diff --git a/src/api/RequestBuilder.ts b/src/api/RequestBuilder.ts
index 4f8e924..cb7ceee 100644
--- a/src/api/RequestBuilder.ts
+++ b/src/api/RequestBuilder.ts
@@ -11,57 +11,44 @@ export interface RequestData {
 }
 
 export class RequestBuilder {
-  private endpoint: string = '';
-  private queryParams: Record<string, string | number | boolean | Array<any> | null> | null = null;
-  private httpHeaders: HttpHeaders = new HttpHeaders();
-  private data: any = null;
-  private silenceMode: boolean = false;
-  private withCredentials: boolean = false;
+  private result: RequestData = Object.create({});
 
   constructor() {
   }
 
   public setEndpoint(endpoint: string): this {
-    this.endpoint = endpoint;
+    this.result.endpoint = endpoint;
     return this;
   }
 
   public setQueryParams(queryParams: Record<string, string | number | boolean | Array<any> | null>): RequestBuilder {
-    this.queryParams = queryParams;
+    this.result.queryParams = queryParams;
     return this;
   }
 
   public addHeaders(headers: Record<string, string>): RequestBuilder {
     Object.keys(headers).forEach(key => {
-      this.httpHeaders = this.httpHeaders.set(key, headers[key]);
+      this.result.httpHeaders = this.result.httpHeaders.set(key, headers[key]);
     });
     return this;
   }
 
   public setData(data: any): RequestBuilder {
-    this.data = data;
+    this.result.data = data;
     return this;
   }
 
   public setSilenceMode(silence: boolean = true): RequestBuilder {
-    this.silenceMode = silence;
+    this.result.silenceMode = silence;
     return this;
   }
 
   public setWithCredentials(credentials: boolean = true): RequestBuilder {
-    this.withCredentials = credentials;
+    this.result.withCredentials = credentials;
     return this;
   }
 
   public get build(): RequestData {
-    return {
-      endpoint: this.endpoint,
-      queryParams: this.queryParams,
-      httpHeaders: this.httpHeaders,
-      data: this.data,
-      silenceMode: this.silenceMode,
-      withCredentials: this.withCredentials,
-      needAuth: false
-    };
+    return this.result;
   }
 }