curl -sS -X PATCH 'https://apipub.firstbasehq.com/api/v1/return-orders/{returnOrderId}/items' \
  -H 'Authorization: ApiKey YOUR_API_KEY' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
    "items": []
  }'

import requests

url = "https://apipub.firstbasehq.com/api/v1/return-orders/{returnOrderId}/items"

payload = { "items": [] }
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({items: []})
};

fetch('https://apipub.firstbasehq.com/api/v1/return-orders/{returnOrderId}/items', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "returnOrderId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "updatedItemCount": 123,
  "items": [
    {
      "id": "123E4567-E89B-12D3-A456-426614174000",
      "skuId": "123E4567-E89B-12D3-A456-426614174000",
      "title": "iPad Air - Silver, 64GB, WiFi",
      "categoryCode": "COMPUTER",
      "status": "PROCESSING",
      "itad": false,
      "shipment": {
        "trackingUrl": "<string>",
        "trackingCode": "1Z00000000",
        "carrier": "UPS",
        "status": "DELIVERED",
        "trackingHistory": [
          {
            "status": "IN_TRANSIT",
            "timestamp": "2023-11-07T05:31:56Z"
          }
        ]
      },
      "returnReason": "OFFBOARDING",
      "inventoryId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "retrievalMethodStatus": "DELIVERED",
      "inboundTrackingLink": "https://tracking.example.com/123456",
      "inboundCarrier": "UPS",
      "inboundTrackingCode": "1Z999AA10123456784",
      "outboundTrackingLink": "https://tracking.example.com/789012",
      "outboundCarrier": "FedEx",
      "outboundTrackingCode": "1Z999AA10567890123",
      "vendorSku": "APL-MK183LL/A",
      "vendorCode": "APPLE",
      "serialNumber": "<string>",
      "holdRequested": true
    }
  ]
}

{
  "errors": [
    {
      "detail": "Invalid request",
      "source": "request"
    }
  ]
}

{
  "errors": [
    {
      "detail": "Invalid request",
      "source": "request"
    }
  ]
}

{
  "errors": [
    {
      "detail": "Invalid request",
      "source": "request"
    }
  ]
}

{
  "errors": [
    {
      "detail": "Invalid request",
      "source": "request"
    }
  ]
}