diff --git a/WebContent/WEB-INF/web.xml b/WebContent/WEB-INF/web.xml
index 0b2219d..6074ebf 100644
--- a/WebContent/WEB-INF/web.xml
+++ b/WebContent/WEB-INF/web.xml
@@ -21,6 +21,17 @@
         <url-pattern>/management/*</url-pattern>
         <url-pattern>/mgr/*</url-pattern>        
     </filter-mapping>
+    
+    <filter>
+    	<filter-name>ApiRequestBodyFilter</filter-name>
+    	<filter-class>com.eactive.eai.adapter.controller.ApiRequestBodyFilter</filter-class>
+	</filter>
+	<filter-mapping>
+    	<filter-name>ApiRequestBodyFilter</filter-name>
+   		<url-pattern>/api/*</url-pattern>  <!-- 필요한 URL 패턴 -->
+   		<url-pattern>/mapi/*</url-pattern>  <!-- 필요한 URL 패턴 -->
+	</filter-mapping>
+    
 
 	<context-param>
         <param-name>logbackDisableServletContainerInitializer</param-name>
diff --git a/src/main/java/com/eactive/eai/adapter/controller/ApiRequestBodyFilter.java b/src/main/java/com/eactive/eai/adapter/controller/ApiRequestBodyFilter.java
new file mode 100644
index 0000000..aa7ec3e
--- /dev/null
+++ b/src/main/java/com/eactive/eai/adapter/controller/ApiRequestBodyFilter.java
@@ -0,0 +1,85 @@
+package com.eactive.eai.adapter.controller;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.nio.charset.Charset;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.JSONValue;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+@Component
+public class ApiRequestBodyFilter extends OncePerRequestFilter {
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request,
+                                    HttpServletResponse response,
+                                    FilterChain filterChain)
+            throws ServletException, IOException {
+
+    	// 1. 필터 대상
+        if (!isTarget(request)) {
+            filterChain.doFilter(request, response);
+            return;
+        }
+
+        // 2. 요청 전문 읽기
+        String body = readBody(request);
+        if (body == null || body.isEmpty()) {
+            filterChain.doFilter(request, response);
+            return;
+        }
+
+        String modifiedBody = body;
+
+        try {
+            Object json = JSONValue.parse(body);
+
+            // 3. 예제: ROOTLESS ARRAY 보정
+            if (json instanceof JSONArray) {
+                JSONObject wrap = new JSONObject();
+                wrap.put("KJB_ROOTLESS_ARRAY", json);
+                modifiedBody = wrap.toJSONString();
+            }
+
+        } catch (Exception e) {
+            // 변조 실패 → 원본 유지
+            modifiedBody = body;
+        }
+        
+        byte[] bytes = modifiedBody.getBytes(request.getCharacterEncoding() != null ? request.getCharacterEncoding() : Charset.defaultCharset().name() );
+
+        // 5. Wrapper로 재주입
+        HttpServletRequest wrapped =
+                new CachedBodyHttpServletRequest(request, bytes);
+
+        filterChain.doFilter(wrapped, response);
+    }
+
+    private boolean isTarget(HttpServletRequest request) {
+        String uri = request.getRequestURI();
+
+
+        return ("POST".equals(request.getMethod()) || "PUT".equals(request.getMethod()))
+                && (uri.startsWith("/api") || uri.startsWith("/mapi") ) && !uri.startsWith("/mapi/oauth2/token");
+    }
+
+    private String readBody(HttpServletRequest request) throws IOException {
+        StringBuilder sb = new StringBuilder();
+        try (BufferedReader br = request.getReader()) {
+            String line;
+            while ((line = br.readLine()) != null) {
+                sb.append(line);
+            }
+        }
+        return sb.toString();
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/eactive/eai/adapter/controller/ApiResponseAdvice.java b/src/main/java/com/eactive/eai/adapter/controller/ApiResponseAdvice.java
new file mode 100644
index 0000000..4827f88
--- /dev/null
+++ b/src/main/java/com/eactive/eai/adapter/controller/ApiResponseAdvice.java
@@ -0,0 +1,52 @@
+package com.eactive.eai.adapter.controller;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.JSONValue;
+import org.springframework.core.MethodParameter;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.server.ServerHttpRequest;
+import org.springframework.http.server.ServerHttpResponse;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
+
+@RestControllerAdvice
+public class ApiResponseAdvice implements ResponseBodyAdvice<Object> {
+
+	@Override
+	public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
+		// TODO Auto-generated method stub
+		return true;
+	}
+
+	@Override
+	public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType,
+			Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request,
+			ServerHttpResponse response) {
+
+		if (body instanceof String) {
+
+			return removeRootlessArrayKeyFormResponseBody((String) body);
+		}
+
+		return body;
+	}
+
+	String removeRootlessArrayKeyFormResponseBody(String body) {
+		try {
+			Object root = JSONValue.parse(body);
+
+			if (root instanceof JSONObject && ((JSONObject) root).containsKey("KJB_ROOTLESS_ARRAY")) {
+				JSONArray jsonArray = (JSONArray) ((JSONObject) root).get("KJB_ROOTLESS_ARRAY");
+				return jsonArray.toJSONString();
+			} else {
+				return body;
+			}
+		} catch (Exception e) {
+			return body;
+		}
+
+	}
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/eactive/eai/adapter/controller/CachedBodyHttpServletRequest.java b/src/main/java/com/eactive/eai/adapter/controller/CachedBodyHttpServletRequest.java
new file mode 100644
index 0000000..c3c0f9e
--- /dev/null
+++ b/src/main/java/com/eactive/eai/adapter/controller/CachedBodyHttpServletRequest.java
@@ -0,0 +1,51 @@
+package com.eactive.eai.adapter.controller;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.InputStreamReader;
+
+import javax.servlet.ReadListener;
+import javax.servlet.ServletInputStream;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+
+public class CachedBodyHttpServletRequest extends HttpServletRequestWrapper {
+
+	 private final byte[] cachedBody;
+
+	    public CachedBodyHttpServletRequest(HttpServletRequest request, byte[] body) {
+	        super(request);
+	        this.cachedBody = body;
+	    }
+
+	    @Override
+	    public ServletInputStream getInputStream() {
+	        ByteArrayInputStream bais = new ByteArrayInputStream(cachedBody);
+
+	        return new ServletInputStream() {
+	            @Override
+	            public int read() {
+	                return bais.read();
+	            }
+
+	            @Override
+	            public boolean isFinished() {
+	                return bais.available() == 0;
+	            }
+
+	            @Override
+	            public boolean isReady() {
+	                return true;
+	            }
+
+	            @Override
+	            public void setReadListener(ReadListener readListener) {
+	            }
+	        };
+	    }
+
+	    @Override
+	    public BufferedReader getReader() {
+	        return new BufferedReader(new InputStreamReader(getInputStream()));
+	    }
+	}