Identify a contact and sync attributes from your app
POST
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.
Field selectionChoose which fields should be included in the response. Learn more
string
Comma-separated response fields to include.