diff --git a/packages/analytics-js/__tests__/components/configManager/validate.test.ts b/packages/analytics-js/__tests__/components/configManager/validate.test.ts
index 4838f41fc..33a3cf715 100644
--- a/packages/analytics-js/__tests__/components/configManager/validate.test.ts
+++ b/packages/analytics-js/__tests__/components/configManager/validate.test.ts
@@ -46,8 +46,12 @@ describe('Config manager util - validate load arguments', () => {
   });
   describe('getDataServiceUrl', () => {
     it('should return dataServiceUrl', () => {
-      const dataServiceUrl = getDataServiceUrl('rsaRequest');
-      expect(dataServiceUrl).toBe('http://test-host.com/rsaRequest');
+      const dataServiceUrl = getDataServiceUrl('endpoint');
+      expect(dataServiceUrl).toBe('http://test-host.com/endpoint');
+    });
+    it('should prepare the dataServiceUrl with endpoint without leading slash', () => {
+      const dataServiceUrl = getDataServiceUrl('/endpoint');
+      expect(dataServiceUrl).toBe('http://test-host.com/endpoint');
     });
   });
 });
diff --git a/packages/analytics-js/src/components/configManager/util/validate.ts b/packages/analytics-js/src/components/configManager/util/validate.ts
index 28669d02f..55380ba8a 100644
--- a/packages/analytics-js/src/components/configManager/util/validate.ts
+++ b/packages/analytics-js/src/components/configManager/util/validate.ts
@@ -60,7 +60,8 @@ const getTopDomainUrl = (url: string) => {
 
 const getDataServiceUrl = (endpoint: string) => {
   const url = getTopDomainUrl(window.location.href);
-  return `${url}/${endpoint}`;
+  const formattedEndpoint = endpoint.startsWith('/') ? endpoint.substring(1) : endpoint;
+  return `${url}/${formattedEndpoint}`;
 };
 
 export {