diff --git a/adapters/taboola/taboola.go b/adapters/taboola/taboola.go
index 9d950bef2cb..6621c78f6eb 100644
--- a/adapters/taboola/taboola.go
+++ b/adapters/taboola/taboola.go
@@ -131,7 +131,14 @@ func (a *adapter) buildRequest(request *openrtb2.BidRequest) (*adapters.RequestD
 		return nil, fmt.Errorf("unsupported media type for imp: %v", request.Imp[0])
 	}
 
-	url, err := a.buildEndpointURL(request.Site.ID, mediaType)
+	var taboolaPublisherId string
+	if request.Site != nil && request.Site.ID != "" {
+		taboolaPublisherId = request.Site.ID
+	} else if request.App != nil && request.App.ID != "" {
+		taboolaPublisherId = request.App.ID
+	}
+
+	url, err := a.buildEndpointURL(taboolaPublisherId, mediaType)
 	if err != nil {
 		return nil, err
 	}
@@ -207,22 +214,20 @@ func createTaboolaRequests(request *openrtb2.BidRequest) (taboolaRequests []*ope
 		ID: taboolaExt.PublisherId,
 	}
 
-	if modifiedRequest.Site == nil {
-		newSite := &openrtb2.Site{
-			ID:        taboolaExt.PublisherId,
-			Name:      taboolaExt.PublisherId,
-			Domain:    evaluateDomain(taboolaExt.PublisherDomain, request),
-			Publisher: publisher,
-		}
-		modifiedRequest.Site = newSite
-	} else {
+	if modifiedRequest.Site != nil {
 		modifiedSite := *modifiedRequest.Site
-		modifiedSite.Publisher = publisher
 		modifiedSite.ID = taboolaExt.PublisherId
 		modifiedSite.Name = taboolaExt.PublisherId
 		modifiedSite.Domain = evaluateDomain(taboolaExt.PublisherDomain, request)
+		modifiedSite.Publisher = publisher
 		modifiedRequest.Site = &modifiedSite
 	}
+	if modifiedRequest.App != nil {
+		modifiedApp := *modifiedRequest.App
+		modifiedApp.ID = taboolaExt.PublisherId
+		modifiedApp.Publisher = publisher
+		modifiedRequest.App = &modifiedApp
+	}
 
 	if taboolaExt.BCat != nil {
 		modifiedRequest.BCat = taboolaExt.BCat
diff --git a/adapters/taboola/taboolatest/supplemental/emptySiteInRequest.json b/adapters/taboola/taboolatest/exemplary/bannerAppRequest.json
similarity index 93%
rename from adapters/taboola/taboolatest/supplemental/emptySiteInRequest.json
rename to adapters/taboola/taboolatest/exemplary/bannerAppRequest.json
index 3245290f756..34322399a00 100644
--- a/adapters/taboola/taboolatest/supplemental/emptySiteInRequest.json
+++ b/adapters/taboola/taboolatest/exemplary/bannerAppRequest.json
@@ -23,13 +23,14 @@
         "ext": {
           "bidder": {
             "publisherId": "publisher-id",
-            "tagid": "tag-id"
+            "tagid": "tag-id",
+            "tagId": "tag-Id"
           }
         }
       }
     ],
     "app": {
-      "domain": "http://domain.com"
+      "bundle": "com.app.my"
     },
     "device": {
       "ua": "Mozilla/5.0 (Linux; Android 12; Pixel 6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.62 Mobile Safari/537.36",
@@ -62,21 +63,19 @@
                   }
                 ]
               },
-              "tagid" : "tag-id",
+              "tagid" : "tag-Id",
               "ext": {
                 "bidder": {
                   "publisherId": "publisher-id",
-                  "tagid": "tag-id"
+                  "tagid": "tag-id",
+                  "tagId": "tag-Id"
                 }
               }
             }
           ],
           "app": {
-            "domain": "http://domain.com"
-          },
-          "site": {
             "id": "publisher-id",
-            "name": "publisher-id",
+            "bundle": "com.app.my",
             "publisher": {
               "id": "publisher-id"
             }