platform. However, PII masking does not currently apply to data accessed via API requests, external IDs, or data tags.

PII masking is available exclusively for Enterprise customers and for Professional or Growth plan customers who have opted into the Security and Legal package. To enable this feature, contact OneSignal Support or your dedicated Account Manager.