diff --git a/package.json b/package.json
index 16f1e72..39edd03 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "@nestjs/config": "^4.0.2",
     "@nestjs/core": "^11.0.1",
     "@nestjs/platform-express": "^11.0.1",
+    "@nestjs/swagger": "^11.2.5",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1"
   },
diff --git a/src/core/app.controller.ts b/src/core/app.controller.ts
index 0e6f930..39a6e34 100644
--- a/src/core/app.controller.ts
+++ b/src/core/app.controller.ts
@@ -1,16 +1,29 @@
 import { Controller, Get } from '@nestjs/common'
+import { ApiOkResponse, ApiOperation } from '@nestjs/swagger'
 
 import { AppService } from './app.service'
+import { HealthResponseDto } from './dto'
 
 @Controller()
 export class AppController {
   constructor(private readonly appService: AppService) {}
 
+  @ApiOperation({
+    summary: 'Welcome endpoint',
+    description: 'Return simple welcome message'
+  })
   @Get()
   getHello() {
     return this.appService.getHello()
   }
 
+  @ApiOperation({
+    summary: 'Healthcheck endpoint',
+    description: 'Check if gateway is running'
+  })
+  @ApiOkResponse({
+    type: HealthResponseDto
+  })
   @Get('/health')
   healthCheck() {
     return this.appService.health()
diff --git a/src/core/dto/index.ts b/src/core/dto/index.ts
new file mode 100644
index 0000000..e7b548e
--- /dev/null
+++ b/src/core/dto/index.ts
@@ -0,0 +1 @@
+export * from './rs'
diff --git a/src/core/dto/rs/health.response.dto.ts b/src/core/dto/rs/health.response.dto.ts
new file mode 100644
index 0000000..d962b47
--- /dev/null
+++ b/src/core/dto/rs/health.response.dto.ts
@@ -0,0 +1,17 @@
+import { ApiProperty } from '@nestjs/swagger'
+
+export class HealthResponseDto {
+  @ApiProperty({
+    name: 'status',
+    description: 'Health status',
+    example: 'ok'
+  })
+  public status: string
+
+  @ApiProperty({
+    name: 'timestamp',
+    description: 'Health timestamp',
+    example: '2022-01-01T00:00:00.000Z'
+  })
+  public timestamp: string
+}
diff --git a/src/core/dto/rs/index.ts b/src/core/dto/rs/index.ts
new file mode 100644
index 0000000..ecf8940
--- /dev/null
+++ b/src/core/dto/rs/index.ts
@@ -0,0 +1 @@
+export * from './health.response.dto'
diff --git a/src/main.ts b/src/main.ts
index bfc531b..e31cff1 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,6 +1,7 @@
 import { Logger } from '@nestjs/common'
 import { ConfigService } from '@nestjs/config'
 import { NestFactory } from '@nestjs/core'
+import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger'
 
 import { AppModule } from './core/app.module'
 
@@ -15,6 +16,18 @@ async function bootstrap() {
     credentials: true
   })
 
+  const swaggerConfig = new DocumentBuilder()
+    .setTitle('Teacinema API')
+    .setDescription('API Gateway for Teacinema microservices')
+    .setVersion('1.0.0')
+    .addBearerAuth()
+    .build()
+
+  const swaggerDocument = SwaggerModule.createDocument(app, swaggerConfig)
+  SwaggerModule.setup('docs', app, swaggerDocument, {
+    yamlDocumentUrl: '/docs/openapi.yaml'
+  })
+
   const port = config.getOrThrow<number>('HTTP_PORT')
   const host = config.getOrThrow<string>('HTTP_HOST')
 
diff --git a/yarn.lock b/yarn.lock
index e9d4743..4fa934b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -934,6 +934,11 @@
   resolved "https://registry.yarnpkg.com/@lukeed/csprng/-/csprng-1.1.0.tgz#1e3e4bd05c1cc7a0b2ddbd8a03f39f6e4b5e6cfe"
   integrity sha512-Z7C/xXCiGWsg0KuKsHTKJxbWhpI3Vs5GwLfOean7MGyVFGqdRgBbAjOCh6u4bbjPc/8MJ2pZmK/0DLdCbivLDA==
 
+"@microsoft/tsdoc@0.16.0":
+  version "0.16.0"
+  resolved "https://registry.yarnpkg.com/@microsoft/tsdoc/-/tsdoc-0.16.0.tgz#2249090633e04063176863a050c8f0808d2b6d2b"
+  integrity sha512-xgAyonlVVS+q7Vc7qLW0UrJU7rSFcETRWsqdXZtjzRU8dF+6CkozTK4V4y1LwOX7j8r/vHphjDeMeGI4tNGeGA==
+
 "@napi-rs/wasm-runtime@^0.2.11":
   version "0.2.12"
   resolved "https://registry.yarnpkg.com/@napi-rs/wasm-runtime/-/wasm-runtime-0.2.12.tgz#3e78a8b96e6c33a6c517e1894efbd5385a7cb6f2"
@@ -999,6 +1004,11 @@
     path-to-regexp "8.3.0"
     tslib "2.8.1"
 
+"@nestjs/mapped-types@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@nestjs/mapped-types/-/mapped-types-2.1.0.tgz#b9b536b7c3571567aa1d0223db8baa1a51505a19"
+  integrity sha512-W+n+rM69XsFdwORF11UqJahn4J3xi4g/ZEOlJNL6KoW5ygWSmBB2p0S2BZ4FQeS/NDH72e6xIcu35SfJnE8bXw==
+
 "@nestjs/platform-express@^11.0.1":
   version "11.1.12"
   resolved "https://registry.yarnpkg.com/@nestjs/platform-express/-/platform-express-11.1.12.tgz#c9449230c3b8843370bca65d5b2c9909d3e3f0f6"
@@ -1021,6 +1031,18 @@
     jsonc-parser "3.3.1"
     pluralize "8.0.0"
 
+"@nestjs/swagger@^11.2.5":
+  version "11.2.5"
+  resolved "https://registry.yarnpkg.com/@nestjs/swagger/-/swagger-11.2.5.tgz#41334fca6d42704e4175c04c15031046d73498e9"
+  integrity sha512-wCykbEybMqiYcvkyzPW4SbXKcwra9AGdajm0MvFgKR3W+gd1hfeKlo67g/s9QCRc/mqUU4KOE5Qtk7asMeFuiA==
+  dependencies:
+    "@microsoft/tsdoc" "0.16.0"
+    "@nestjs/mapped-types" "2.1.0"
+    js-yaml "4.1.1"
+    lodash "4.17.21"
+    path-to-regexp "8.3.0"
+    swagger-ui-dist "5.31.0"
+
 "@nestjs/testing@^11.0.1":
   version "11.1.12"
   resolved "https://registry.yarnpkg.com/@nestjs/testing/-/testing-11.1.12.tgz#2edf74b5fde5591381e5155a4afb7bdb6f57fbce"
@@ -1057,6 +1079,11 @@
   resolved "https://registry.yarnpkg.com/@pkgr/core/-/core-0.2.9.tgz#d229a7b7f9dac167a156992ef23c7f023653f53b"
   integrity sha512-QNqXyfVS2wm9hweSYD2O7F0G06uurj9kZ96TRQE5Y9hU7+tgdZwIkbAKc5Ocy1HxEY2kuDQa6cQ1WRs/O5LFKA==
 
+"@scarf/scarf@=1.4.0":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/@scarf/scarf/-/scarf-1.4.0.tgz#3bbb984085dbd6d982494538b523be1ce6562972"
+  integrity sha512-xxeapPiUXdZAE3che6f3xogoJPeZgig6omHEy1rIY5WVsB3H2BHNnZH+gHG6x91SCWyQCzWGsuL2Hh3ClO5/qQ==
+
 "@sinclair/typebox@^0.34.0":
   version "0.34.47"
   resolved "https://registry.yarnpkg.com/@sinclair/typebox/-/typebox-0.34.47.tgz#61b684d8a20d2890b9f1f7b0d4f76b4b39f5bc0d"
@@ -3555,6 +3582,13 @@ js-tokens@^4.0.0:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
+js-yaml@4.1.1, js-yaml@^4.1.0, js-yaml@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.1.tgz#854c292467705b699476e1a2decc0c8a3458806b"
+  integrity sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==
+  dependencies:
+    argparse "^2.0.1"
+
 js-yaml@^3.13.1:
   version "3.14.2"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.2.tgz#77485ce1dd7f33c061fd1b16ecea23b55fcb04b0"
@@ -3563,13 +3597,6 @@ js-yaml@^3.13.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
-js-yaml@^4.1.0, js-yaml@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.1.tgz#854c292467705b699476e1a2decc0c8a3458806b"
-  integrity sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==
-  dependencies:
-    argparse "^2.0.1"
-
 jsesc@^3.0.2:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-3.1.0.tgz#74d335a234f67ed19907fdadfac7ccf9d409825d"
@@ -4607,6 +4634,13 @@ supports-color@^8.0.0, supports-color@^8.1.1:
   dependencies:
     has-flag "^4.0.0"
 
+swagger-ui-dist@5.31.0:
+  version "5.31.0"
+  resolved "https://registry.yarnpkg.com/swagger-ui-dist/-/swagger-ui-dist-5.31.0.tgz#a2529f844c83b7e85c2caaf2c64a8277dd71db98"
+  integrity sha512-zSUTIck02fSga6rc0RZP3b7J7wgHXwLea8ZjgLA3Vgnb8QeOl3Wou2/j5QkzSGeoz6HusP/coYuJl33aQxQZpg==
+  dependencies:
+    "@scarf/scarf" "=1.4.0"
+
 symbol-observable@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-4.0.0.tgz#5b425f192279e87f2f9b937ac8540d1984b39205"