diff --git a/src/main/java/com/sopt/push/dto/ApiGatewayRequestDto.java b/src/main/java/com/sopt/push/dto/ApiGatewayRequestDto.java
index 612ff0a..e781eee 100644
--- a/src/main/java/com/sopt/push/dto/ApiGatewayRequestDto.java
+++ b/src/main/java/com/sopt/push/dto/ApiGatewayRequestDto.java
@@ -2,4 +2,4 @@
 
 import java.util.Map;
 
-public record ApiGatewayRequestDto(RegisterHeaderDto header, Map<String, Object> body) {}
+public record ApiGatewayRequestDto(RequestHeaderDto header, Map<String, Object> body) {}
diff --git a/src/main/java/com/sopt/push/dto/RegisterHeaderDto.java b/src/main/java/com/sopt/push/dto/RequestHeaderDto.java
similarity index 87%
rename from src/main/java/com/sopt/push/dto/RegisterHeaderDto.java
rename to src/main/java/com/sopt/push/dto/RequestHeaderDto.java
index 29e7118..8408ad8 100644
--- a/src/main/java/com/sopt/push/dto/RegisterHeaderDto.java
+++ b/src/main/java/com/sopt/push/dto/RequestHeaderDto.java
@@ -4,5 +4,5 @@
 import com.sopt.push.enums.Platform;
 import com.sopt.push.enums.Services;
 
-public record RegisterHeaderDto(
+public record RequestHeaderDto(
     String transactionId, Services service, Platform platform, Actions action) {}
diff --git a/src/main/java/com/sopt/push/lambda/ApiGatewayHandler.java b/src/main/java/com/sopt/push/lambda/ApiGatewayHandler.java
index 5987588..8f6ba20 100644
--- a/src/main/java/com/sopt/push/lambda/ApiGatewayHandler.java
+++ b/src/main/java/com/sopt/push/lambda/ApiGatewayHandler.java
@@ -23,8 +23,8 @@
 import com.sopt.push.domain.DeviceTokenEntity;
 import com.sopt.push.dto.ApiGatewayRequestDto;
 import com.sopt.push.dto.CreateHistoryDto;
-import com.sopt.push.dto.RegisterHeaderDto;
 import com.sopt.push.dto.RequestDeleteTokenDto;
+import com.sopt.push.dto.RequestHeaderDto;
 import com.sopt.push.dto.RequestRegisterUserDto;
 import com.sopt.push.dto.RequestSendAllPushMessageDto;
 import com.sopt.push.dto.RequestSendPushMessageDto;
@@ -114,9 +114,14 @@ private ApiGatewayRequestDto extractRequest(APIGatewayProxyRequestEvent event) {
       String transactionId = headers.get(HEADER_TRANSACTION_ID);
       String serviceStr = headers.get(HEADER_SERVICE);
       Actions action = Actions.fromValue(actionStr);
-      Platform platform = Platform.fromValue(platformStr);
-      RegisterHeaderDto header =
-          new RegisterHeaderDto(transactionId, Services.fromValue(serviceStr), platform, action);
+      Platform platform = null;
+
+      if (action == Actions.REGISTER || action == Actions.CANCEL) {
+        platform = Platform.fromValue(platformStr);
+      }
+
+      RequestHeaderDto header =
+          new RequestHeaderDto(transactionId, Services.fromValue(serviceStr), platform, action);
 
       return new ApiGatewayRequestDto(header, body);
     } catch (Exception e) {