diff --git a/service/.yarn/cache/@types-validator-npm-13.11.9-ac3f0e748e-2d397c6929.zip b/service/.yarn/cache/@types-validator-npm-13.11.9-ac3f0e748e-2d397c6929.zip
new file mode 100644
index 0000000..10a4a8b
Binary files /dev/null and b/service/.yarn/cache/@types-validator-npm-13.11.9-ac3f0e748e-2d397c6929.zip differ
diff --git a/service/.yarn/cache/class-transformer-npm-0.5.1-96b5161e6c-750327e3e9.zip b/service/.yarn/cache/class-transformer-npm-0.5.1-96b5161e6c-750327e3e9.zip
new file mode 100644
index 0000000..7101eac
Binary files /dev/null and b/service/.yarn/cache/class-transformer-npm-0.5.1-96b5161e6c-750327e3e9.zip differ
diff --git a/service/.yarn/cache/class-validator-npm-0.14.1-f0ce3b1130-0c34592a1c.zip b/service/.yarn/cache/class-validator-npm-0.14.1-f0ce3b1130-0c34592a1c.zip
new file mode 100644
index 0000000..acfa223
Binary files /dev/null and b/service/.yarn/cache/class-validator-npm-0.14.1-f0ce3b1130-0c34592a1c.zip differ
diff --git a/service/.yarn/cache/libphonenumber-js-npm-1.10.57-b94f521f3d-7344dd7e8f.zip b/service/.yarn/cache/libphonenumber-js-npm-1.10.57-b94f521f3d-7344dd7e8f.zip
new file mode 100644
index 0000000..78baa62
Binary files /dev/null and b/service/.yarn/cache/libphonenumber-js-npm-1.10.57-b94f521f3d-7344dd7e8f.zip differ
diff --git a/service/.yarn/cache/validator-npm-13.11.0-f0143e2784-4bf094641e.zip b/service/.yarn/cache/validator-npm-13.11.0-f0143e2784-4bf094641e.zip
new file mode 100644
index 0000000..7acd970
Binary files /dev/null and b/service/.yarn/cache/validator-npm-13.11.0-f0143e2784-4bf094641e.zip differ
diff --git a/service/main/src/main.ts b/service/main/src/main.ts
index 32f16d7..9c1dce0 100644
--- a/service/main/src/main.ts
+++ b/service/main/src/main.ts
@@ -1,8 +1,11 @@
 import {NestFactory} from "@nestjs/core"
 import {AppModule} from "./app.module"
+import {globalValidationPipe} from "./validation-pipe"
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule)
+  app.useGlobalPipes(globalValidationPipe)
   await app.listen(3000)
 }
+
 bootstrap()
diff --git a/service/main/src/validation-pipe.ts b/service/main/src/validation-pipe.ts
new file mode 100644
index 0000000..7eeceb2
--- /dev/null
+++ b/service/main/src/validation-pipe.ts
@@ -0,0 +1,21 @@
+import {BadRequestException, ValidationPipe} from "@nestjs/common"
+
+export const globalValidationPipe = new ValidationPipe({
+  stopAtFirstError: false,
+  exceptionFactory: errors => {
+    const mappedErrors = []
+
+    for (const error of errors) {
+      for (const key in error.constraints) {
+        mappedErrors.push({
+          code: "VALIDATION_ERROR",
+          message: error.constraints[key]
+        })
+      }
+    }
+
+    return new BadRequestException({
+      errors: mappedErrors
+    })
+  }
+})
diff --git a/service/main/test/controller/run.controller.integration.test.ts b/service/main/test/controller/run.controller.integration.test.ts
index a73f08c..a4ed540 100644
--- a/service/main/test/controller/run.controller.integration.test.ts
+++ b/service/main/test/controller/run.controller.integration.test.ts
@@ -8,9 +8,11 @@ import {persistSourceCodeMock} from "@libs/testing"
 import {NestApplication} from "@nestjs/core"
 import {TestingModule, Test} from "@nestjs/testing"
 import {PrismaClient} from "@prisma/client"
-
 // eslint-disable-next-line node/no-unpublished-import
 import * as request from "supertest"
+import "expect-more-jest"
+import {randomUUID} from "crypto"
+import {globalValidationPipe} from "@app/validation-pipe"
 
 describe("POST /runs", () => {
   let app: NestApplication
@@ -29,8 +31,8 @@ describe("POST /runs", () => {
         getDbConnectionUrl: () => isolatedDb
       })
       .compile()
-
     app = module.createNestApplication()
+    app.useGlobalPipes(globalValidationPipe)
     await app.init()
 
     prisma = module.get(DatabaseClient)
@@ -76,6 +78,56 @@ describe("POST /runs", () => {
     expect(run?.sourceCodeId).toBe(requestBody.source_code_id)
   })
 
+  it("should return 400 if the plan_id is not a valid uuid", async () => {
+    // Given
+    const requestBody: CreateRunRequestBody = {
+      plan_id: "not-a-uuid",
+      source_code_id: randomUUID()
+    }
+
+    // When
+    const response = await request(app.getHttpServer())
+      .post(endpoint)
+      .send(requestBody)
+
+    // Expect
+    expect(response.body.errors).toBeArrayOf({
+      code: expect.toBeString(),
+      message: expect.toBeString()
+    })
+    expect(
+      response.body.errors.map(
+        (it: {code: string; message: string}) => it.message
+      )
+    ).toBeArrayIncludingAllOf(["plan_id must be a UUID"])
+    expect(response.status).toBe(400)
+  })
+
+  it("should return 400 if the source_code_id is not a valid uuid", async () => {
+    // Given
+    const requestBody: CreateRunRequestBody = {
+      plan_id: "not-a-uuid",
+      source_code_id: "not-a-uuid"
+    }
+
+    // When
+    const response = await request(app.getHttpServer())
+      .post(endpoint)
+      .send(requestBody)
+
+    // Expect
+    expect(response.body.errors).toBeArrayOf({
+      code: expect.toBeString(),
+      message: expect.toBeString()
+    })
+    expect(
+      response.body.errors.map(
+        (it: {code: string; message: string}) => it.message
+      )
+    ).toBeArrayIncludingAllOf(["source_code_id must be a UUID"])
+    expect(response.status).toBe(400)
+  })
+
   afterAll(async () => {
     await cleanDatabase(prisma)
     await prisma.$disconnect()
diff --git a/service/package.json b/service/package.json
index b1487f4..7687ffe 100644
--- a/service/package.json
+++ b/service/package.json
@@ -33,6 +33,8 @@
     "@nestjs/core": "10.2.8",
     "@nestjs/platform-express": "10.3.1",
     "@prisma/client": "5.9.0",
+    "class-transformer": "0.5.1",
+    "class-validator": "0.14.1",
     "express": "4.18.2",
     "fp-ts": "2.16.2",
     "kafkajs": "2.2.4",
diff --git a/service/yarn.lock b/service/yarn.lock
index 373a305..07579b5 100644
--- a/service/yarn.lock
+++ b/service/yarn.lock
@@ -1515,6 +1515,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/validator@npm:^13.11.8":
+  version: 13.11.9
+  resolution: "@types/validator@npm:13.11.9"
+  checksum: 2d397c69293cc726e0cf1b4c74c563ca4e459b00f216f3ff0ac184c9648103be27169e8c67f85be9c6e7a3fcbb149c6add66a2547b185a1b25aa79e4b61261bd
+  languageName: node
+  linkType: hard
+
 "@types/yargs-parser@npm:*":
   version: 21.0.3
   resolution: "@types/yargs-parser@npm:21.0.3"
@@ -2538,6 +2545,24 @@ __metadata:
   languageName: node
   linkType: hard
 
+"class-transformer@npm:^0.5.1":
+  version: 0.5.1
+  resolution: "class-transformer@npm:0.5.1"
+  checksum: 750327e3e9a5cf233c5234252f4caf6b06c437bf68a24acbdcfb06c8e0bfff7aa97c30428184813e38e08111b42871f20c5cf669ea4490f8ae837c09f08b31e7
+  languageName: node
+  linkType: hard
+
+"class-validator@npm:^0.14.1":
+  version: 0.14.1
+  resolution: "class-validator@npm:0.14.1"
+  dependencies:
+    "@types/validator": "npm:^13.11.8"
+    libphonenumber-js: "npm:^1.10.53"
+    validator: "npm:^13.9.0"
+  checksum: 0c34592a1cbdd5e9c35cd02f4babd94120339e875fc7627aa2bf5dffb45ecc373275e854389c6ff3d39781cddb85a18193b4e9e8f4d77d6d90e445fd0b8b8e11
+  languageName: node
+  linkType: hard
+
 "clean-stack@npm:^2.0.0":
   version: 2.2.0
   resolution: "clean-stack@npm:2.2.0"
@@ -5030,6 +5055,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"libphonenumber-js@npm:^1.10.53":
+  version: 1.10.57
+  resolution: "libphonenumber-js@npm:1.10.57"
+  checksum: 7344dd7e8f35b0bd19c5a4fecfd5f252ba3e1f2fa938e552662a34fbc0bc3bf02d3c0a7ce5adf369280a741c7c7d54940232092e997890b71cb3cb1114e9184b
+  languageName: node
+  linkType: hard
+
 "lines-and-columns@npm:^1.1.6":
   version: 1.2.4
   resolution: "lines-and-columns@npm:1.2.4"
@@ -6736,6 +6768,8 @@ __metadata:
     "@typescript-eslint/eslint-plugin": "npm:6.10.0"
     "@typescript-eslint/parser": "npm:6.10.0"
     chance: "npm:1.1.11"
+    class-transformer: "npm:^0.5.1"
+    class-validator: "npm:^0.14.1"
     dotenv-cli: "npm:7.3.0"
     eslint: "npm:8.53.0"
     eslint-config-prettier: "npm:8.10.0"
@@ -7201,6 +7235,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"validator@npm:^13.9.0":
+  version: 13.11.0
+  resolution: "validator@npm:13.11.0"
+  checksum: 4bf094641eb71729c06a42d669840e7189597ba655a8264adabac9bf03f95cd6fde5fbc894b0a13ee861bd4a852f56d2afdc9391aeaeb3fc0f9633a974140e12
+  languageName: node
+  linkType: hard
+
 "vary@npm:^1, vary@npm:~1.1.2":
   version: 1.1.2
   resolution: "vary@npm:1.1.2"