diff --git a/.gitignore b/.gitignore
index 76add87..5deb29a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules
-dist
\ No newline at end of file
+dist
+.idea/
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
index ae11814..65cd296 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -15,25 +15,31 @@ import { WhmcsSupportService } from "./module/support";
 import { WhmcsSystemService } from "./module/system";
 import { WhmcsTicketsService } from "./module/tickets";
 import { WhmcsUsersService } from "./module/users";
+import { WhmcsClientCustom } from "./module/custom";
 
 export default class WhmcsApi {
 
   constructor(private readonly options: WhmcsSetupOptions) { }
 
-  public addons: WhmcsAddonsService = new WhmcsAddonsService(this.options);
-  public affiliates: WhmcsAffiliatesService = new WhmcsAffiliatesService(this.options);
-  public authentication: WhmcsAuthenticationService = new WhmcsAuthenticationService(this.options);
-  public billing: WhmcsBillingService = new WhmcsBillingService(this.options);
-  public client: WhmcsClientService = new WhmcsClientService(this.options);
-  public domains: WhmcsDomainsService = new WhmcsDomainsService(this.options);
-  public module: WhmcsModuleService = new WhmcsModuleService(this.options);
-  public orders: WhmcsOrdersService = new WhmcsOrdersService(this.options);
-  public products: WhmcsProductsService = new WhmcsProductsService(this.options);
-  public projectmanagement: WhmcsProjectManagementService = new WhmcsProjectManagementService(this.options);
-  public servers: WhmcsServersService = new WhmcsServersService(this.options);
-  public service: WhmcsServiceService = new WhmcsServiceService(this.options);
-  public support: WhmcsSupportService = new WhmcsSupportService(this.options);
-  public system: WhmcsSystemService = new WhmcsSystemService(this.options);
-  public tickets: WhmcsTicketsService = new WhmcsTicketsService(this.options);
-  public users: WhmcsUsersService = new WhmcsUsersService(this.options);
+  constructor(options: WhmcsSetupOptions) {
+    WhmcsApi.options = options
+  }
+
+  public addons: WhmcsAddonsService = new WhmcsAddonsService;
+  public affiliates: WhmcsAffiliatesService = new WhmcsAffiliatesService;
+  public authentication: WhmcsAuthenticationService = new WhmcsAuthenticationService;
+  public billing: WhmcsBillingService = new WhmcsBillingService;
+  public client: WhmcsClientService = new WhmcsClientService;
+  public domains: WhmcsDomainsService = new WhmcsDomainsService;
+  public module: WhmcsModuleService = new WhmcsModuleService;
+  public orders: WhmcsOrdersService = new WhmcsOrdersService;
+  public products: WhmcsProductsService = new WhmcsProductsService;
+  public projectmanagement: WhmcsProjectManagementService = new WhmcsProjectManagementService;
+  public servers: WhmcsServersService = new WhmcsServersService;
+  public service: WhmcsServiceService = new WhmcsServiceService;
+  public support: WhmcsSupportService = new WhmcsSupportService;
+  public system: WhmcsSystemService = new WhmcsSystemService;
+  public tickets: WhmcsTicketsService = new WhmcsTicketsService;
+  public users: WhmcsUsersService = new WhmcsUsersService;
+  public custom: WhmcsClientCustom = new WhmcsClientCustom;
 }
\ No newline at end of file
diff --git a/src/module/base.ts b/src/module/base.ts
index 1371ee1..b45317f 100644
--- a/src/module/base.ts
+++ b/src/module/base.ts
@@ -1,25 +1,22 @@
-import got from 'got';
-import { WhmcsSetupOptions } from '../interface/whmcs.setup.options';
+import got from "got";
+import WhmcsApi from "..";
 
 export abstract class BaseModule {
-
-  constructor(private readonly options: WhmcsSetupOptions) { }
-
-  protected async request(methodName: string, options?: any): Promise<any> {
-    options.identifier = this.options.identifier;
-    options.secret = this.options.secret;
+  async request(methodName: string, options?: any): Promise<any> {
+    options.identifier = WhmcsApi.options.identifier;
+    options.secret = WhmcsApi.options.secret;
     options.action = methodName;
-    options.responsetype = 'json';
+    options.responsetype = "json";
 
     return new Promise(async (resolve, reject) => {
       try {
-        const res = await got(this.options.apiUrl, {
-          method: 'post',
-          form: options
+        const res = await got(WhmcsApi.options.apiUrl, {
+          method: "post",
+          form: options,
         });
-  
+
         const data = JSON.parse(res.body);
-  
+
         if (data.result != "success") return reject(data);
         resolve(data);
       } catch (error) {
@@ -27,4 +24,4 @@ export abstract class BaseModule {
       }
     });
   }
-}
\ No newline at end of file
+}
diff --git a/src/module/custom.ts b/src/module/custom.ts
new file mode 100644
index 0000000..ca97114
--- /dev/null
+++ b/src/module/custom.ts
@@ -0,0 +1,7 @@
+import {BaseModule} from "./base";
+
+export class WhmcsClientCustom extends BaseModule {
+    public async call<T>(method: string, options: Record<string, unknown>): Promise<T> {
+        return this.request(method, options);
+    }
+}
\ No newline at end of file