List Custom Attributes (Admin)
Merchant Config
List custom attributes
List all custom review attributes configured for a merchant including their type, options, and display settings.
GET
List Custom Attributes (Admin)
GET {BASE_URL}/admin/merchants/{merchantId}/custom-attributes
Attribute state machine
Promoted attributes auto-lock on first review submission (draft → locked). Changing queryable or promotedSlot on a locked attribute requires confirmation and moves the state to invalidated. While invalidated, custom attribute filters return 400 FILTERS_DISABLED.