diff --git a/package-lock.json b/package-lock.json
index 95c6af63..492c6357 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "copyfiles": "^2.4.1",
         "express": "^5",
         "mongoose": "^8.9.4",
-        "warframe-public-export-plus": "^0.5.22",
+        "warframe-public-export-plus": "^0.5.23",
         "warframe-riven-info": "^0.1.2",
         "winston": "^3.17.0",
         "winston-daily-rotate-file": "^5.0.0"
@@ -3778,9 +3778,9 @@
       }
     },
     "node_modules/warframe-public-export-plus": {
-      "version": "0.5.22",
-      "resolved": "https://registry.npmjs.org/warframe-public-export-plus/-/warframe-public-export-plus-0.5.22.tgz",
-      "integrity": "sha512-IbOW7ndE17ceyd7IjRy1U1p3P0Q7Q1/E26N04+ha/gG5FIdLpZDR9kLzyHGlnBLDSl2Jro6rxgOq0wZ/0i0w3g=="
+      "version": "0.5.23",
+      "resolved": "https://registry.npmjs.org/warframe-public-export-plus/-/warframe-public-export-plus-0.5.23.tgz",
+      "integrity": "sha512-AJLivzXpon+UDm+SYq3wIXiP4OXCDOgXvCG1VLawJrHW3VDff+NpsUJApBPA4S8oZ8N8NPyBVKBvuoF2Pplaeg=="
     },
     "node_modules/warframe-riven-info": {
       "version": "0.1.2",
diff --git a/package.json b/package.json
index d831da5b..f0408d92 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "copyfiles": "^2.4.1",
     "express": "^5",
     "mongoose": "^8.9.4",
-    "warframe-public-export-plus": "^0.5.22",
+    "warframe-public-export-plus": "^0.5.23",
     "warframe-riven-info": "^0.1.2",
     "winston": "^3.17.0",
     "winston-daily-rotate-file": "^5.0.0"
diff --git a/src/services/purchaseService.ts b/src/services/purchaseService.ts
index 816a0c68..dc2fadf4 100644
--- a/src/services/purchaseService.ts
+++ b/src/services/purchaseService.ts
@@ -50,23 +50,25 @@ export const handlePurchase = async (
     const inventoryChanges: IInventoryChanges = {};
     if (purchaseRequest.PurchaseParams.Source == 7) {
         const manifest = getVendorManifestByOid(purchaseRequest.PurchaseParams.SourceId!);
-        if (!manifest) {
-            throw new Error(`unknown vendor id: ${purchaseRequest.PurchaseParams.SourceId!}`);
+        if (manifest) {
+            const ItemId = (JSON.parse(purchaseRequest.PurchaseParams.ExtraPurchaseInfoJson!) as { ItemId: string })
+                .ItemId;
+            const offer = manifest.VendorInfo.ItemManifest.find(x => x.Id.$oid == ItemId);
+            if (!offer) {
+                throw new Error(`unknown vendor offer: ${ItemId}`);
+            }
+            if (offer.ItemPrices) {
+                await handleItemPrices(
+                    accountId,
+                    offer.ItemPrices,
+                    purchaseRequest.PurchaseParams.Quantity,
+                    inventoryChanges
+                );
+            }
+            purchaseRequest.PurchaseParams.Quantity *= offer.QuantityMultiplier;
+        } else if (!ExportVendors[purchaseRequest.PurchaseParams.SourceId!]) {
+            throw new Error(`unknown vendor: ${purchaseRequest.PurchaseParams.SourceId!}`);
         }
-        const ItemId = (JSON.parse(purchaseRequest.PurchaseParams.ExtraPurchaseInfoJson!) as { ItemId: string }).ItemId;
-        const offer = manifest.VendorInfo.ItemManifest.find(x => x.Id.$oid == ItemId);
-        if (!offer) {
-            throw new Error(`unknown vendor offer: ${ItemId}`);
-        }
-        if (offer.ItemPrices) {
-            await handleItemPrices(
-                accountId,
-                offer.ItemPrices,
-                purchaseRequest.PurchaseParams.Quantity,
-                inventoryChanges
-            );
-        }
-        purchaseRequest.PurchaseParams.Quantity *= offer.QuantityMultiplier;
     }
 
     const purchaseResponse = await handleStoreItemAcquisition(
@@ -126,7 +128,7 @@ export const handlePurchase = async (
             if (purchaseRequest.PurchaseParams.SourceId! in ExportVendors) {
                 const vendor = ExportVendors[purchaseRequest.PurchaseParams.SourceId!];
                 const offer = vendor.items.find(x => x.storeItem == purchaseRequest.PurchaseParams.StoreItem);
-                if (offer) {
+                if (offer && offer.itemPrices) {
                     await handleItemPrices(
                         accountId,
                         offer.itemPrices,