diff --git a/Dockerfile b/Dockerfile
index f12f959c..dd2034c3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,4 +32,4 @@ RUN npm ci --only=production
 COPY openapi.yaml ./
 
 EXPOSE 80
-CMD ["npm", "run", "start:prod"]
+CMD ["npm", "run", "start:prod"]
\ No newline at end of file
diff --git a/openapi.yaml b/openapi.yaml
index 886337a1..f01e3e90 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -38,9 +38,10 @@ paths:
         '200':
           description: Template successfully generated.
           content:
-            application/json:
+            application/zip:
               schema:
-                $ref: '#/components/schemas/Template'
+                type: string
+                format: binary
         '400':
           description: Failed to generate the given template due to invalid AsyncAPI document.
           content:
diff --git a/src/app.ts b/src/app.ts
index 1fba70ec..6d5de48f 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -60,7 +60,8 @@ export class App {
 
   private initializeControllers(controller: Controller[]) {
     controller.forEach(controller => {
-      this.app.use('/', controller.boot());
+      // in the `openapi.yaml` we have prefix `v1` for all paths
+      this.app.use('/v1/', controller.boot());
     });
   }
 
diff --git a/src/controllers/tests/generator.controller.test.ts b/src/controllers/tests/generator.controller.test.ts
index 165b58f1..586e6c89 100644
--- a/src/controllers/tests/generator.controller.test.ts
+++ b/src/controllers/tests/generator.controller.test.ts
@@ -11,7 +11,7 @@ describe('GeneratorController', () => {
       const app = new App([new GenerateController()]);
 
       return request(app.getServer())
-        .post('/generate')
+        .post('/v1/generate')
         .send({
           asyncapi: {
             asyncapi: '2.2.0',
@@ -33,7 +33,7 @@ describe('GeneratorController', () => {
       const app = new App([new GenerateController()]);
 
       return request(app.getServer())
-        .post('/generate')
+        .post('/v1/generate')
         .send({
           asyncapi: {
             asyncapi: '2.2.0',
@@ -52,7 +52,7 @@ describe('GeneratorController', () => {
       const app = new App([new GenerateController()]);
 
       return request(app.getServer())
-        .post('/generate')
+        .post('/v1/generate')
         .send({
           asyncapi: {
             asyncapi: '2.2.0',
diff --git a/src/controllers/tests/validate.controller.test.ts b/src/controllers/tests/validate.controller.test.ts
index 0327d96d..de13d494 100644
--- a/src/controllers/tests/validate.controller.test.ts
+++ b/src/controllers/tests/validate.controller.test.ts
@@ -82,7 +82,7 @@ describe('ValidateController', () => {
       const app = new App([new ValidateController()]);
 
       return request(app.getServer())
-        .post('/validate')
+        .post('/v1/validate')
         .send({
           asyncapi: validJSONAsyncAPI
         })
@@ -93,7 +93,7 @@ describe('ValidateController', () => {
       const app = new App([new ValidateController()]);
 
       return request(app.getServer())
-        .post('/validate')
+        .post('/v1/validate')
         .send({
           asyncapi: validYAMLAsyncAPI
         })
@@ -128,7 +128,7 @@ describe('ValidateController', () => {
       const app = new App([new ValidateController()]);
 
       return request(app.getServer())
-        .post('/validate')
+        .post('/v1/validate')
         .send({
           asyncapi: invalidJSONAsyncAPI
         })
diff --git a/src/middlewares/request-body-validation.middleware.ts b/src/middlewares/request-body-validation.middleware.ts
index 3d78438b..6a5834ee 100644
--- a/src/middlewares/request-body-validation.middleware.ts
+++ b/src/middlewares/request-body-validation.middleware.ts
@@ -15,7 +15,9 @@ const ajv = new Ajv({
  * Retrieve proper AJV's validator function, create or reuse it.
  */
 async function getValidator(req: Request) {
-  const { path: reqPath, method } = req;
+  const method = req.method;
+  let reqPath = req.path;
+  reqPath = reqPath.startsWith('/v1') ? reqPath.replace('/v1', '') : reqPath;
   const schemaName = `${reqPath}->${method}`;
 
   const validate = ajv.getSchema(schemaName);
diff --git a/src/middlewares/tests/document-validation.middleware.test.ts b/src/middlewares/tests/document-validation.middleware.test.ts
index 46b7ee0e..d3e7d89e 100644
--- a/src/middlewares/tests/document-validation.middleware.test.ts
+++ b/src/middlewares/tests/document-validation.middleware.test.ts
@@ -21,7 +21,7 @@ describe('documentValidationMiddleware', () => {
       const app = new App([new TestController()]);
 
       return await request(app.getServer())
-        .post('/test')
+        .post('/v1/test')
         .send({})
         .expect(200, {
           success: true,
@@ -40,7 +40,7 @@ describe('documentValidationMiddleware', () => {
       const app = new App([new TestController()]);
 
       return await request(app.getServer())
-        .post('/test')
+        .post('/v1/test')
         .send({
           asyncapi: {
             asyncapi: '2.2.0',
@@ -97,7 +97,7 @@ describe('documentValidationMiddleware', () => {
       const app = new App([new TestController()]);
 
       return await request(app.getServer())
-        .post('/test')
+        .post('/v1/test')
         .send({
           // without title, version and channels
           asyncapi: {
diff --git a/src/middlewares/tests/problem.middleware.test.ts b/src/middlewares/tests/problem.middleware.test.ts
index 89f3d990..ac943ce9 100644
--- a/src/middlewares/tests/problem.middleware.test.ts
+++ b/src/middlewares/tests/problem.middleware.test.ts
@@ -23,7 +23,7 @@ describe('problemMiddleware', () => {
       const app = new App([new TestController()]);
 
       return await request(app.getServer())
-        .post('/test')
+        .post('/v1/test')
         .send({})
         .expect(422, {
           type: ProblemException.createType('custom-problem'),
@@ -43,7 +43,7 @@ describe('problemMiddleware', () => {
       const app = new App([new TestController()]);
 
       return await request(app.getServer())
-        .post('/test')
+        .post('/v1/test')
         .send({})
         .expect(200, {
           success: true,
diff --git a/src/middlewares/tests/request-body-validation.middleware.test.ts b/src/middlewares/tests/request-body-validation.middleware.test.ts
index 2df81d31..b479ebc9 100644
--- a/src/middlewares/tests/request-body-validation.middleware.test.ts
+++ b/src/middlewares/tests/request-body-validation.middleware.test.ts
@@ -20,7 +20,7 @@ describe('requestBodyValidationMiddleware', () => {
       const app = new App([new TestController()]);
 
       return await request(app.getServer())
-        .post('/generate')
+        .post('/v1/generate')
         .send({
           asyncapi: {
             asyncapi: '2.2.0',
@@ -39,7 +39,7 @@ describe('requestBodyValidationMiddleware', () => {
 
     it('should throw error when request body is invalid', async () => {
       const TestController = createTestController({
-        path: '/test',
+        path: '/generate',
         method: 'post',
         callback: (_, res) => {
           res.status(200).send({ success: true });
@@ -48,7 +48,7 @@ describe('requestBodyValidationMiddleware', () => {
       const app = new App([new TestController()]);
 
       return await request(app.getServer())
-        .post('/generate')
+        .post('/v1/generate')
         .send({
           asyncapi: {
             asyncapi: '2.2.0',