diff --git a/srcs/requirements/nestjs/api_back/src/common/validation/validation.pipe.ts b/srcs/requirements/nestjs/api_back/src/common/validation/validation.pipe.ts
new file mode 100644
index 00000000..a15048f2
--- /dev/null
+++ b/srcs/requirements/nestjs/api_back/src/common/validation/validation.pipe.ts
@@ -0,0 +1,24 @@
+
+import { PipeTransform, Injectable, ArgumentMetadata, BadRequestException } from '@nestjs/common';
+import { validate } from 'class-validator';
+import { plainToInstance } from 'class-transformer';
+
+@Injectable()
+export class ValidationPipe implements PipeTransform<any> {
+	async transform(value: any, { metatype }: ArgumentMetadata) {
+		if (!metatype || !this.toValidate(metatype)) {
+			return value;
+		}
+		const object = plainToInstance(metatype, value);
+		const errors = await validate(object);
+		if (errors.length > 0) {
+			throw new BadRequestException('Validation failed');
+		}
+		return value;
+	}
+
+	private toValidate(metatype: Function): boolean {
+		const types: Function[] = [String, Boolean, Number, Array, Object];
+		return !types.includes(metatype);
+	}
+}
diff --git a/srcs/requirements/nestjs/api_back/src/users/dto/create-users.dto.ts b/srcs/requirements/nestjs/api_back/src/users/dto/create-users.dto.ts
index 4c86a8de..b5c862ea 100644
--- a/srcs/requirements/nestjs/api_back/src/users/dto/create-users.dto.ts
+++ b/srcs/requirements/nestjs/api_back/src/users/dto/create-users.dto.ts
@@ -10,6 +10,5 @@ export class CreateUsersDto {
 	@IsString()
 	readonly image_url: string;
 	@IsBoolean()
-	@IsOptional()
 	readonly isEnabledTwoFactorAuth: boolean;
 }
diff --git a/srcs/requirements/nestjs/api_back/src/users/users.controller.ts b/srcs/requirements/nestjs/api_back/src/users/users.controller.ts
index e321636f..333aae30 100644
--- a/srcs/requirements/nestjs/api_back/src/users/users.controller.ts
+++ b/srcs/requirements/nestjs/api_back/src/users/users.controller.ts
@@ -4,6 +4,7 @@ import {
 } from '@nestjs/common';
 import { AuthenticateGuard } from 'src/auth/42/guards/42guards';
 import { PaginationQueryDto } from 'src/common/dto/pagination-query.dto';
+import { ValidationPipe } from 'src/common/validation/validation.pipe';
 import { CreateUsersDto } from './dto/create-users.dto';
 import { UpdateUsersDto } from './dto/update-users.dto';
 
@@ -46,7 +47,7 @@ export class UsersController {
 
 	@UseGuards(AuthenticateGuard)
 	@Patch()
-	update(@Req() req, @Body() usersUpdateDto: UpdateUsersDto) {
+	update(@Req() req, @Body(new ValidationPipe()) usersUpdateDto: UpdateUsersDto) {
 		console.log("DANS PATCH USERS");
 		return this.usersService.update(req.user.id, usersUpdateDto);
 	}
diff --git a/srcs/requirements/nestjs/api_back/src/users/users.service.ts b/srcs/requirements/nestjs/api_back/src/users/users.service.ts
index a6a0097c..24e1c4c0 100644
--- a/srcs/requirements/nestjs/api_back/src/users/users.service.ts
+++ b/srcs/requirements/nestjs/api_back/src/users/users.service.ts
@@ -65,7 +65,7 @@ export class UsersService {
 	}
 
 	async update(id: string, updateUserDto: UpdateUsersDto) {
-		console.log(`Update user ${id} with ${updateUserDto}`);
+		console.log(`Update user ${id} with ${updateUserDto.image_url} + ${updateUserDto.isEnabledTwoFactorAuth}`);
 		const user = await this.userRepository.preload(
 			{id: +id,
 			...updateUserDto});
diff --git a/srcs/requirements/svelte/api_front/src/pages/profil/updateProfil.svelte b/srcs/requirements/svelte/api_front/src/pages/profil/updateProfil.svelte
index db983491..a37c722c 100644
--- a/srcs/requirements/svelte/api_front/src/pages/profil/updateProfil.svelte
+++ b/srcs/requirements/svelte/api_front/src/pages/profil/updateProfil.svelte
@@ -2,41 +2,45 @@
     import { onMount } from "svelte";
 
 
-	let username;
-	let image_url;
+	let usernameSv = "";
+	let image_urlSv = "";
 	let gAuth = false;
-	let errors = {username, image_url};
+	let errors = {usernameSv, image_urlSv};
 	onMount(async () => {
 		await fetch("http://transcendance:8080/api/v2/user").
 		then(response => response.json()).
 		then(data => {
-			console.log(data);
-			username = data.username;
-			image_url = data.image_url;
+			usernameSv = data.username;
+			image_urlSv = data.image_url;
 			gAuth = data.isEnabledTwoFactorAuth;
 		});
 	});
 
 	$:  submit = async() => {
-		errors.username = "";
-		errors.image_url ="";
-		if (username === undefined || username.trim() === "") {
-			errors.username = "Username is required";
+		errors.usernameSv = "";
+		errors.image_urlSv ="";
+		if (usernameSv === undefined || usernameSv.trim() === "") {
+			errors.usernameSv = "Username is required";
 			return;
 		}
-		if (image_url === undefined || image_url.trim() === "") {
-			errors.image_url = "image_url is required";
+		if (image_urlSv === undefined || image_urlSv.trim() === "") {
+			errors.image_urlSv = "image_url is required";
 			return;
 		}
+		console.log(usernameSv);
 		await fetch("http://transcendance:8080/api/v2/user/",
 		{
 			method: "PATCH",
+			headers: {
+				"Content-Type": "application/json",
+			},
 			body: JSON.stringify({
-			"username": username,
-			"image_url": image_url,
-			"isEnabledTwoFactorAuth": gAuth
-		})});
-	};
+			"username" : usernameSv,
+			"image_url" : image_urlSv,
+			"isEnabledTwoFactorAuth" : gAuth
+			})
+	})
+};
 </script>
 
 <body>
@@ -54,10 +58,10 @@
 			{/if}
 			<form on:submit|preventDefault={submit}>
 				<label for="username" class="block text-sm text-gray-600">Username</label>
-				<input id="username" type="text" placeholder="username" class="block px-1 py-2 mt-2 border-2 border-gray-100 text-gray-800" bind:value={username} />
+				<input id="username" type="text" placeholder=${usernameSv} class="block px-1 py-2 mt-2 border-2 border-gray-100 text-gray-800" bind:value={usernameSv} />
 
 				<label for="image_url" class="block text-sm text-gray-600 mt-4">image_url</label>
-				<input id="image_url" type="image_url" bind:value={image_url} placeholder="image_url" class="block px-1 py-2 mt-2 border-2 border-gray-100 text-gray-800" />
+				<input id="image_url" type="image_url" bind:value={image_urlSv} placeholder=${image_urlSv} class="block px-1 py-2 mt-2 border-2 border-gray-100 text-gray-800" />
 
 				<div>
 					<input type="checkbox" bind:checked={gAuth} id="gAuth" name="gAuth">