E.164 Format
The E.164 format is the international standard for phone numbers:- Start with
+followed by country code - No spaces, dashes, or parentheses
- Example:
+15551234567(US),+442071234567(UK)
Privacy
Phone numbers are normalized and SHA-256 hashed before being sent to destinations.Related Properties
Customer email — primary identifier.
firstName / lastName
Customer name for identity resolution.