Resolve cross-device and cross-channel user identities.
Format | Description | Storage | |
---|---|---|---|
RFC 5322 | Email address of the user. | Hashed | |
Phone | E.164 | Phone number of the user. | Hashed |
Client ID | string | Arbitrary ID that anonymously identifies a particular device, or browser instance. | Yes |
User ID | string | Arbitrary ID that is intended to be your known identifier for a user on your internal systems. | Only when provided |