diff --git a/angular.json b/angular.json
index 8f6df05..b9e92dc 100644
--- a/angular.json
+++ b/angular.json
@@ -115,6 +115,8 @@
         },
         "serve": {
           "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "proxyConfig": "proxy.conf.json"},
           "configurations": {
             "production": {
               "buildTarget": "Knots-Front:build:production"
diff --git a/proxy.conf.json b/proxy.conf.json
new file mode 100644
index 0000000..a9e9508
--- /dev/null
+++ b/proxy.conf.json
@@ -0,0 +1,7 @@
+{
+  "/API": {
+    "target": "http://localhost:5250",
+    "secure": false,
+    "changeOrigin": true
+  }
+}
\ No newline at end of file
diff --git a/src/app/pages/login-form/login-form.component.html b/src/app/pages/login-form/login-form.component.html
index dd001a6..65d88df 100644
--- a/src/app/pages/login-form/login-form.component.html
+++ b/src/app/pages/login-form/login-form.component.html
@@ -8,16 +8,16 @@
 
         <h1>Knots</h1>
 
-        <div class="card">
+        <div class="card" [formGroup]="loginForm">
 
             <h3>Connectez-vous à Knots !</h3>
 
             <ion-item lines="none" class="input">
-                <ion-input placeholder="Login..."></ion-input>
+                <ion-input formControlName="name" placeholder="Login..."></ion-input>
             </ion-item>
 
             <ion-item lines="none" class="input">
-                <ion-input type="password" placeholder="Password..."></ion-input>
+                <ion-input formControlName="password" type="password" placeholder="Password..."></ion-input>
             </ion-item>
 
             <ion-button expand="block" class="btn" (click)="submitForm()">
diff --git a/src/app/pages/login-form/login-form.component.ts b/src/app/pages/login-form/login-form.component.ts
index 317af7d..9ca981f 100644
--- a/src/app/pages/login-form/login-form.component.ts
+++ b/src/app/pages/login-form/login-form.component.ts
@@ -31,6 +31,9 @@ export class LoginFormComponent {
   });
 
   async submitForm(): Promise<void> {
+    console.log('submitForm appelé');
+    console.log('form valid:', this.loginForm.valid);
+    console.log('form values:', this.loginForm.value);
     if (this.loginForm.valid) {
       this.isLoading = true;
 
@@ -40,6 +43,7 @@ export class LoginFormComponent {
             this.loginForm.value.password!
         );
       } catch (err: any) {
+        console.error('Erreur complète:', err);
         if (err.status === 401) {
           console.error('Identifiant ou mot de passe incorrect.');
         } else {
diff --git a/src/app/services/api/api/discussions.service.ts b/src/app/services/api/api/discussions.service.ts
index aacc2be..b09e77b 100644
--- a/src/app/services/api/api/discussions.service.ts
+++ b/src/app/services/api/api/discussions.service.ts
@@ -200,7 +200,7 @@ export class DiscussionsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Id',
+            'id',
             <any>id,
             QueryParamStyle.Form,
             true,
@@ -209,7 +209,7 @@ export class DiscussionsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Name',
+            'name',
             <any>name,
             QueryParamStyle.Form,
             true,
@@ -218,7 +218,7 @@ export class DiscussionsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'IsGroup',
+            'isGroup',
             <any>isGroup,
             QueryParamStyle.Form,
             true,
@@ -227,7 +227,7 @@ export class DiscussionsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'MembersCount',
+            'membersCount',
             <any>membersCount,
             QueryParamStyle.Form,
             true,
diff --git a/src/app/services/api/api/groups.service.ts b/src/app/services/api/api/groups.service.ts
index e088e27..14beb85 100644
--- a/src/app/services/api/api/groups.service.ts
+++ b/src/app/services/api/api/groups.service.ts
@@ -200,7 +200,7 @@ export class GroupsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Id',
+            'id',
             <any>id,
             QueryParamStyle.Form,
             true,
@@ -209,7 +209,7 @@ export class GroupsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Nom',
+            'nom',
             <any>nom,
             QueryParamStyle.Form,
             true,
@@ -218,7 +218,7 @@ export class GroupsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'NombreMembres',
+            'nombreMembres',
             <any>nombreMembres,
             QueryParamStyle.Form,
             true,
@@ -227,7 +227,7 @@ export class GroupsService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'ProfilePicture',
+            'profilePicture',
             <any>profilePicture,
             QueryParamStyle.Form,
             true,
@@ -275,7 +275,7 @@ export class GroupsService extends BaseService {
     }
 
     /**
-     * @endpoint patch /API/groups/{Id}/membersAmount
+     * @endpoint patch /API/groups/{id}/membersAmount
      * @param id 
      * @param knotsDTOGroupUpdateGroupMembersAmountDto 
      * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
@@ -344,7 +344,7 @@ export class GroupsService extends BaseService {
     }
 
     /**
-     * @endpoint patch /API/groups/{Id}/name
+     * @endpoint patch /API/groups/{id}/name
      * @param id 
      * @param knotsDTOGroupUpdateGroupNameDto 
      * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
@@ -413,7 +413,7 @@ export class GroupsService extends BaseService {
     }
 
     /**
-     * @endpoint patch /API/groups/{Id}/profilePicture
+     * @endpoint patch /API/groups/{id}/profilePicture
      * @param id 
      * @param knotsDTOGroupUpdateGroupProfilePictureDto 
      * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
diff --git a/src/app/services/api/api/keys.service.ts b/src/app/services/api/api/keys.service.ts
index 79ab67a..ee0c511 100644
--- a/src/app/services/api/api/keys.service.ts
+++ b/src/app/services/api/api/keys.service.ts
@@ -193,7 +193,7 @@ export class KeysService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Id',
+            'id',
             <any>id2,
             QueryParamStyle.Form,
             true,
@@ -202,7 +202,7 @@ export class KeysService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'EnKey',
+            'enKey',
             <any>enKey,
             QueryParamStyle.Form,
             true,
diff --git a/src/app/services/api/api/messages.service.ts b/src/app/services/api/api/messages.service.ts
index 50af4cd..28d2c24 100644
--- a/src/app/services/api/api/messages.service.ts
+++ b/src/app/services/api/api/messages.service.ts
@@ -200,7 +200,7 @@ export class MessagesService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Id',
+            'id',
             <any>id2,
             QueryParamStyle.Form,
             true,
@@ -209,7 +209,7 @@ export class MessagesService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Contenu',
+            'contenu',
             <any>contenu,
             QueryParamStyle.Form,
             true,
@@ -218,7 +218,7 @@ export class MessagesService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Date',
+            'date',
             <any>date,
             QueryParamStyle.Form,
             true,
@@ -227,7 +227,7 @@ export class MessagesService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Type',
+            'type',
             <any>type,
             QueryParamStyle.Form,
             true,
diff --git a/src/app/services/api/api/roles.service.ts b/src/app/services/api/api/roles.service.ts
index d47ea73..441abc4 100644
--- a/src/app/services/api/api/roles.service.ts
+++ b/src/app/services/api/api/roles.service.ts
@@ -170,7 +170,7 @@ export class RolesService extends BaseService {
     }
 
     /**
-     * @endpoint get /API/roles/{Libelle}
+     * @endpoint get /API/roles/{libelle}
      * @param libelle 
      * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
      * @param reportProgress flag to report request and response progress.
diff --git a/src/app/services/api/api/users.service.ts b/src/app/services/api/api/users.service.ts
index 14300a0..60b2d14 100644
--- a/src/app/services/api/api/users.service.ts
+++ b/src/app/services/api/api/users.service.ts
@@ -243,7 +243,7 @@ export class UsersService extends BaseService {
     }
 
     /**
-     * @endpoint get /API/users/{Username}
+     * @endpoint get /API/users/{username}
      * @param username 
      * @param description 
      * @param password 
@@ -266,7 +266,7 @@ export class UsersService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Description',
+            'description',
             <any>description,
             QueryParamStyle.Form,
             true,
@@ -275,7 +275,7 @@ export class UsersService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Password',
+            'password',
             <any>password,
             QueryParamStyle.Form,
             true,
@@ -284,7 +284,7 @@ export class UsersService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Email',
+            'email',
             <any>email,
             QueryParamStyle.Form,
             true,
@@ -293,7 +293,7 @@ export class UsersService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'Tel',
+            'tel',
             <any>tel,
             QueryParamStyle.Form,
             true,
@@ -302,7 +302,7 @@ export class UsersService extends BaseService {
 
         localVarQueryParameters = this.addToHttpParams(
             localVarQueryParameters,
-            'ProfilePicture',
+            'profilePicture',
             <any>profilePicture,
             QueryParamStyle.Form,
             true,
@@ -415,7 +415,7 @@ export class UsersService extends BaseService {
     }
 
     /**
-     * @endpoint patch /API/users/{Id}/contact
+     * @endpoint patch /API/users/{id}/contact
      * @param id 
      * @param knotsDTOUserUpdateUserContactDto 
      * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
@@ -553,7 +553,7 @@ export class UsersService extends BaseService {
     }
 
     /**
-     * @endpoint patch /API/users/{Id}/password
+     * @endpoint patch /API/users/{id}/password
      * @param id 
      * @param knotsDTOUserUpdateUserPasswordDto 
      * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
diff --git a/src/app/services/api/model/knots-dto-discussion-create-discussion-dto.ts b/src/app/services/api/model/knots-dto-discussion-create-discussion-dto.ts
index 2a1e9fe..410b910 100644
--- a/src/app/services/api/model/knots-dto-discussion-create-discussion-dto.ts
+++ b/src/app/services/api/model/knots-dto-discussion-create-discussion-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTODiscussionCreateDiscussionDto { 
-    id?: number;
+    id: number;
 }
 
diff --git a/src/app/services/api/model/knots-dto-discussion-delete-discussion-dto.ts b/src/app/services/api/model/knots-dto-discussion-delete-discussion-dto.ts
index 1be0452..3a6dcfa 100644
--- a/src/app/services/api/model/knots-dto-discussion-delete-discussion-dto.ts
+++ b/src/app/services/api/model/knots-dto-discussion-delete-discussion-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTODiscussionDeleteDiscussionDto { 
-    id?: number;
+    id: number;
 }
 
diff --git a/src/app/services/api/model/knots-dto-group-create-group-dto.ts b/src/app/services/api/model/knots-dto-group-create-group-dto.ts
index 1c0a794..c3ae7a4 100644
--- a/src/app/services/api/model/knots-dto-group-create-group-dto.ts
+++ b/src/app/services/api/model/knots-dto-group-create-group-dto.ts
@@ -10,8 +10,8 @@
 
 
 export interface KnotsDTOGroupCreateGroupDto { 
-    nom?: string | null;
-    nombreMembres?: number;
+    nom: string;
+    nombreMembres: number;
     profilePicture?: string | null;
 }
 
diff --git a/src/app/services/api/model/knots-dto-group-delete-group-dto.ts b/src/app/services/api/model/knots-dto-group-delete-group-dto.ts
index fcc1b57..2e79b04 100644
--- a/src/app/services/api/model/knots-dto-group-delete-group-dto.ts
+++ b/src/app/services/api/model/knots-dto-group-delete-group-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTOGroupDeleteGroupDto { 
-    id?: number | null;
+    id: number;
 }
 
diff --git a/src/app/services/api/model/knots-dto-group-update-group-members-amount-dto.ts b/src/app/services/api/model/knots-dto-group-update-group-members-amount-dto.ts
index bde6c12..952cc07 100644
--- a/src/app/services/api/model/knots-dto-group-update-group-members-amount-dto.ts
+++ b/src/app/services/api/model/knots-dto-group-update-group-members-amount-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTOGroupUpdateGroupMembersAmountDto { 
-    membersAmount?: number;
+    membersAmount: number;
 }
 
diff --git a/src/app/services/api/model/knots-dto-group-update-group-name-dto.ts b/src/app/services/api/model/knots-dto-group-update-group-name-dto.ts
index 0c152ef..862f6f9 100644
--- a/src/app/services/api/model/knots-dto-group-update-group-name-dto.ts
+++ b/src/app/services/api/model/knots-dto-group-update-group-name-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTOGroupUpdateGroupNameDto { 
-    name?: string | null;
+    name: string;
 }
 
diff --git a/src/app/services/api/model/knots-dto-key-create-key-dto.ts b/src/app/services/api/model/knots-dto-key-create-key-dto.ts
index bdf7d12..1907b51 100644
--- a/src/app/services/api/model/knots-dto-key-create-key-dto.ts
+++ b/src/app/services/api/model/knots-dto-key-create-key-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTOKeyCreateKeyDto { 
-    enKey?: string | null;
+    enKey: string;
 }
 
diff --git a/src/app/services/api/model/knots-dto-key-delete-key-dto.ts b/src/app/services/api/model/knots-dto-key-delete-key-dto.ts
index e289d29..de95b7c 100644
--- a/src/app/services/api/model/knots-dto-key-delete-key-dto.ts
+++ b/src/app/services/api/model/knots-dto-key-delete-key-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTOKeyDeleteKeyDto { 
-    id?: number;
+    id: number;
 }
 
diff --git a/src/app/services/api/model/knots-dto-message-create-message-dto.ts b/src/app/services/api/model/knots-dto-message-create-message-dto.ts
index 9b8883a..3544b93 100644
--- a/src/app/services/api/model/knots-dto-message-create-message-dto.ts
+++ b/src/app/services/api/model/knots-dto-message-create-message-dto.ts
@@ -10,8 +10,8 @@
 
 
 export interface KnotsDTOMessageCreateMessageDto { 
-    contenu?: string | null;
-    date?: string;
-    type?: boolean;
+    contenu: string;
+    date: string;
+    type: boolean;
 }
 
diff --git a/src/app/services/api/model/knots-dto-role-create-role-dto.ts b/src/app/services/api/model/knots-dto-role-create-role-dto.ts
index d7e39ef..07cbf1f 100644
--- a/src/app/services/api/model/knots-dto-role-create-role-dto.ts
+++ b/src/app/services/api/model/knots-dto-role-create-role-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTORoleCreateRoleDto { 
-    libelle?: string | null;
+    libelle: string;
 }
 
diff --git a/src/app/services/api/model/knots-dto-role-delete-role-dto.ts b/src/app/services/api/model/knots-dto-role-delete-role-dto.ts
index f916529..ddb1453 100644
--- a/src/app/services/api/model/knots-dto-role-delete-role-dto.ts
+++ b/src/app/services/api/model/knots-dto-role-delete-role-dto.ts
@@ -10,6 +10,6 @@
 
 
 export interface KnotsDTORoleDeleteRoleDto { 
-    id?: number;
+    id: number;
 }
 
diff --git a/src/app/services/api/model/knots-dto-user-update-user-contact-dto.ts b/src/app/services/api/model/knots-dto-user-update-user-contact-dto.ts
index 030df91..b929400 100644
--- a/src/app/services/api/model/knots-dto-user-update-user-contact-dto.ts
+++ b/src/app/services/api/model/knots-dto-user-update-user-contact-dto.ts
@@ -10,7 +10,7 @@
 
 
 export interface KnotsDTOUserUpdateUserContactDto { 
-    email?: string | null;
-    tel?: string | null;
+    email: string;
+    tel: string;
 }
 
diff --git a/src/app/services/api/model/knots-dto-user-update-user-profile-picture-dto.ts b/src/app/services/api/model/knots-dto-user-update-user-profile-picture-dto.ts
index ce778ae..b84e1d0 100644
--- a/src/app/services/api/model/knots-dto-user-update-user-profile-picture-dto.ts
+++ b/src/app/services/api/model/knots-dto-user-update-user-profile-picture-dto.ts
@@ -11,6 +11,6 @@
 
 export interface KnotsDTOUserUpdateUserProfilePictureDto { 
     id?: number;
-    profilePicture?: string | null;
+    profilePicture: string;
 }
 
diff --git a/src/app/services/api/model/knots-dto-user-update-username-dto.ts b/src/app/services/api/model/knots-dto-user-update-username-dto.ts
index cef80f5..3d4a252 100644
--- a/src/app/services/api/model/knots-dto-user-update-username-dto.ts
+++ b/src/app/services/api/model/knots-dto-user-update-username-dto.ts
@@ -11,6 +11,6 @@
 
 export interface KnotsDTOUserUpdateUsernameDto { 
     id?: number;
-    username?: string | null;
+    username: string;
 }