diff --git a/backend/product/tasks.py b/backend/product/tasks.py
index 36491ad..f0e00c4 100644
--- a/backend/product/tasks.py
+++ b/backend/product/tasks.py
@@ -17,13 +17,16 @@ TOROB_WEBHOOK_MIN_INTERVAL_SECONDS = 3.1
 TOROB_WEBHOOK_MAX_RETRIES = 3
 
 
-def _shop_product_url(product: ProductModel) -> str:
+def _shop_product_url(product: ProductModel, variant: ProductVariant | None = None) -> str:
     domain = getattr(settings, "DOMAIN", None) or getattr(settings, "API_DOMAIN", None) or ""
     if domain.startswith("http://") or domain.startswith("https://"):
         base = domain.rstrip("/")
     else:
         base = f"https://{domain}".rstrip("/") if domain else ""
-    return f"{base}/product/{product.slug}/"
+    url = f"{base}/product/{product.slug}/"
+    if variant is not None:
+        url = f"{url}?variant={variant.pk}"
+    return url
 
 
 def _variant_page_unique(product: ProductModel, variant: ProductVariant) -> str:
@@ -124,31 +127,31 @@ def send_torob_product_webhook(product_ids):
         if not product.slug:
             continue
 
-        page_url = _shop_product_url(product)
-        parsed = urlparse(page_url)
-        if not (parsed.scheme in {"http", "https"} and parsed.netloc):
-            logger.warning("Skipping product %s due to invalid page_url: %s", product.pk, page_url)
-            continue
-        hosts.add(parsed.netloc.lower())
-
         variants = list(product.variants.all())
         if not variants:
             continue
 
         for variant in variants:
+            variant_page_url = _shop_product_url(product, variant)
+            parsed = urlparse(variant_page_url)
+            if not (parsed.scheme in {"http", "https"} and parsed.netloc):
+                logger.warning("Skipping variant %s due to invalid page_url: %s", variant.pk, variant_page_url)
+                continue
+            hosts.add(parsed.netloc.lower())
+
             # Validate variant has images before sending to Torob
             # Per spec: image_links is required, so skip variants without images
             images = list(variant.images.all())
             has_product_image = bool(product.image)
             has_variant_images = bool(images)
-            
+
             if not (has_product_image or has_variant_images):
                 logger.debug(f"Skipping variant {variant.pk} for product {product.pk} - no images available")
                 continue
-            
+
             items.append(
                 {
-                    "page_url": page_url,
+                    "page_url": variant_page_url,
                     "page_unique": _variant_page_unique(product, variant),
                 }
             )