{
  "summary": "Create a return shipment",
  "description": "Example request and response for creating a Royal Mail tracked return label.",
  "request": {
    "service": {
      "serviceCode": "TSN",
      "serviceRegisterCode": ""
    },
    "shipment": {
      "shippingAddress": {
        "firstName": "Jane",
        "lastName": "Smith",
        "addressLine1": "10 Downing Street",
        "city": "London",
        "postcode": "SW1A 2AA",
        "country": "United Kingdom",
        "countryIsoCode": "GB"
      },
      "returnAddress": {
        "companyName": "Example Shop Ltd",
        "addressLine1": "1 Warehouse Road",
        "city": "Manchester",
        "postcode": "M1 1AE",
        "country": "United Kingdom",
        "countryIsoCode": "GB"
      },
      "customerReference": {
        "reference": "RETURN-ORD-2026-001"
      }
    }
  },
  "response": {
    "shipment": {
      "trackingNumber": "TR123456789GB",
      "uniqueItemId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
    },
    "qrCode": "iVBORw0KGgoAAAANSUhEUgAAAMgAAADI...",
    "label": "JVBERi0xLjQKJeLjz9MKMSAwIG9iago8PAovVHlwZSAvQ2F0YWxvZw..."
  }
}