diff --git a/src/app.module.ts b/src/app.module.ts
index aa872bb..b809cb4 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -30,7 +30,9 @@ import { SubscriptionsModule } from './modules/subscriptions/subscriptions.modul
       useFactory: (configService: ConfigService) => ({
         redis: {
           host: configService.get('app.redis.host'),
-          port: configService.get('app.redis.port'),
+          port: configService.get('app.redis.port'), 
+          password: configService.get('app.redis.password'), 
+
         },
       }),
       inject: [ConfigService],
@@ -41,7 +43,9 @@ import { SubscriptionsModule } from './modules/subscriptions/subscriptions.modul
         store: redisStore,
         host: configService.get('app.redis.host'),
         port: configService.get('app.redis.port'),
+        password: configService.get('app.redis.password'), 
         ttl: 600, // 10 minutes default
+        
       }),
       inject: [ConfigService],
       isGlobal: true,
diff --git a/src/common/commonde.module.ts b/src/common/commonde.module.ts
new file mode 100644
index 0000000..a193691
--- /dev/null
+++ b/src/common/commonde.module.ts
@@ -0,0 +1,59 @@
+import { Module } from '@nestjs/common';
+import Redis from 'ioredis';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { RedisCacheService } from './services/cache.redis';
+ 
+/**
+ * Module pour le challenge OTP
+ * Gère l'injection de dépendances et la configuration
+ */
+@Module({
+  imports: [
+    
+  ],
+  controllers: [],
+  providers: [
+    
+   {
+      provide: 'REDIS_CLIENT',
+      useFactory: (configService: ConfigService) => {
+        const redisConfig = {
+          host: configService.get('REDIS_HOST', 'localhost'),
+          port: configService.get('REDIS_PORT', 6379),
+          password: configService.get('REDIS_PASSWORD'), // ⚠️ Important
+          db: configService.get('REDIS_DB', 0),
+          keyPrefix: configService.get('REDIS_KEY_PREFIX', 'app:'),
+          retryStrategy: (times) => {
+            const delay = Math.min(times * 50, 2000);
+            return delay;
+          },
+          maxRetriesPerRequest: 3,
+          enableOfflineQueue: false,
+          lazyConnect: false, // Connexion immédiate
+        };
+
+        const redis = new Redis(redisConfig);
+
+        // Gestion des événements de connexion
+        redis.on('connect', () => {
+          console.log('✅ Redis connected successfully');
+        });
+
+        redis.on('error', (err) => {
+          console.error('❌ Redis connection error:', err.message);
+        });
+
+        redis.on('ready', () => {
+          console.log('✅ Redis is ready');
+        });
+
+        return redis;
+      },
+      inject: [ConfigService],
+    },
+     
+    RedisCacheService,
+  ],
+  exports: [RedisCacheService],
+})
+export class CommonModule {}
\ No newline at end of file
diff --git a/src/common/services/cache.redis.ts b/src/common/services/cache.redis.ts
new file mode 100644
index 0000000..f0982e9
--- /dev/null
+++ b/src/common/services/cache.redis.ts
@@ -0,0 +1,252 @@
+import { Injectable, Inject, Logger } from '@nestjs/common';
+import { Redis } from 'ioredis';
+
+export interface CacheOptions {
+  ttl?: number; // Time to live en secondes
+  prefix?: string; // Préfixe pour les clés
+}
+
+@Injectable()
+export class RedisCacheService {
+  private readonly logger = new Logger(RedisCacheService.name);
+  private readonly DEFAULT_TTL = 300; // 5 minutes
+
+  constructor(@Inject('REDIS_CLIENT') private readonly redis: Redis) {}
+
+  /**
+   * Sauvegarder une valeur dans le cache
+   */
+  async set<T>(
+    key: string,
+    value: T,
+    options?: CacheOptions
+  ): Promise<void> {
+    try {
+      const fullKey = this.buildKey(key, options?.prefix);
+      const serializedValue = JSON.stringify(value);
+      const ttl = options?.ttl || this.DEFAULT_TTL;
+
+      await this.redis.setex(fullKey, ttl, serializedValue);
+      
+      this.logger.debug(`Cache set: ${fullKey} (TTL: ${ttl}s)`);
+    } catch (error) {
+      this.logger.error(`Failed to set cache for key ${key}:`, error);
+      throw error;
+    }
+  }
+
+  /**
+   * Récupérer une valeur depuis le cache
+   */
+  async get<T>(key: string, prefix?: string): Promise<T | null> {
+    try {
+      const fullKey = this.buildKey(key, prefix);
+      const data = await this.redis.get(fullKey);
+
+      if (!data) {
+        this.logger.debug(`Cache miss: ${fullKey}`);
+        return null;
+      }
+
+      this.logger.debug(`Cache hit: ${fullKey}`);
+      return JSON.parse(data) as T;
+    } catch (error) {
+      this.logger.error(`Failed to get cache for key ${key}:`, error);
+      return null;
+    }
+  }
+
+  /**
+   * Supprimer une valeur du cache
+   */
+  async delete(key: string, prefix?: string): Promise<boolean> {
+    try {
+      const fullKey = this.buildKey(key, prefix);
+      const result = await this.redis.del(fullKey);
+      
+      this.logger.debug(`Cache delete: ${fullKey}`);
+      return result > 0;
+    } catch (error) {
+      this.logger.error(`Failed to delete cache for key ${key}:`, error);
+      return false;
+    }
+  }
+
+  /**
+   * Vérifier si une clé existe
+   */
+  async exists(key: string, prefix?: string): Promise<boolean> {
+    try {
+      const fullKey = this.buildKey(key, prefix);
+      const result = await this.redis.exists(fullKey);
+      return result === 1;
+    } catch (error) {
+      this.logger.error(`Failed to check existence for key ${key}:`, error);
+      return false;
+    }
+  }
+
+  /**
+   * Mettre à jour le TTL d'une clé
+   */
+  async updateTTL(key: string, ttl: number, prefix?: string): Promise<boolean> {
+    try {
+      const fullKey = this.buildKey(key, prefix);
+      const result = await this.redis.expire(fullKey, ttl);
+      return result === 1;
+    } catch (error) {
+      this.logger.error(`Failed to update TTL for key ${key}:`, error);
+      return false;
+    }
+  }
+
+  /**
+   * Récupérer le TTL restant d'une clé
+   */
+  async getTTL(key: string, prefix?: string): Promise<number> {
+    try {
+      const fullKey = this.buildKey(key, prefix);
+      return await this.redis.ttl(fullKey);
+    } catch (error) {
+      this.logger.error(`Failed to get TTL for key ${key}:`, error);
+      return -1;
+    }
+  }
+
+  /**
+   * Supprimer toutes les clés avec un préfixe donné
+   */
+  async deleteByPrefix(prefix: string): Promise<number> {
+    try {
+      const pattern = `${prefix}*`;
+      const keys = await this.redis.keys(pattern);
+      
+      if (keys.length === 0) {
+        return 0;
+      }
+
+      const result = await this.redis.del(...keys);
+      this.logger.debug(`Deleted ${result} keys with prefix: ${prefix}`);
+      return result;
+    } catch (error) {
+      this.logger.error(`Failed to delete by prefix ${prefix}:`, error);
+      return 0;
+    }
+  }
+
+  /**
+   * Récupérer plusieurs valeurs en une fois
+   */
+  async mget<T>(keys: string[], prefix?: string): Promise<(T | null)[]> {
+    try {
+      const fullKeys = keys.map(key => this.buildKey(key, prefix));
+      const values = await this.redis.mget(...fullKeys);
+      
+      return values.map(value => {
+        if (!value) return null;
+        try {
+          return JSON.parse(value) as T;
+        } catch {
+          return null;
+        }
+      });
+    } catch (error) {
+      this.logger.error('Failed to get multiple cache values:', error);
+      return keys.map(() => null);
+    }
+  }
+
+  /**
+   * Sauvegarder plusieurs valeurs en une fois
+   */
+  async mset<T>(
+    entries: Array<{ key: string; value: T }>,
+    options?: CacheOptions
+  ): Promise<void> {
+    try {
+      const pipeline = this.redis.pipeline();
+      const ttl = options?.ttl || this.DEFAULT_TTL;
+
+      for (const entry of entries) {
+        const fullKey = this.buildKey(entry.key, options?.prefix);
+        const serializedValue = JSON.stringify(entry.value);
+        pipeline.setex(fullKey, ttl, serializedValue);
+      }
+
+      await pipeline.exec();
+      this.logger.debug(`Batch set ${entries.length} cache entries`);
+    } catch (error) {
+      this.logger.error('Failed to set multiple cache values:', error);
+      throw error;
+    }
+  }
+
+  /**
+   * Incrémenter une valeur numérique
+   */
+  async increment(key: string, prefix?: string, amount: number = 1): Promise<number> {
+    try {
+      const fullKey = this.buildKey(key, prefix);
+      return await this.redis.incrby(fullKey, amount);
+    } catch (error) {
+      this.logger.error(`Failed to increment key ${key}:`, error);
+      throw error;
+    }
+  }
+
+  /**
+   * Obtenir ou définir (get-or-set pattern)
+   */
+  async getOrSet<T>(
+    key: string,
+    factory: () => Promise<T>,
+    options?: CacheOptions
+  ): Promise<T> {
+    try {
+      // Essayer de récupérer depuis le cache
+      const cached = await this.get<T>(key, options?.prefix);
+      
+      if (cached !== null) {
+        return cached;
+      }
+
+      // Si pas en cache, exécuter la factory
+      const value = await factory();
+      
+      // Sauvegarder dans le cache
+      await this.set(key, value, options);
+      
+      return value;
+    } catch (error) {
+      this.logger.error(`Failed getOrSet for key ${key}:`, error);
+      throw error;
+    }
+  }
+
+  /**
+   * Construire la clé complète avec préfixe
+   */
+  private buildKey(key: string, prefix?: string): string {
+    return prefix ? `${prefix}:${key}` : key;
+  }
+
+  /**
+   * Vider tout le cache (ATTENTION: à utiliser avec précaution)
+   */
+  async flushAll(): Promise<void> {
+    try {
+      await this.redis.flushdb();
+      this.logger.warn('Cache flushed completely');
+    } catch (error) {
+      this.logger.error('Failed to flush cache:', error);
+      throw error;
+    }
+  }
+
+  /**
+   * Obtenir des informations sur Redis
+   */
+  async info(): Promise<string> {
+    return await this.redis.info();
+  }
+}
\ No newline at end of file
diff --git a/src/config/app.config.ts b/src/config/app.config.ts
index e0bfb97..32a438d 100644
--- a/src/config/app.config.ts
+++ b/src/config/app.config.ts
@@ -12,5 +12,6 @@ export default registerAs('app', () => ({
   redis: {
     host: process.env.REDIS_HOST || 'localhost',
     port: parseInt(process.env.REDIS_PORT?? "6379", 10) || 6379,
+    password: process.env.REDIS_PASSWORD  || undefined,
   },
 }));
diff --git a/src/modules/challenge/adaptor/dtos/orange.challenge.dto.ts b/src/modules/challenge/adaptor/dtos/orange.challenge.dto.ts
index 7467165..5136a02 100644
--- a/src/modules/challenge/adaptor/dtos/orange.challenge.dto.ts
+++ b/src/modules/challenge/adaptor/dtos/orange.challenge.dto.ts
@@ -1,29 +1,32 @@
 /**
  * Structure de la requête pour l'API Orange DCB Challenge v2
  */
+
+ 
 export interface OrangeChallengeRequest {
-  country: string;
-  method: string;
-  service: string;
-  partnerId: string;
-  identifier: {
-    type: string;
-    value: string;
-  };
-  confirmationCode: string;
-  message: string;
-  otpLength: number;
-  senderName: string;
+  challenge:{
+    country: string;
+    method: string;
+    service: string; 
+    partnerId: string;
+    inputs: any[];
+  }
+
 }
 
 /**
  * Structure de la réponse de l'API Orange DCB Challenge
  */
 export interface OrangeChallengeResponse {
-  challengeId?: string;
-  message?: string;
-  expiresIn?: number;
-  sessionId?: string;
+  challenge: {
+        method: string,
+        result: any[],
+        country: string,
+        service: string,
+        partnerId:string,
+        inputs: [ ]
+    }
+  location:string; // "/challenge/v1/challenges/c87d3360-c7bc-488f-86aa-02a537eaf1cc"
   error?: {
     code: number | string;
     message: string;
@@ -35,13 +38,20 @@ export interface OrangeChallengeResponse {
  * Builder pour construire des requêtes Orange Challenge
  */
 export class OrangeChallengeRequestBuilder {
-  private request: Partial<OrangeChallengeRequest> = {};
+  private request: OrangeChallengeRequest = {
+    challenge:{
+    country:'',
+    method: '',
+    service: '',
+    partnerId: '',
+    inputs:[]}
+  };
 
   /**
    * Définir le pays
    */
   withCountry(country: string): this {
-    this.request.country = country;
+    this.request.challenge.country = country;
     return this;
   }
 
@@ -49,7 +59,7 @@ export class OrangeChallengeRequestBuilder {
    * Définir la méthode d'authentification
    */
   withMethod(method: string): this {
-    this.request.method = method;
+    this.request.challenge.method = method;
     return this;
   }
 
@@ -57,7 +67,7 @@ export class OrangeChallengeRequestBuilder {
    * Définir le service
    */
   withService(service: string): this {
-    this.request.service = service;
+    this.request.challenge.service = service;
     return this;
   }
 
@@ -65,7 +75,7 @@ export class OrangeChallengeRequestBuilder {
    * Définir l'ID du partenaire
    */
   withPartnerId(partnerId: string): this {
-    this.request.partnerId = partnerId;
+    this.request.challenge.partnerId = partnerId;
     return this;
   }
 
@@ -73,10 +83,12 @@ export class OrangeChallengeRequestBuilder {
    * Définir l'identifiant (numéro de téléphone, etc.)
    */
   withIdentifier(type: string, value: string): this {
-    this.request.identifier = {
-      type,
-      value
-    };
+    this.request.challenge.inputs?.push({
+                "type": type,//, or “ISE2” 
+                "value": value// or “PDKSUB-XXXXXX”
+            },
+    )
+     
     return this;
   }
 
@@ -84,23 +96,41 @@ export class OrangeChallengeRequestBuilder {
    * Définir le code de confirmation (OTP)
    */
   withConfirmationCode(code: string): this {
-    this.request.confirmationCode = code;
+    this.request.challenge.inputs?.push(
+       {
+                "type": "confirmationCode",
+                "value": code
+      },
+    );
     return this;
   }
 
   /**
    * Définir le message OTP
    */
+  //todo voir value par defaut 
   withMessage(message: string): this {
-    this.request.message = message;
+    this.request.challenge.inputs?.push(
+            {
+                "type": "message",
+                "value":  message
+            },
+    )
     return this;
   }
 
   /**
    * Définir la longueur de l'OTP
    */
+  //todo mettre la valeur par defaut 
   withOtpLength(length: number): this {
-    this.request.otpLength = length;
+    this.request.challenge.inputs?.push(
+      {
+                "type": "otpLength",
+                "value": length
+            },
+
+    )
     return this;
   }
 
@@ -108,7 +138,12 @@ export class OrangeChallengeRequestBuilder {
    * Définir le nom de l'expéditeur
    */
   withSenderName(senderName: string): this {
-    this.request.senderName = senderName;
+    this.request.challenge.inputs?.push(
+       {
+                "type": "senderName",
+                "value": senderName
+            }
+    )  
     return this;
   }
 
@@ -117,20 +152,20 @@ export class OrangeChallengeRequestBuilder {
    */
   build(): OrangeChallengeRequest {
     // Validation des champs obligatoires
-    if (!this.request.country) {
+    if (!this.request.challenge.country) {
       throw new Error('Country is required');
     }
-    if (!this.request.method) {
+    if (!this.request.challenge.method) {
       throw new Error('Method is required');
     }
-    if (!this.request.service) {
+    if (!this.request.challenge.service) {
       throw new Error('Service is required');
     }
-    if (!this.request.partnerId) {
+    if (!this.request.challenge.partnerId) {
       throw new Error('Partner ID is required');
     }
-    if (!this.request.identifier) {
-      throw new Error('Identifier is required');
+    if (!this.request.challenge.inputs) {
+      throw new Error('inputs is required');
     }
 
     return this.request as OrangeChallengeRequest;
@@ -140,7 +175,14 @@ export class OrangeChallengeRequestBuilder {
    * Réinitialiser le builder
    */
   reset(): this {
-    this.request = {};
+    this.request ={
+    challenge:{
+    country:'',
+    method: '',
+    service: '',
+    partnerId: '',
+    inputs:[]}
+  };
     return this;
   }
 }
\ No newline at end of file
diff --git a/src/modules/challenge/adaptor/orange.adaptor.ts b/src/modules/challenge/adaptor/orange.adaptor.ts
index 82f981b..da11204 100644
--- a/src/modules/challenge/adaptor/orange.adaptor.ts
+++ b/src/modules/challenge/adaptor/orange.adaptor.ts
@@ -14,12 +14,16 @@ import {
 //import { OtpChallengeResponseDto, OtpChallengeStatusEnum } from '../../dtos/otp-challenge-response.dto';
 import { OtpChallengeRequestDto } from '../dto/challenge.request.dto';
 import { OtpChallengeResponseDto, OtpChallengeStatusEnum } from '../dto/challenge.response.dto';
+import { Logger } from '@nestjs/common';
+import { log } from 'console';
 
 /**
  * Adaptateur pour l'API Orange DCB v2
  * Gère l'authentification OAuth2 et les appels à l'API Challenge
  */
 export class OrangeAdapter {
+    private readonly logger = new Logger(OrangeAdapter.name);
+  
   private axiosInstance: AxiosInstance;
   private config: OrangeConfig;
   private accessToken: string | null = null;
@@ -58,6 +62,9 @@ export class OrangeAdapter {
         `${this.config.clientId}:${this.config.clientSecret}`
       ).toString('base64');
 
+      //this.logger.debug( `request to get acces token , ${this.config.baseUrl}${this.config.tokenEndpoint}`)
+
+
       const response = await axios.post(
         `${this.config.baseUrl}${this.config.tokenEndpoint}`,
         'grant_type=client_credentials',
@@ -131,13 +138,14 @@ export class OrangeAdapter {
     orangeResponse: OrangeChallengeResponse,
     request: OtpChallengeRequestDto
   ): OtpChallengeResponseDto {
+    const partsChallengeLocation= orangeResponse.location.split('/');
     const response: OtpChallengeResponseDto = {
-      challengeId: orangeResponse.challengeId || '',
+      challengeId: partsChallengeLocation[partsChallengeLocation.length - 1],
       merchantId: request.merchantId, 
       status: this.mapOrangeStatus(orangeResponse),
-      message: orangeResponse.message,
-      expiresIn: orangeResponse.expiresIn,
-      sessionId: orangeResponse.sessionId,
+      message: orangeResponse.challenge.result+"",
+      expiresIn: new Date().getTime(),
+      //sessionId: orangeResponse.sessionId,
       requiresConfirmation: true,
       metadata: {
         provider: 'orange',
@@ -167,7 +175,7 @@ export class OrangeAdapter {
       return OtpChallengeStatusEnum.FAILED;
     }
 
-    if (orangeResponse.challengeId) {
+    if (orangeResponse.location) {
       return OtpChallengeStatusEnum.SENT;
     }
 
@@ -197,10 +205,15 @@ export class OrangeAdapter {
     try {
       // Obtenir le token
       const token = await this.getAccessToken();
+      //this.logger.debug(`initiateChallenge --> acces token ${token}`);
 
       // Mapper la requête
       const orangeRequest = this.mapToOrangeRequest(request);
 
+      this.logger.debug(
+         `[request to orange ]: ${JSON.stringify(orangeRequest, null, 2)}`,
+      )
+
       // Appeler l'API Orange
       const response = await this.axiosInstance.post<OrangeChallengeResponse>(
         this.config.challengeEndpoint,
diff --git a/src/modules/challenge/otp.challenge.module.ts b/src/modules/challenge/otp.challenge.module.ts
index a8705e3..6f9eeb2 100644
--- a/src/modules/challenge/otp.challenge.module.ts
+++ b/src/modules/challenge/otp.challenge.module.ts
@@ -3,19 +3,21 @@ import { ConfigModule, ConfigService } from '@nestjs/config';
 import { OtpChallengeController } from './otp.challenge.controller';
 import { OrangeConfig } from './adaptor/orange.config';
 import { OtpChallengeService } from './otp.challenge.service';
+import { CommonModule } from 'src/common/commonde.module';
  
 /**
  * Module pour le challenge OTP
  * Gère l'injection de dépendances et la configuration
  */
 @Module({
-  imports: [ConfigModule],
+  imports: [ConfigModule, CommonModule],
   controllers: [OtpChallengeController],
   providers: [
     {
       provide: 'ORANGE_CONFIG',
       useFactory: (configService: ConfigService): OrangeConfig => ({
         baseUrl: configService.get<string>('ORANGE_BASE_URL', 'https://webhook.site/69ce9344-f87b-421a-a494-c59eca7c54ce'),
+        //tokenUrl: configService.get<string>('ORANGE_BASE_URL', 'https://webhook.site/69ce9344-f87b-421a-a494-c59eca7c54ce'),
         partnerId: configService.get<string>('ORANGE_PARTNER_ID', 'PDKSUB'),
         clientId: configService.get<string>('ORANGE_CLIENT_ID', 'admin'),
         clientSecret: configService.get<string>('ORANGE_CLIENT_SECRET', 'admin'),
diff --git a/src/modules/challenge/otp.challenge.service.ts b/src/modules/challenge/otp.challenge.service.ts
index c6dac3b..b9aaa59 100644
--- a/src/modules/challenge/otp.challenge.service.ts
+++ b/src/modules/challenge/otp.challenge.service.ts
@@ -1,22 +1,29 @@
-import { Injectable, Inject } from '@nestjs/common';
+import { Injectable, Inject, Logger } from '@nestjs/common';
 import type { OrangeConfig } from './adaptor/orange.config';
 import { OrangeAdapter } from './adaptor/orange.adaptor';
 import { OtpChallengeRequestDto } from './dto/challenge.request.dto';
 import { IOtpChallengeService } from './otp.challenge.interface';
 import { OtpChallengeResponseDto, OtpChallengeStatusEnum } from './dto/challenge.response.dto';
-  
+import { RedisCacheService } from 'src/common/services/cache.redis';
+import { CACHE_MANAGER } from '@nestjs/cache-manager';
+   
 /**
  * Service Hub pour gérer les challenges OTP
  * Utilise l'adaptateur Orange pour communiquer avec l'API Orange DCB
  */
 @Injectable()
 export class OtpChallengeService implements IOtpChallengeService {
+  private readonly logger = new Logger(OtpChallengeService.name);
+  private readonly CACHE_PREFIX = 'otp:challenge';
+  private readonly DEFAULT_TTL = 300; // 5 minutes
   private orangeAdapter: OrangeAdapter;
-  private challengeCache: Map<string, { request: OtpChallengeRequestDto; response: OtpChallengeResponseDto }>;
+ 
+  constructor(
+    //@Inject(CACHE_MANAGER) private cacheManager: Cache,
+    @Inject('ORANGE_CONFIG') private readonly orangeConfig: OrangeConfig, 
+  private readonly cacheService: RedisCacheService) {
+    this.orangeAdapter = new OrangeAdapter(this.orangeConfig);
 
-  constructor(@Inject('ORANGE_CONFIG') private readonly orangeConfig: OrangeConfig) {
-    this.orangeAdapter = new OrangeAdapter(orangeConfig);
-    this.challengeCache = new Map();
   }
 
   /**
@@ -26,16 +33,16 @@ export class OtpChallengeService implements IOtpChallengeService {
     try { 
 
       // Appeler l'adaptateur Orange
+       
       const response = await this.orangeAdapter.initiateChallenge(request);
+       
 
       if (response.challengeId || true) {
-        this.challengeCache.set(response.challengeId, { request, response });
-        
-        // Nettoyer le cache après expiration (par défaut 5 minutes)
-        const expirationTime = (response.expiresIn || 300) * 1000;
-        setTimeout(() => {
-          this.challengeCache.delete(response.challengeId);
-        }, expirationTime);
+        // this.cacheManager
+        await this.cacheService.set(response.challengeId , {request:request,response:response}, {
+        prefix: this.CACHE_PREFIX,
+        ttl: this.DEFAULT_TTL,
+      }); 
       }
 
       return response;
@@ -54,7 +61,7 @@ export class OtpChallengeService implements IOtpChallengeService {
   ): Promise<OtpChallengeResponseDto> {
     try {
       // Récupérer le challenge depuis le cache
-      const cached = this.challengeCache.get(challengeId);
+      const cached:any = this.cacheService.get(challengeId);
       
       if (!cached) {
         return {
@@ -92,7 +99,7 @@ export class OtpChallengeService implements IOtpChallengeService {
 
       // Mettre à jour le cache
       if (response.status === OtpChallengeStatusEnum.VERIFIED) {
-        this.challengeCache.set(challengeId, { request: cached.request, response });
+        this.cacheService.set(challengeId, { request: cached.request, response });
       }
 
       return response;