ShipmentDocuments

bundled_url
Type: stringnullable
required

Combined label and packing slip, or pickup slip URL. This presigned URL is valid for up to 1 hour; re-fetch the shipment with GET /shipments/{shipment_id} for a fresh link.
commercial_invoice_url
Type: stringnullable
required

Commercial invoice URL from the label provider, if one was issued.
label_url
Type: stringnullable
required

Shipping label URL, if available. Usually hosted by the label provider, which sets how long it stays valid.