diff --git a/src/controllers/idnot.controller.ts b/src/controllers/idnot.controller.ts
index 6fedd9f..a6611e5 100644
--- a/src/controllers/idnot.controller.ts
+++ b/src/controllers/idnot.controller.ts
@@ -1,89 +1,121 @@
-import { Request, Response } from 'express';
 import fetch from 'node-fetch';
 import { v4 as uuidv4 } from 'uuid';
 import { IdNotService } from '../services/idnot';
 import { authTokens } from '../utils/auth-tokens';
 import { IdNotUser, AuthToken } from '../types';
+import { Logger } from '../utils/logger';
+import { NotFoundError, ExternalServiceError, BusinessRuleError } from '../types/errors';
 
+/**
+ * Pure controller methods that handle business logic
+ * without depending on Express Request/Response objects
+ */
 export class IdNotController {
-  static async getUserRattachements(req: Request, res: Response): Promise<any> {
-    const { idNot } = req.query;
+  
+  /**
+   * Get user rattachements by idNot
+   */
+  static async getUserRattachements(idNot: string): Promise<any[]> {
+    Logger.info('Getting user rattachements', { idNot });
 
-    const json = await IdNotService.getUserRattachements(idNot as string);
+    const json = await IdNotService.getUserRattachements(idNot);
 
-    // if json.result.length is 0, return 404
-    if (json.result.length === 0) {
-      return res.status(404).json({
-        success: false,
-        message: 'No rattachements found'
-      });
+    // Check if any rattachements found
+    if (!json.result || json.result.length === 0) {
+      throw new NotFoundError('No rattachements found');
     }
 
-    // Iterate over all results and get the office data by calling the entiteUrl endpoint
+    // Get office data for each rattachement
     const officeData = await Promise.all(json.result.map(async (result: any) => {
       const searchParams = new URLSearchParams({
         key: process.env.IDNOT_API_KEY || '',
         deleted: 'false'
       });
 
-      const officeData = await (
-        await fetch(`${process.env.IDNOT_ANNUARY_BASE_URL}${result.entiteUrl}?` + searchParams, {
+      try {
+        const response = await fetch(`${process.env.IDNOT_ANNUARY_BASE_URL}${result.entiteUrl}?` + searchParams, {
           method: 'GET'
-        })
-      ).json();
-      return officeData;
+        });
+
+        if (!response.ok) {
+          throw new Error(`HTTP ${response.status}`);
+        }
+
+        return await response.json();
+      } catch (error) {
+        Logger.error('Failed to fetch office data', {
+          entiteUrl: result.entiteUrl,
+          error: error instanceof Error ? error.message : 'Unknown error'
+        });
+        throw new ExternalServiceError('IdNot', `Failed to fetch office data: ${error instanceof Error ? error.message : 'Unknown error'}`);
+      }
     }));
 
-    res.json(officeData);
+    Logger.info('Successfully retrieved user rattachements', { 
+      idNot,
+      count: officeData.length 
+    });
+
+    return officeData;
   }
 
-  static async getOfficeRattachements(req: Request, res: Response) {
-    const { idNot } = req.query;
-
-    const json = await IdNotService.getOfficeRattachements(idNot as string);
-
-    res.json(json);
-  }
-
-  static async authenticate(req: Request, res: Response): Promise<any> {
-    const code = req.params.code;
+  /**
+   * Get office rattachements by office idNot
+   */
+  static async getOfficeRattachements(idNot: string): Promise<any> {
+    Logger.info('Getting office rattachements', { idNot });
 
     try {
+      const result = await IdNotService.getOfficeRattachements(idNot);
+      
+      Logger.info('Successfully retrieved office rattachements', { 
+        idNot, 
+        count: result.result?.length || 0 
+      });
+      
+      return result;
+    } catch (error) {
+      Logger.error('Failed to get office rattachements', {
+        idNot,
+        error: error instanceof Error ? error.message : 'Unknown error'
+      });
+      throw new ExternalServiceError('IdNot', `Failed to get office rattachements: ${error instanceof Error ? error.message : 'Unknown error'}`);
+    }
+  }
+
+  /**
+   * Authenticate user with authorization code
+   */
+  static async authenticate(code: string): Promise<{ idNotUser: IdNotUser; authToken: string }> {
+    Logger.info('IdNot authentication initiated', { codePrefix: code.substring(0, 8) + '...' });
+
+    try {
+      // Exchange code for tokens
       const tokens = await IdNotService.exchangeCodeForTokens(code);
 
       const jwt = tokens.id_token;
       if (!jwt) {
-        console.error('jwt not defined');
-        return;
+        throw new BusinessRuleError('No ID token received from IdNot');
       }
+
+      // Decode JWT payload
       const payload = JSON.parse(Buffer.from(jwt.split('.')[1], 'base64').toString('utf8'));
 
-      let userData: any;
-      try {
-        userData = await IdNotService.getUserData(payload.profile_idn);
-      } catch (error) {
-        console.error('Error fetching user data:', error);
-        return;
-      }
+      // Get user data
+      const userData = await IdNotService.getUserData(payload.profile_idn);
       
       if (!userData || !userData.statutDuRattachement || userData.entite.typeEntite.name !== 'office') {
-        console.error('User not attached to an office (May be a partner)');
-        return;
+        throw new BusinessRuleError('User not attached to an office');
       }
 
-      let officeLocationData: any;
-      try {
-        officeLocationData = await IdNotService.getOfficeLocationData(userData.entite.locationsUrl);
-      } catch (error) {
-        console.error('Error fetching office location data:', error);
-        return;
-      }
+      // Get office location data
+      const officeLocationData = await IdNotService.getOfficeLocationData(userData.entite.locationsUrl);
       
       if (!officeLocationData || !officeLocationData.result || officeLocationData.result.length === 0) {
-        console.error('Office location data not found');
-        return;
+        throw new BusinessRuleError('Office location data not found');
       }
 
+      // Build IdNotUser object
       const idNotUser: IdNotUser = {
         idNot: payload.sub,
         office: {
@@ -111,89 +143,105 @@ export class IdNotController {
       };
 
       if (!idNotUser.contact.email) {
-        console.error('User pro email empty');
-        return;
+        throw new BusinessRuleError('User professional email is empty');
       }
 
+      // Generate auth token
       const authToken = uuidv4();
       const tokenData: AuthToken = {
         idNot: idNotUser.idNot,
         authToken,
-        idNotUser: idNotUser, // Store the full user data
-        pairingId: null, // To be set on a separate call
-        defaultStorage: null, // To be set on a separate call
+        idNotUser: idNotUser,
+        pairingId: null,
+        defaultStorage: null,
         createdAt: Date.now(),
         expiresAt: Date.now() + (24 * 60 * 60 * 1000) // 24 hours
       };
+      
       authTokens.push(tokenData);
 
-      res.json({ idNotUser, authToken });
-    } catch (error: any) {
-      res.status(500).json({
-        error: 'Internal Server Error',
-        message: error.message
+      Logger.info('IdNot authentication successful', { 
+        idNot: idNotUser.idNot,
+        office: idNotUser.office.name
       });
-    }
-  }
 
-  static async getCurrentUser(req: Request, res: Response): Promise<any> {
-    console.log('Received request to get user data');
-    try {
-      // Find the full token data which should contain the original idNotUser data
-      const userAuth = authTokens.find(auth => auth.authToken === req.idNotUser!.authToken);
+      return { idNotUser, authToken };
+
+    } catch (error) {
+      Logger.error('IdNot authentication failed', {
+        codePrefix: code.substring(0, 8) + '...',
+        error: error instanceof Error ? error.message : 'Unknown error'
+      });
       
-      if (!userAuth || !userAuth.idNotUser) {
-        // If we don't have the stored user data, we need to re-fetch it
-        // This requires decoding the original JWT or re-fetching from IdNot APIs
-        return res.status(404).json({
-          success: false,
-          message: 'Données utilisateur non trouvées. Veuillez vous reconnecter.'
-        });
-      }
-
-      // Return the stored idNotUser data without the authToken
-      res.json({
-        success: true,
-        data: userAuth.idNotUser
-      });
-    } catch (error: any) {
-      res.status(500).json({
-        success: false,
-        message: 'Erreur lors de la récupération des données utilisateur',
-        error: error.message
-      });
-    }
-  }
-
-  static logout(req: Request, res: Response) {
-    try {
-      // Remove the auth token from the array
-      const tokenIndex = authTokens.findIndex(auth => auth.authToken === req.idNotUser!.authToken);
-      if (tokenIndex > -1) {
-        authTokens.splice(tokenIndex, 1);
+      if (error instanceof BusinessRuleError || error instanceof ExternalServiceError) {
+        throw error;
       }
       
-      res.json({
-        success: true,
-        message: 'Déconnexion réussie'
-      });
-    } catch (error: any) {
-      res.status(500).json({
-        success: false,
-        message: 'Erreur lors de la déconnexion',
-        error: error.message
-      });
+      throw new ExternalServiceError('IdNot', `Authentication failed: ${error instanceof Error ? error.message : 'Unknown error'}`);
     }
   }
 
-  static validateToken(req: Request, res: Response) {
-    res.json({
+  /**
+   * Get current user data by idNot and authToken
+   */
+  static async getCurrentUser(idNot: string, authToken: string): Promise<{ success: boolean; data: IdNotUser }> {
+    Logger.info('Getting current user data', { idNot });
+
+    // Find the full token data
+    const userAuth = authTokens.find(auth => auth.authToken === authToken);
+    
+    if (!userAuth || !userAuth.idNotUser) {
+      throw new NotFoundError('User data not found. Please log in again.');
+    }
+
+    Logger.info('Current user data retrieved', { 
+      idNot,
+      office: userAuth.idNotUser.office.name
+    });
+
+    return {
+      success: true,
+      data: userAuth.idNotUser
+    };
+  }
+
+  /**
+   * Logout user by removing auth token
+   */
+  static async logout(authToken: string): Promise<{ success: boolean; message: string }> {
+    Logger.info('User logout initiated');
+
+    // Remove the auth token from the array
+    const tokenIndex = authTokens.findIndex(auth => auth.authToken === authToken);
+    
+    if (tokenIndex > -1) {
+      const removedToken = authTokens.splice(tokenIndex, 1)[0];
+      Logger.info('User logout successful', { 
+        idNot: removedToken.idNot 
+      });
+    } else {
+      Logger.warn('Logout attempted with invalid token');
+    }
+    
+    return {
+      success: true,
+      message: 'Déconnexion réussie'
+    };
+  }
+
+  /**
+   * Validate if a token is still valid
+   */
+  static async validateToken(idNot: string): Promise<{ success: boolean; message: string; data: { idNot: string; valid: boolean } }> {
+    Logger.debug('Token validation requested', { idNot });
+
+    return {
       success: true,
       message: 'Token valide',
       data: {
-        idNot: req.idNotUser!.idNot,
+        idNot,
         valid: true
       }
-    });
+    };
   }
 }
diff --git a/src/handlers/idnot.handlers.ts b/src/handlers/idnot.handlers.ts
new file mode 100644
index 0000000..d79d214
--- /dev/null
+++ b/src/handlers/idnot.handlers.ts
@@ -0,0 +1,135 @@
+import { Request, Response } from 'express';
+import { IdNotController } from '../controllers/idnot.controller';
+import { asyncHandler } from '../middleware/error-handler';
+import { ValidationError, BusinessRuleError } from '../types/errors';
+
+/**
+ * Route handlers that extract and validate HTTP request data 
+ * before calling pure controller methods
+ */
+export class IdNotHandlers {
+  
+  /**
+   * GET /user/rattachements
+   * Extract idNot from query params and call controller
+   */
+  static getUserRattachements = asyncHandler(async (req: Request, res: Response): Promise<void> => {
+    const requestId = req.headers['x-request-id'] as string;
+    
+    // Extract and validate parameters
+    const { idNot } = req.query;
+    
+    if (!idNot || typeof idNot !== 'string') {
+      throw new ValidationError('idNot parameter is required', [
+        { field: 'idNot', value: idNot, constraints: ['Must be a valid string'] }
+      ], requestId);
+    }
+
+    // Call pure controller method with extracted parameters
+    const result = await IdNotController.getUserRattachements(idNot);
+    
+    res.json(result);
+  });
+
+  /**
+   * GET /office/rattachements  
+   * Extract idNot from query params and call controller
+   */
+  static getOfficeRattachements = asyncHandler(async (req: Request, res: Response): Promise<void> => {
+    const requestId = req.headers['x-request-id'] as string;
+    
+    // Extract and validate parameters
+    const { idNot } = req.query;
+    
+    if (!idNot || typeof idNot !== 'string') {
+      throw new ValidationError('idNot parameter is required', [
+        { field: 'idNot', value: idNot, constraints: ['Must be a valid string'] }
+      ], requestId);
+    }
+
+    // Call pure controller method
+    const result = await IdNotController.getOfficeRattachements(idNot);
+    
+    res.json(result);
+  });
+
+  /**
+   * POST /auth/:code
+   * Extract code from URL params and call controller
+   */
+  static authenticate = asyncHandler(async (req: Request, res: Response): Promise<void> => {
+    const requestId = req.headers['x-request-id'] as string;
+    
+    // Extract and validate parameters
+    const { code } = req.params;
+    
+    if (!code || typeof code !== 'string' || code.length < 10) {
+      throw new ValidationError('Invalid authentication code', [
+        { field: 'code', value: code, constraints: ['Must be a valid authorization code'] }
+      ], requestId);
+    }
+
+    // Call pure controller method
+    const result = await IdNotController.authenticate(code);
+    
+    res.json(result);
+  });
+
+  /**
+   * GET /user (protected)
+   * Extract user info from middleware and call controller
+   */
+  static getCurrentUser = asyncHandler(async (req: Request, res: Response): Promise<void> => {
+    const requestId = req.headers['x-request-id'] as string;
+    
+    // Extract user info (set by authenticateIdNot middleware)
+    if (!req.idNotUser) {
+      throw new BusinessRuleError('User authentication required', undefined, requestId);
+    }
+
+    const { idNot, authToken } = req.idNotUser;
+    
+    // Call pure controller method
+    const result = await IdNotController.getCurrentUser(idNot, authToken);
+    
+    res.json(result);
+  });
+
+  /**
+   * POST /logout (protected)
+   * Extract user info and call controller
+   */
+  static logout = asyncHandler(async (req: Request, res: Response): Promise<void> => {
+    const requestId = req.headers['x-request-id'] as string;
+    
+    if (!req.idNotUser) {
+      throw new BusinessRuleError('User authentication required', undefined, requestId);
+    }
+
+    const { authToken } = req.idNotUser;
+    
+    // Call pure controller method
+    const result = await IdNotController.logout(authToken);
+    
+    res.json(result);
+  });
+
+  /**
+   * GET /validate (protected)
+   * Extract user info and call controller
+   */
+  static validateToken = asyncHandler(async (req: Request, res: Response): Promise<void> => {
+    const requestId = req.headers['x-request-id'] as string;
+    
+    if (!req.idNotUser) {
+      throw new BusinessRuleError('User authentication required', undefined, requestId);
+    }
+
+    const { idNot } = req.idNotUser;
+    
+    // Call pure controller method
+    const result = await IdNotController.validateToken(idNot);
+    
+    res.json(result);
+  });
+}
diff --git a/src/routes/idnot.routes.ts b/src/routes/idnot.routes.ts
index 6b6750f..596108d 100644
--- a/src/routes/idnot.routes.ts
+++ b/src/routes/idnot.routes.ts
@@ -1,17 +1,15 @@
 import { Router } from 'express';
-import { IdNotController } from '../controllers/idnot.controller';
+import { IdNotHandlers } from '../handlers/idnot.handlers';
 import { authenticateIdNot } from '../middleware/auth';
 
 const router = Router();
 
-// Public routes
-router.get('/user/rattachements', IdNotController.getUserRattachements);
-router.get('/office/rattachements', IdNotController.getOfficeRattachements);
-router.post('/auth/:code', IdNotController.authenticate);
+router.get('/user/rattachements', IdNotHandlers.getUserRattachements);
+router.get('/office/rattachements', IdNotHandlers.getOfficeRattachements);
+router.post('/auth/:code', IdNotHandlers.authenticate);
 
-// Protected routes
-router.get('/user', authenticateIdNot, IdNotController.getCurrentUser);
-router.post('/logout', authenticateIdNot, IdNotController.logout);
-router.get('/validate', authenticateIdNot, IdNotController.validateToken);
+router.get('/user', authenticateIdNot, IdNotHandlers.getCurrentUser);
+router.post('/logout', authenticateIdNot, IdNotHandlers.logout);
+router.get('/validate', authenticateIdNot, IdNotHandlers.validateToken);
 
 export { router as idnotRoutes };