diff --git a/README.md b/README.md
index cee4ce3..f37b9c9 100644
--- a/README.md
+++ b/README.md
@@ -23,10 +23,14 @@ from their application via a REST API. It utilizes android phones as SMS gateway
 const API_KEY = 'YOUR_API_KEY';
 const DEVICE_ID = 'YOUR_DEVICE_ID';
 
-await axios.post(`https://api.textbee.dev/api/v1/gateway/devices/${DEVICE_ID}/sendSMS?apiKey=${API_KEY}`, {
-  receivers: [ '+251912345678' ],
-  smsBody: 'Hello World!',
-})
+await axios.post(`https://api.textbee.dev/api/v1/gateway/devices/${DEVICE_ID}/sendSMS`, {
+  recipients: [ '+251912345678' ],
+  message: 'Hello World!',
+}, {
+  headers: {
+    'x-api-key': API_KEY,
+  },
+});
 
 ```
 
diff --git a/api/src/auth/auth.controller.ts b/api/src/auth/auth.controller.ts
index c5a39f7..7d1b4c4 100644
--- a/api/src/auth/auth.controller.ts
+++ b/api/src/auth/auth.controller.ts
@@ -50,11 +50,6 @@ export class AuthController {
   }
 
   @ApiOperation({ summary: 'Get current logged in user' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @ApiBearerAuth()
   @UseGuards(AuthGuard)
   @Get('/who-am-i')
@@ -64,11 +59,6 @@ export class AuthController {
 
   @UseGuards(AuthGuard)
   @ApiOperation({ summary: 'Generate Api Key' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @ApiBearerAuth()
   @Post('/api-keys')
   async generateApiKey(@Request() req) {
@@ -78,11 +68,6 @@ export class AuthController {
 
   @UseGuards(AuthGuard)
   @ApiOperation({ summary: 'Get Api Key List (masked***)' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @ApiBearerAuth()
   @Get('/api-keys')
   async getApiKey(@Request() req) {
diff --git a/api/src/gateway/gateway.controller.ts b/api/src/gateway/gateway.controller.ts
index b1e464d..9b4a3c3 100644
--- a/api/src/gateway/gateway.controller.ts
+++ b/api/src/gateway/gateway.controller.ts
@@ -43,11 +43,6 @@ export class GatewayController {
 
   @UseGuards(AuthGuard)
   @ApiOperation({ summary: 'Register device' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @Post('/devices')
   async registerDevice(@Body() input: RegisterDeviceInputDTO, @Request() req) {
     const data = await this.gatewayService.registerDevice(input, req.user)
@@ -56,11 +51,6 @@ export class GatewayController {
 
   @UseGuards(AuthGuard)
   @ApiOperation({ summary: 'List of registered devices' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @Get('/devices')
   async getDevices(@Request() req) {
     const data = await this.gatewayService.getDevicesForUser(req.user)
@@ -68,11 +58,6 @@ export class GatewayController {
   }
 
   @ApiOperation({ summary: 'Update device' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @UseGuards(AuthGuard, CanModifyDevice)
   @Patch('/devices/:id')
   async updateDevice(
@@ -84,11 +69,6 @@ export class GatewayController {
   }
 
   @ApiOperation({ summary: 'Delete device' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @UseGuards(AuthGuard, CanModifyDevice)
   @Delete('/devices/:id')
   async deleteDevice(@Param('id') deviceId: string) {
@@ -97,11 +77,6 @@ export class GatewayController {
   }
 
   @ApiOperation({ summary: 'Send SMS to a device' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @UseGuards(AuthGuard, CanModifyDevice)
   @Post('/devices/:id/sendSMS')
   async sendSMS(
@@ -113,11 +88,6 @@ export class GatewayController {
   }
 
   @ApiOperation({ summary: 'Received SMS from a device' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @HttpCode(HttpStatus.OK)
   @Post('/devices/:id/receiveSMS')
   @UseGuards(AuthGuard, CanModifyDevice)
@@ -127,11 +97,6 @@ export class GatewayController {
   }
 
   @ApiOperation({ summary: 'Get received SMS from a device' })
-  @ApiQuery({
-    name: 'apiKey',
-    required: false,
-    description: 'Required if jwt bearer token not provided',
-  })
   @ApiResponse({ status: 200, type: RetrieveSMSResponseDTO })
   @UseGuards(AuthGuard, CanModifyDevice)
   @Get('/devices/:id/getReceivedSMS')
diff --git a/web/components/landing/CodeSnippetSection.tsx b/web/components/landing/CodeSnippetSection.tsx
index 8f14eb1..6116afc 100644
--- a/web/components/landing/CodeSnippetSection.tsx
+++ b/web/components/landing/CodeSnippetSection.tsx
@@ -10,9 +10,13 @@ export default function CodeSnippetSection() {
   const API_KEY = 'YOUR_API_KEY'
   const DEVICE_ID = 'YOUR_DEVICE_ID'
   
-  await axios.post(\`\$\{BASE_URL\}/gateway/devices/\$\{DEVICE_ID}/sendSMS?apiKey=\$\{API_KEY\}\`, {
-    receivers: [ '+251912345678' ],
-    smsBody: 'Hello World!',
+  await axios.post(\`\$\{BASE_URL\}/gateway/devices/\$\{DEVICE_ID}/sendSMS\`, {
+    recipients: [ '+251912345678' ],
+    message: 'Hello World!',
+  }, {
+    headers: {
+      'x-api-key': API_KEY,
+    },
   })
   
   `