status is COMPLETED — call GET /v2/orders/{orderId} first to confirm completion before requesting items.
Endpoint
GET /v2/orders/{orderId}/itemsPath Parameters
Example Request
Response — 200 OK
Response Fields
For large orders, consider using
GET /v2/orders/{orderId}/fulfillments/export instead — it returns a single CSV download URL containing all codes, which is more efficient than paginating through items.