Identify a contact and sync attributes from your app
POST
Query
Field selectionChoose which fields should be included in the response. Learn more
string
Comma-separated response fields to include.
Body
Arguments
stringrequired
The contact's email address (used as the unique identifier)
string
Contact's first name
string
Contact's last name
object
Arbitrary key-value attributes from your app to store on the contact. Keys must be alphanumeric with underscores/hyphens (max 50 chars). Values must be primitives: string, number, or boolean (max 500 chars each). Maximum 10 traits per call.