curl -X PATCH "https://api.liquid.tf/api/dev/buy_order" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_SITE_API_KEY" \
  -d '{
    "items": [{
      "sku": "5021;6",
      "price": 17000,
      "quantity": 8,
      "active": 1,
      "user_note": "Updated price - looking for quick sale"
    }]
  }'

const response = await fetch('https://api.liquid.tf/api/dev/buy_order', {
  method: 'PATCH',
  headers: {
    'Content-Type': 'application/json',
    'X-API-Key': 'YOUR_SITE_API_KEY'
  },
  body: JSON.stringify({
    items: [{
      sku: '5021;6',
      price: 17000,
      quantity: 8,
      active: 1,
      user_note: 'Updated price - looking for quick sale'
    }]
  })
});

const data = await response.json();

import requests

response = requests.patch(
    'https://api.liquid.tf/api/dev/buy_order',
    headers={'X-API-Key': 'YOUR_SITE_API_KEY'},
    json={
        'items': [{
            'sku': '5021;6',
            'price': 17000,
            'quantity': 8,
            'active': 1,
            'user_note': 'Updated price - looking for quick sale'
        }]
    }
)

data = response.json()

{
  "success": true
}