import { createAdminClient } from '@spree/admin-sdk'

const client = createAdminClient({
  baseUrl: 'https://your-store.com',
  secretKey: 'sk_xxx',
})

const { data: labels } = await client.orders.returns.labels.list('or_UkLWZg9DAJ', 'ret_UkLWZg9DAJ')

spree api get /orders/{order_id}/returns/{return_id}/labels

{
  "data": [
    {
      "id": "lbl_UkLWZg9DAJ",
      "source": "purchased",
      "status": "purchased",
      "carrier": "ups",
      "carrier_name": "UPS",
      "service": "Ground",
      "tracking_number": "1Z879E930346830006",
      "currency": "USD",
      "format": "pdf",
      "external_id": "shp_3",
      "metadata": {},
      "refunded_at": null,
      "created_at": "2026-01-15T12:00:00.000Z",
      "updated_at": "2026-01-15T12:00:00.000Z",
      "owner_id": "ret_UkLWZg9DAJ",
      "owner_type": "return",
      "cost": "7.25",
      "integration_id": null,
      "file_pending": false,
      "download_url": null
    }
  ],
  "meta": {
    "page": 1,
    "limit": 25,
    "count": 1,
    "pages": 1,
    "from": 1,
    "to": 1,
    "in": 1,
    "previous": null,
    "next": null
  }
}