diff --git a/package.json b/package.json
index 853e433..7205cce 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.19.58-rc4",
+  "version": "0.19.58-rc5",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/services/Aggregator/index.ts b/src/services/Aggregator/index.ts
index 7a220b3..6da1b14 100644
--- a/src/services/Aggregator/index.ts
+++ b/src/services/Aggregator/index.ts
@@ -196,6 +196,7 @@ class Aggregator {
     isCreateInternalOrder: boolean,
     isReversedOrder?: boolean,
     partnerId?: string,
+    fromWidget?: boolean,
   ) => {
     const headers = {
       'Content-Type': 'application/json',
@@ -204,6 +205,7 @@ class Aggregator {
         'X-Reverse-Order': isReversedOrder ? 'true' : 'false',
       },
       ...(partnerId !== undefined) && { 'X-Partner-Id': partnerId },
+      ...(fromWidget !== undefined) && { 'X-From-Widget': fromWidget ? 'true' : 'false' },
       ...this.basicAuthHeaders,
     };
 
diff --git a/src/services/ReferralSystem/index.ts b/src/services/ReferralSystem/index.ts
index 7711906..79d0c0f 100644
--- a/src/services/ReferralSystem/index.ts
+++ b/src/services/ReferralSystem/index.ts
@@ -1,3 +1,4 @@
+import { z } from 'zod';
 import { fetchWithValidation } from 'simple-typed-fetch';
 import {
   errorSchema,
@@ -39,6 +40,12 @@ type SignatureType = {
   signature: string
 };
 
+type submitTransactionDataForWidgetPayload = {
+  partner_domain: string
+  sender_address: string
+  tx_hash: string
+}
+
 class ReferralSystem {
   private readonly apiUrl: string
 
@@ -65,6 +72,7 @@ class ReferralSystem {
     this.getContractsAddresses = this.getContractsAddresses.bind(this);
     this.getClaimInfo = this.getClaimInfo.bind(this);
     this.getAggregatedHistory = this.getAggregatedHistory.bind(this);
+    this.submitTransactionDataForWidget = this.submitTransactionDataForWidget.bind(this);
   }
 
   getLink = (refererAddress: string) =>
@@ -264,6 +272,20 @@ class ReferralSystem {
       errorSchema
     );
   };
+
+  submitTransactionDataForWidget = (payload: submitTransactionDataForWidgetPayload) => {
+    return fetchWithValidation(
+      `${this.apiUrl}/referer/widget/submit`,
+      z.unknown(),
+      {
+        headers: {
+          'Content-type': 'application/json',
+        },
+        method: 'POST',
+        body: JSON.stringify(payload)
+      }
+    );
+  };
 }
 
 export * as schemas from './schemas/index.js';