diff --git a/package.json b/package.json
index 1590d92..853e433 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.19.58-rc3",
+  "version": "0.19.58-rc4",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/services/BlockchainService/index.ts b/src/services/BlockchainService/index.ts
index 5cda0ff..8ac862e 100644
--- a/src/services/BlockchainService/index.ts
+++ b/src/services/BlockchainService/index.ts
@@ -232,26 +232,31 @@ class BlockchainService {
   );
 
   getPlatformFees = (
-    { assetIn, assetOut, walletAddress }: {
+    { assetIn, assetOut, walletAddress, fromWidget }: {
       assetIn?: string | undefined,
       assetOut?: string | undefined,
-      walletAddress?: string | undefined
+      walletAddress?: string | undefined,
+      fromWidget?: string | undefined
     }
   ) => {
     const url = new URL(`${this.apiUrl}/api/platform-fees`);
-    
-    if (assetIn) {
+
+    if (assetIn !== undefined) {
       url.searchParams.append('assetIn', assetIn);
     }
 
-    if (assetOut) {
+    if (assetOut !== undefined) {
       url.searchParams.append('assetOut', assetOut);
     }
 
-    if (walletAddress) {
+    if (walletAddress !== undefined) {
       url.searchParams.append('walletAddress', walletAddress);
     }
 
+    if (fromWidget !== undefined) {
+      url.searchParams.append('fromWidget', fromWidget);
+    }
+
     return fetchWithValidation(
       url.toString(),
       z.record(z.string()).transform(makePartial),