diff --git a/packages/graphql/api/base.ts b/packages/graphql/api/base.ts
index c35cb83..5ce1f14 100644
--- a/packages/graphql/api/base.ts
+++ b/packages/graphql/api/base.ts
@@ -2,6 +2,7 @@
 import { getClientWithToken } from '../apollo/client';
 import { ERRORS as SHARED_ERRORS } from '../constants/errors';
 import * as GQL from '../types';
+import { type ApolloClient, type NormalizedCacheObject } from '@apollo/client';
 import { isCustomerBanned } from '@repo/utils/customer';
 
 export const ERRORS = {
@@ -16,16 +17,20 @@ type UserProfile = {
 export class BaseService {
   protected _user: UserProfile;
 
+  protected graphQL: ApolloClient<NormalizedCacheObject> | null;
+
   constructor(user: UserProfile) {
     if (!user?.telegramId) {
       throw new Error(ERRORS.MISSING_TELEGRAM_ID);
     }
 
     this._user = user;
+
+    this.graphQL = null;
   }
 
   protected async _getUser() {
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetCustomerDocument,
@@ -44,7 +49,7 @@ export class BaseService {
   }
 
   protected async checkIsBanned() {
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetCustomerDocument,
@@ -61,4 +66,10 @@ export class BaseService {
 
     return { customer };
   }
+
+  protected async getGraphQLClient() {
+    if (!this.graphQL) this.graphQL = await getClientWithToken();
+
+    return this.graphQL;
+  }
 }
diff --git a/packages/graphql/api/customers.ts b/packages/graphql/api/customers.ts
index 6ad7f77..31c56a0 100644
--- a/packages/graphql/api/customers.ts
+++ b/packages/graphql/api/customers.ts
@@ -1,4 +1,3 @@
-import { getClientWithToken } from '../apollo/client';
 import { ERRORS } from '../constants/errors';
 import * as GQL from '../types';
 import { BaseService } from './base';
@@ -17,7 +16,7 @@ export class CustomersService extends BaseService {
       throw new Error(ERRORS.NO_PERMISSION);
     }
 
-    const { mutate, query } = await getClientWithToken();
+    const { mutate, query } = await this.getGraphQLClient();
     const getInvitedByResult = await query({
       query: GQL.GetInvitedByDocument,
       variables,
@@ -46,7 +45,7 @@ export class CustomersService extends BaseService {
   }
 
   async getCustomer(variables: VariablesOf<typeof GQL.GetCustomerDocument>) {
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetCustomerDocument,
@@ -61,7 +60,7 @@ export class CustomersService extends BaseService {
   async getCustomers(variables: VariablesOf<typeof GQL.GetCustomersDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetCustomersDocument,
@@ -77,7 +76,7 @@ export class CustomersService extends BaseService {
   async getInvited(variables?: VariablesOf<typeof GQL.GetInvitedDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetInvitedDocument,
@@ -92,7 +91,7 @@ export class CustomersService extends BaseService {
   async getInvitedBy(variables?: VariablesOf<typeof GQL.GetInvitedByDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetInvitedByDocument,
@@ -116,7 +115,7 @@ export class CustomersService extends BaseService {
       throw new Error(ERRORS.NO_PERMISSION);
     }
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.UpdateCustomerDocument,
diff --git a/packages/graphql/api/orders.ts b/packages/graphql/api/orders.ts
index e062487..4278f36 100644
--- a/packages/graphql/api/orders.ts
+++ b/packages/graphql/api/orders.ts
@@ -1,6 +1,5 @@
 /* eslint-disable sonarjs/cognitive-complexity */
 /* eslint-disable @typescript-eslint/naming-convention */
-import { getClientWithToken } from '../apollo/client';
 import { ERRORS as SHARED_ERRORS } from '../constants/errors';
 import * as GQL from '../types';
 import { BaseService } from './base';
@@ -123,7 +122,7 @@ export class OrdersService extends BaseService {
 
     const isSlotMaster = slot.master.documentId === customer.documentId;
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.CreateOrderDocument,
@@ -145,7 +144,7 @@ export class OrdersService extends BaseService {
 
   async getOrder(variables: VariablesOf<typeof GQL.GetOrderDocument>) {
     await this.checkIsBanned();
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetOrderDocument,
@@ -157,7 +156,7 @@ export class OrdersService extends BaseService {
 
   async getOrders(variables: VariablesOf<typeof GQL.GetOrdersDocument>) {
     await this.checkIsBanned();
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetOrdersDocument,
@@ -177,7 +176,7 @@ export class OrdersService extends BaseService {
 
     const { customer } = await this._getUser();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const {
       data: { order },
@@ -204,7 +203,7 @@ export class OrdersService extends BaseService {
       throw new Error(SHARED_ERRORS.NO_PERMISSION);
     }
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const lastOrderNumber = await this.getLastOrderNumber(variables);
 
diff --git a/packages/graphql/api/services.ts b/packages/graphql/api/services.ts
index 24b7a3d..454e07f 100644
--- a/packages/graphql/api/services.ts
+++ b/packages/graphql/api/services.ts
@@ -1,4 +1,3 @@
-import { getClientWithToken } from '../apollo/client';
 import { ERRORS } from '../constants/errors';
 import * as GQL from '../types';
 import { BaseService } from './base';
@@ -10,7 +9,7 @@ export class ServicesService extends BaseService {
 
     const { customer } = await this._getUser();
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.CreateServiceDocument,
@@ -32,7 +31,7 @@ export class ServicesService extends BaseService {
   async getService(variables: VariablesOf<typeof GQL.GetServiceDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetServiceDocument,
@@ -45,7 +44,7 @@ export class ServicesService extends BaseService {
   async getServices(variables: VariablesOf<typeof GQL.GetServicesDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetServicesDocument,
@@ -60,7 +59,7 @@ export class ServicesService extends BaseService {
 
     await this.checkPermission(variables);
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.UpdateServiceDocument,
diff --git a/packages/graphql/api/slots.ts b/packages/graphql/api/slots.ts
index 506d1f8..3892638 100644
--- a/packages/graphql/api/slots.ts
+++ b/packages/graphql/api/slots.ts
@@ -1,5 +1,4 @@
 /* eslint-disable @typescript-eslint/naming-convention */
-import { getClientWithToken } from '../apollo/client';
 import { ERRORS as SHARED_ERRORS } from '../constants/errors';
 import * as GQL from '../types';
 import { BaseService } from './base';
@@ -30,7 +29,7 @@ export class SlotsService extends BaseService {
 
     const { customer } = await this._getUser();
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.CreateSlotDocument,
@@ -60,7 +59,7 @@ export class SlotsService extends BaseService {
       throw new Error(ERRORS.SLOT_HAS_ORDERS);
     }
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.DeleteSlotDocument,
@@ -102,7 +101,7 @@ export class SlotsService extends BaseService {
       0,
     );
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const getSlotsResult = await query({
       query: GQL.GetSlotsOrdersDocument,
@@ -154,7 +153,7 @@ export class SlotsService extends BaseService {
   async getSlot(variables: VariablesOf<typeof GQL.GetSlotDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetSlotDocument,
@@ -167,7 +166,7 @@ export class SlotsService extends BaseService {
   async getSlots(variables: VariablesOf<typeof GQL.GetSlotsDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetSlotsDocument,
@@ -183,7 +182,7 @@ export class SlotsService extends BaseService {
     await this.checkPermission(variables);
     await this.checkBeforeUpdateDatetime(variables);
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.UpdateSlotDocument,
diff --git a/packages/graphql/api/subscriptions.ts b/packages/graphql/api/subscriptions.ts
index 8d8a7f3..ecec280 100644
--- a/packages/graphql/api/subscriptions.ts
+++ b/packages/graphql/api/subscriptions.ts
@@ -1,4 +1,3 @@
-import { getClientWithToken } from '../apollo/client';
 import * as GQL from '../types';
 import { BaseService } from './base';
 import { OrdersService } from './orders';
@@ -86,7 +85,7 @@ export class SubscriptionsService extends BaseService {
   async createSubscription(variables: VariablesOf<typeof GQL.CreateSubscriptionDocument>) {
     await this.checkIsBanned();
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.CreateSubscriptionDocument,
@@ -104,7 +103,7 @@ export class SubscriptionsService extends BaseService {
   ) {
     await this.checkIsBanned();
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.CreateSubscriptionHistoryDocument,
@@ -209,7 +208,7 @@ export class SubscriptionsService extends BaseService {
   }
 
   async getSubscriptionHistory(variables: VariablesOf<typeof GQL.GetSubscriptionHistoryDocument>) {
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetSubscriptionHistoryDocument,
@@ -224,7 +223,7 @@ export class SubscriptionsService extends BaseService {
   async getSubscriptionPrices(variables?: VariablesOf<typeof GQL.GetSubscriptionPricesDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetSubscriptionPricesDocument,
@@ -237,7 +236,7 @@ export class SubscriptionsService extends BaseService {
   async getSubscriptions(variables?: VariablesOf<typeof GQL.GetSubscriptionsDocument>) {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetSubscriptionsDocument,
@@ -250,7 +249,7 @@ export class SubscriptionsService extends BaseService {
   async getSubscriptionSettings() {
     await this.checkIsBanned();
 
-    const { query } = await getClientWithToken();
+    const { query } = await this.getGraphQLClient();
 
     const result = await query({
       query: GQL.GetSubscriptionSettingsDocument,
@@ -262,7 +261,7 @@ export class SubscriptionsService extends BaseService {
   async updateSubscription(variables: VariablesOf<typeof GQL.UpdateSubscriptionDocument>) {
     await this.checkIsBanned();
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.UpdateSubscriptionDocument,
@@ -280,7 +279,7 @@ export class SubscriptionsService extends BaseService {
   ) {
     await this.checkIsBanned();
 
-    const { mutate } = await getClientWithToken();
+    const { mutate } = await this.getGraphQLClient();
 
     const mutationResult = await mutate({
       mutation: GQL.UpdateSubscriptionHistoryDocument,