diff --git a/package.json b/package.json
index 33dba06..6bb98f0 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,8 @@
     "@nestjs/graphql": "^12.2.1",
     "@nestjs/platform-express": "^10.0.0",
     "@prisma/client": "^6.0.0",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.1",
     "dotenv": "^16.4.5",
     "dotenv-cli": "^7.4.2",
     "env-var": "^7.5.0",
diff --git a/src/main.ts b/src/main.ts
index 0d641ea..d998397 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,5 +1,6 @@
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
+import { ValidationPipe } from '@nestjs/common';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
@@ -10,6 +11,8 @@ async function bootstrap() {
     methods: ['GET', 'PUT', 'POST', 'DELETE', 'OPTIONS'],
   });
 
+  app.useGlobalPipes(new ValidationPipe({ whitelist: true, transform: true }));
+
   await app.listen(process.env.PORT ?? 3000);
 }
 bootstrap();
diff --git a/src/resolvers/campaign.resolver.ts b/src/resolvers/campaign.resolver.ts
index b5243ff..8362d56 100644
--- a/src/resolvers/campaign.resolver.ts
+++ b/src/resolvers/campaign.resolver.ts
@@ -1,5 +1,11 @@
-import { BadRequestException, Logger, NotFoundException } from '@nestjs/common';
-import { Args, Int, Mutation, Query, Resolver } from '@nestjs/graphql';
+import {
+  NotFoundException,
+  BadRequestException,
+  Logger,
+  UsePipes,
+  ValidationPipe,
+} from '@nestjs/common';
+import { Resolver, Query, Args, Mutation, Int } from '@nestjs/graphql';
 import { PrismaService } from 'src/prisma/prisma.service';
 import { Campaign } from './models/campaign.model';
 import { CampaignCreateInput } from './dtos/createCampaign.dto';
@@ -13,6 +19,7 @@ export class CampaignResolver {
   constructor(private prismaService: PrismaService) {}
 
   @Mutation(() => Campaign)
+  @UsePipes(new ValidationPipe({ whitelist: true, transform: true }))
   async createCampaign(
     @Args('campaignData') campaignData: CampaignCreateInput,
   ): Promise<Campaign> {
@@ -32,11 +39,7 @@ export class CampaignResolver {
   @Query(() => CampaignConnection)
   async getAllCampaigns(
     @Args('cursor', { nullable: true }) cursor?: string,
-    @Args('limit', {
-      type: () => Int,
-      nullable: true,
-      defaultValue: 10,
-    })
+    @Args('limit', { type: () => Int, nullable: true, defaultValue: 10 })
     limit?: number,
   ): Promise<CampaignConnection> {
     try {
diff --git a/src/resolvers/dtos/createCampaign.dto.ts b/src/resolvers/dtos/createCampaign.dto.ts
index 8f4923c..6964976 100644
--- a/src/resolvers/dtos/createCampaign.dto.ts
+++ b/src/resolvers/dtos/createCampaign.dto.ts
@@ -1,36 +1,52 @@
 import { InputType, Field, Int } from '@nestjs/graphql';
+import { IsString, IsNotEmpty, IsInt, IsOptional } from 'class-validator';
 import GraphQLJSON from 'graphql-type-json';
 import { InputJsonObject } from '@prisma/client/runtime/library';
 
 @InputType()
 export class CampaignCreateInput {
   @Field(() => Int)
+  @IsInt()
   campaign_id: number;
 
   @Field(() => String)
+  @IsNotEmpty()
+  @IsString()
   campaign_name: string;
 
   @Field(() => String)
+  @IsNotEmpty()
+  @IsString()
   campaign_description: string;
 
   @Field(() => String)
+  @IsNotEmpty()
+  @IsString()
   cover_photo: string;
 
-  @Field(() => GraphQLJSON, { nullable: true })
-  social_links?: InputJsonObject;
-
   @Field(() => Int)
+  @IsInt()
   target_amount: number;
 
   @Field(() => Int, { nullable: true })
+  @IsOptional()
+  @IsInt()
   totalDonations?: number;
 
   @Field(() => String)
+  @IsNotEmpty()
+  @IsString()
   organizer: string;
 
   @Field(() => String)
+  @IsNotEmpty()
+  @IsString()
   beneficiary: string;
 
   @Field(() => Int, { nullable: true })
+  @IsOptional()
+  @IsInt()
   category_id?: number;
+  @Field(() => GraphQLJSON, { nullable: true })
+  social_links?: InputJsonObject;
 }
diff --git a/yarn.lock b/yarn.lock
index f6bbedf..b691342 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1497,6 +1497,11 @@
     "@types/methods" "^1.1.4"
     "@types/superagent" "^8.1.0"
 
+"@types/validator@^13.11.8":
+  version "13.12.2"
+  resolved "https://registry.yarnpkg.com/@types/validator/-/validator-13.12.2.tgz#760329e756e18a4aab82fc502b51ebdfebbe49f5"
+  integrity sha512-6SlHBzUW8Jhf3liqrGGXyTJSIFe4nqlJ5A5KaMZ2l/vbM3Wh3KSybots/wfWVzNLK4D1NZluDlSQIbIEPx6oyA==
+
 "@types/yargs-parser@*":
   version "21.0.3"
   resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-21.0.3.tgz#815e30b786d2e8f0dcd85fd5bcf5e1a04d008f15"
@@ -2211,6 +2216,20 @@ cjs-module-lexer@^1.0.0:
   resolved "https://registry.yarnpkg.com/cjs-module-lexer/-/cjs-module-lexer-1.4.3.tgz#0f79731eb8cfe1ec72acd4066efac9d61991b00d"
   integrity sha512-9z8TZaGM1pfswYeXrUpzPrkx8UnWYdhJclsiYMm6x/w5+nN+8Tf/LnAgfLGQCm59qAOxU8WwHEq2vNwF6i4j+Q==
 
+class-transformer@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.5.1.tgz#24147d5dffd2a6cea930a3250a677addf96ab336"
+  integrity sha512-SQa1Ws6hUbfC98vKGxZH3KFY0Y1lm5Zm0SY8XX9zbK7FJCyVEac3ATW0RIpwzW+oOfmHE5PMPufDG9hCfoEOMw==
+
+class-validator@^0.14.1:
+  version "0.14.1"
+  resolved "https://registry.yarnpkg.com/class-validator/-/class-validator-0.14.1.tgz#ff2411ed8134e9d76acfeb14872884448be98110"
+  integrity sha512-2VEG9JICxIqTpoK1eMzZqaV+u/EiwEJkMGzTrZf6sU/fwsnOITVgYJ8yojSy6CaXtO9V0Cc6ZQZ8h8m4UBuLwQ==
+  dependencies:
+    "@types/validator" "^13.11.8"
+    libphonenumber-js "^1.10.53"
+    validator "^13.9.0"
+
 cli-cursor@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-3.1.0.tgz#264305a7ae490d1d03bf0c9ba7c925d1753af307"
@@ -4065,6 +4084,11 @@ levn@^0.4.1:
     prelude-ls "^1.2.1"
     type-check "~0.4.0"
 
+libphonenumber-js@^1.10.53:
+  version "1.12.4"
+  resolved "https://registry.yarnpkg.com/libphonenumber-js/-/libphonenumber-js-1.12.4.tgz#15062e61ac29d381305f0a37b0c2aad6ae432931"
+  integrity sha512-vLmhg7Gan7idyAKfc6pvCtNzvar4/eIzrVVk3hjNFH5+fGqyjD0gQRovdTrDl20wsmZhBtmZpcsR0tOfquwb8g==
+
 lines-and-columns@^1.1.6:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/lines-and-columns/-/lines-and-columns-1.2.4.tgz#eca284f75d2965079309dc0ad9255abb2ebc1632"
@@ -5605,6 +5629,11 @@ v8-to-istanbul@^9.0.1:
     "@types/istanbul-lib-coverage" "^2.0.1"
     convert-source-map "^2.0.0"
 
+validator@^13.9.0:
+  version "13.12.0"
+  resolved "https://registry.yarnpkg.com/validator/-/validator-13.12.0.tgz#7d78e76ba85504da3fee4fd1922b385914d4b35f"
+  integrity sha512-c1Q0mCiPlgdTVVVIJIrBuxNicYE+t/7oKeI9MWLj3fh/uq2Pxh/3eeWbVZ4OcGW1TUf53At0njHw5SMdA3tmMg==
+
 value-or-promise@^1.0.12:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/value-or-promise/-/value-or-promise-1.0.12.tgz#0e5abfeec70148c78460a849f6b003ea7986f15c"