curl -X POST "https://your-store.myshopify.com/apps/proxy_genlook-x/public/fitting-room" \
  -H "Content-Type: application/json" \
  -d '{
    "userImageId": "customer-media/acc_123/file_abc123xyz.jpg",
    "productId": "gid://shopify/Product/1234567890",
    "variantId": "gid://shopify/ProductVariant/123456"
  }'

const response = await fetch('/apps/proxy_genlook-x/public/fitting-room', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    userImageId: 'customer-media/acc_123/file_abc123xyz.jpg',
    productId: 'gid://shopify/Product/1234567890',
    variantId: 'gid://shopify/ProductVariant/123456'
  })
});
const result = await response.json();

{
  "jobId": "gen_xyz789abc",
  "message": "Generation job created successfully"
}

{
  "jobId": "",
  "message": "Monthly generation quota exceeded",
  "code": "QUOTA_EXCEEDED"
}