diff --git a/WebContent/jsp/onl/kjb/statistics/apiUseStatsMan.jsp b/WebContent/jsp/onl/kjb/statistics/apiUseStatsMan.jsp
index 49d9b70..47696c0 100644
--- a/WebContent/jsp/onl/kjb/statistics/apiUseStatsMan.jsp
+++ b/WebContent/jsp/onl/kjb/statistics/apiUseStatsMan.jsp
@@ -15,6 +15,12 @@
 	<jsp:include page="/jsp/common/include/css.jsp"/>
 	<jsp:include page="/jsp/common/include/script.jsp"/>
 	<script src="<c:url value="/addon/echarts/echarts.min.js"/>"></script>
+	<style>
+		/* 합계(footer) 행 높이를 본문 행 높이(23px)와 동일하게 맞춤 */
+		#gbox_grid .ui-jqgrid-ftable tr.footrow td {
+			height: 23px;
+		}
+	</style>
 	<script language="javascript">
 		var url = '<c:url value="/onl/kjb/statistics/apiUseStatsMan.json"/>';
 		var url_view = '<c:url value="/onl/kjb/statistics/apiUseStatsMan.view"/>';
@@ -63,7 +69,7 @@
 		function search() {
 			var postData = getPostData("cmd", "LIST");
 			if (postData) {
-				$("#grid").setGridParam({ url: url, postData: postData, page: 1 }).trigger("reloadGrid");
+				$("#grid").setGridParam({ url: url, postData: postData }).trigger("reloadGrid");
 			}
 		}
 
@@ -198,19 +204,17 @@
 					{ name: 'maxRespTime', align: 'right', width: '90', formatter: numberFormatter, sortable: false }
 				],
 				jsonReader: { repeatitems: false },
-				pager: $('#pager'),
-				page: '${param.page}',
-				rowNum: '${rmsDefaultRowNum}',
-				autoheight: true,
-				height: 'auto',
+				height: 500,			
 				autowidth: true,
-				viewrecords: true,
-				rowList: eval('[${rmsDefaultRowList}]'),
+				footerrow: true,
+				userDataOnFooter: true,
 				loadComplete: function(d) {
 					var colModel = $(this).getGridParam("colModel");
 					for (var i = 0; i < colModel.length; i++) {
 						$(this).setColProp(colModel[i].name, { sortable: false });
 					}
+
+					$(".ui-jqgrid-ftable td").css({ "font-weight": "bold", "background-color": "#f5f5f5" });
 				}
 			});
 		}
@@ -308,7 +312,6 @@
 
 		<div>
 			<table id="grid"></table>
-			<div id="pager"></div>
 		</div>
 
 		
diff --git a/src/main/java/com/eactive/eai/rms/common/vo/GridResponse.java b/src/main/java/com/eactive/eai/rms/common/vo/GridResponse.java
index 730767e..252da47 100644
--- a/src/main/java/com/eactive/eai/rms/common/vo/GridResponse.java
+++ b/src/main/java/com/eactive/eai/rms/common/vo/GridResponse.java
@@ -1,6 +1,7 @@
 package com.eactive.eai.rms.common.vo;
 
 import java.util.List;
+import java.util.Map;
 
 import org.springframework.data.domain.Page;
 
@@ -10,7 +11,9 @@ public class GridResponse<T> {
 	private Integer page;
 	private Long records;
 	private List<T> rows;
-	
+	/** jqGrid footerrow + userDataOnFooter 용 하단 합계행 데이터 (colModel name -> value) */
+	private Map<String, Object> userdata;
+
 	public GridResponse() {
 	}
 	
@@ -53,7 +56,15 @@ public class GridResponse<T> {
 	public void setRows(List<T> rows) {
 		this.rows = rows;
 	}
-	
+
+	public Map<String, Object> getUserdata() {
+		return userdata;
+	}
+
+	public void setUserdata(Map<String, Object> userdata) {
+		this.userdata = userdata;
+	}
+
 	public GridResponse(List<T> rows) {
         this.rows = rows;
         this.total = 1;
diff --git a/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsController.java b/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsController.java
index 90278a1..06d7669 100644
--- a/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsController.java
+++ b/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsController.java
@@ -3,12 +3,12 @@ package com.eactive.eai.rms.ext.djb.statistics;
 import java.io.IOException;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 import javax.servlet.http.HttpServletResponse;
 
-import org.springframework.data.domain.Page;
-import org.springframework.data.domain.Pageable;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -35,9 +35,30 @@ public class ApiUseStatsController {
 	}
 
 	@PostMapping(value = "/onl/kjb/statistics/apiUseStatsMan.json", params = "cmd=LIST")
-	public ResponseEntity<GridResponse<ApiStatsUI>> selectList(ApiStatsSearch search, Pageable pageable) {
-		Page<ApiStatsUI> page = service.selectList(search, pageable);
-		return ResponseEntity.ok(new GridResponse<>(page));
+	public ResponseEntity<GridResponse<ApiStatsUI>> selectList(ApiStatsSearch search) {
+		List<ApiStatsUI> list = service.selectList(search);
+
+		GridResponse<ApiStatsUI> response = new GridResponse<>(list);
+		ApiStatsUI total = service.selectTotal(search);
+		if (total != null) {
+			response.setUserdata(toFooterData(total));
+		}
+		return ResponseEntity.ok(response);
+	}
+
+	private Map<String, Object> toFooterData(ApiStatsUI total) {
+		Map<String, Object> footer = new LinkedHashMap<>();
+		footer.put("orgName", "합계");
+		footer.put("totalCnt", total.getTotalCnt());
+		footer.put("successCnt", total.getSuccessCnt());
+		footer.put("successRate", total.getSuccessRate());
+		footer.put("failRate", total.getFailRate());
+		footer.put("timeoutCnt", total.getTimeoutCnt());
+		footer.put("systemErrCnt", total.getSystemErrCnt());
+		footer.put("avgRespTime", total.getAvgRespTime());
+		footer.put("minRespTime", total.getMinRespTime());
+		footer.put("maxRespTime", total.getMaxRespTime());
+		return footer;
 	}
 
 	@PostMapping(value = "/onl/kjb/statistics/apiUseStatsMan.json", params = "cmd=EXCEL_EXPORT")
@@ -57,6 +78,12 @@ public class ApiUseStatsController {
 				return;
 			}
 
+			ApiStatsUI total = service.selectTotal(search);
+			if (total != null) {
+				total.setOrgName("합계");
+				uiList.add(total);
+			}
+
 			String fileName = generateFileName(search);
 			log.info("Generating Excel file: {}", fileName);
 
diff --git a/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsService.java b/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsService.java
index fa4ed1c..4cddf6d 100644
--- a/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsService.java
+++ b/src/main/java/com/eactive/eai/rms/ext/djb/statistics/ApiUseStatsService.java
@@ -10,9 +10,6 @@ import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
 import javax.persistence.Query;
 
-import org.springframework.data.domain.Page;
-import org.springframework.data.domain.PageImpl;
-import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -33,23 +30,6 @@ public class ApiUseStatsService
 	@PersistenceContext
 	private EntityManager entityManager;
 
-	@SuppressWarnings("unchecked")
-	public Page<ApiStatsUI> selectList(ApiStatsSearch search, Pageable pageable) {
-		Query dataQuery = getDataQuery(search);
-		dataQuery.setFirstResult((int) pageable.getOffset());
-		dataQuery.setMaxResults(pageable.getPageSize());
-
-		List<Object[]> rows = dataQuery.getResultList();
-		List<ApiStatsUI> results = rows.stream()
-						                .map(this::toVO)
-						                .collect(Collectors.toList());
-		
-		long records = rows.size() > 0 ? StringUtils.toLong(rows.get(0)[0]) : 0;
-				
-		return new PageImpl<>(results, pageable, records);
-	}
-	
-	
 	@SuppressWarnings("unchecked")
 	public List<ApiStatsUI> selectList(ApiStatsSearch search) {
 		Query dataQuery = getDataQuery(search);
@@ -59,15 +39,65 @@ public class ApiUseStatsService
                 .collect(Collectors.toList());
 	}
 	
+
+	/**
+	 * 하단 합계(Total)행 조회 (grid footer 용, 그룹핑 없이 전체 집계)
+	 */
+	@SuppressWarnings("unchecked")
+	public ApiStatsUI selectTotal(ApiStatsSearch search) {
+		Query totalQuery = getTotalQuery(search);
+		List<Object[]> rows = totalQuery.getResultList();
+		return rows.isEmpty() ? null : toVO(rows.get(0));
+	}
+	
 		
 	private Query getDataQuery(ApiStatsSearch search) {
+
 		StringBuilder where = buildNativeWhere(search);
 		
 		String dataSql = "";
 		if ("ORG".equals(search.getSearchType())) {
-			dataSql = "SELECT COUNT(*) OVER () AS RECORDS "
-				+ ", NVL(B.ORGNAME, D.ORG_NAME) AS ORGNAME"
-				+ ", SUM(A.TOTAL_CNT)"
+			dataSql = "SELECT NVL(B.ORGNAME, D.ORG_NAME) AS ORGNAME";
+			dataSql += getCommonQuery(search);			
+			dataSql += " GROUP BY NVL(B.ORGNAME, D.ORG_NAME)";
+			dataSql += " ORDER BY ORGNAME";
+		}
+		else if ("API".equals(search.getSearchType())) {
+			dataSql = "SELECT A.API_NAME ";
+			dataSql += getCommonQuery(search);			
+			dataSql += " GROUP BY A.API_NAME";
+			dataSql += " ORDER BY API_NAME";
+		} 
+		else if ("DATE".equals(search.getSearchType())) {
+			dataSql = "SELECT TO_CHAR(STAT_TIME,'YYYY-MM-DD') AS STAT_TIME ";
+			dataSql += getCommonQuery(search);		
+			dataSql += " GROUP BY TO_CHAR(STAT_TIME,'YYYY-MM-DD')";
+			dataSql += " ORDER BY STAT_TIME";
+		}
+		
+		Query dataQuery = entityManager.createNativeQuery(dataSql);
+		bindParams(dataQuery, search);
+		return dataQuery;
+	}
+
+
+	private Query getTotalQuery(ApiStatsSearch search) {
+		StringBuilder where = buildNativeWhere(search);
+		
+		String totalSql;
+		totalSql = "SELECT '합계' AS ORGNAME ";
+		totalSql += getCommonQuery(search);	
+		
+		Query totalQuery = entityManager.createNativeQuery(totalSql);
+		bindParams(totalQuery, search);
+		return totalQuery;
+	}
+	
+
+	
+	private String getCommonQuery(ApiStatsSearch search) {
+
+		String dataSql = ", SUM(A.TOTAL_CNT)"
 				+ ", SUM(A.SUCCESS_CNT)"
 				+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN SUM(A.SUCCESS_CNT) * 100 / SUM(A.TOTAL_CNT) ELSE NULL END"
 				+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN (SUM(A.TOTAL_CNT) - SUM(A.SUCCESS_CNT)) * 100 / SUM(A.TOTAL_CNT) ELSE NULL END"
@@ -87,7 +117,7 @@ public class ApiUseStatsService
 			    + "             , A.SYSTEM_ERR_CNT"
 			    + "             , A.MIN_RESP_TIME"
 			    + "             , A.MAX_RESP_TIME"
-			    + "             , CASE WHEN API_NAME LIKE '%1' THEN SUBSTR(INBOUND_ADAPTER,2,3) ELSE SUBSTR(OUTBOUND_ADAPTER,2,3) END AS ORG_CODE"
+			    + "             , CASE WHEN API_NAME LIKE '%1' THEN SUBSTR(OUTBOUND_ADAPTER,2,3) ELSE SUBSTR(INBOUND_ADAPTER,2,3) END AS ORG_CODE"
 			    + "        FROM API_STATS_DAY A "
 			    + "       WHERE A.STAT_TIME >= :searchStartDate "
 				+ "         AND A.STAT_TIME <= :searchEndDate ";
@@ -105,80 +135,40 @@ public class ApiUseStatsService
 		    if (StringUtils.isNotBlank(search.getSearchOrgName())) {
 		    	dataSql += " AND UPPER(NVL(B.ORGNAME, D.ORG_NAME)) LIKE :searchOrgName ";
 			}
-			
-			dataSql += " GROUP BY NVL(B.ORGNAME, D.ORG_NAME)"
-				    + " ORDER BY ORGNAME";
-			
-		} 
-		else if ("API".equals(search.getSearchType())) {
-			dataSql = "SELECT COUNT(*) OVER () AS RECORDS "
-					+ ", A.API_NAME"
-					+ ", SUM(A.TOTAL_CNT)"
-					+ ", SUM(A.SUCCESS_CNT)"
-					+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN SUM(A.SUCCESS_CNT) * 100 / SUM(A.TOTAL_CNT) ELSE NULL END"
-					+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN (SUM(A.TOTAL_CNT) - SUM(A.SUCCESS_CNT)) * 100 / SUM(A.TOTAL_CNT) ELSE NULL END"
-					+ ", SUM(A.TIMEOUT_CNT)"
-					+ ", SUM(A.SYSTEM_ERR_CNT)"
-					+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN TRUNC(SUM(A.TOTAL_CNT * A.AVG_RESP_TIME) / SUM(A.TOTAL_CNT)) ELSE NULL END"
-					+ ", MIN(A.MIN_RESP_TIME)"
-					+ ", MAX(A.MAX_RESP_TIME)"
-					+ " FROM API_STATS_DAY A "
-					+ " LEFT OUTER JOIN TSEAIAU01 B ON A.CLIENT_ID = B.CLIENTID"
-					+ where
-					+ " GROUP BY A.API_NAME"
-					+ " ORDER BY API_NAME";
-		} 
-		else if ("DATE".equals(search.getSearchType())) {
-			dataSql = "SELECT COUNT(*) OVER () AS RECORDS "
-					+ ", TO_CHAR(STAT_TIME,'YYYY-MM-DD') AS STAT_TIME "
-					+ ", SUM(A.TOTAL_CNT)"
-					+ ", SUM(A.SUCCESS_CNT)"
-					+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN SUM(A.SUCCESS_CNT) * 100 / SUM(A.TOTAL_CNT) ELSE NULL END"
-					+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN (SUM(A.TOTAL_CNT) - SUM(A.SUCCESS_CNT)) * 100 / SUM(A.TOTAL_CNT) ELSE NULL END"
-					+ ", SUM(A.TIMEOUT_CNT)"
-					+ ", SUM(A.SYSTEM_ERR_CNT)"
-					+ ", CASE WHEN SUM(A.TOTAL_CNT) > 0 THEN TRUNC(SUM(A.TOTAL_CNT * A.AVG_RESP_TIME) / SUM(A.TOTAL_CNT)) ELSE NULL END"
-					+ ", MIN(A.MIN_RESP_TIME)"
-					+ ", MAX(A.MAX_RESP_TIME)"
-					+ " FROM API_STATS_DAY A "
-					+ " LEFT OUTER JOIN TSEAIAU01 B ON A.CLIENT_ID = B.CLIENTID"
-					+ where
-					+ " GROUP BY TO_CHAR(STAT_TIME,'YYYY-MM-DD')"
-					+ " ORDER BY STAT_TIME";
-		}
-		
-		Query dataQuery = entityManager.createNativeQuery(dataSql);
-		
-		
-		dataQuery.setParameter("searchStartDate", search.getParsedStartDate());
-		dataQuery.setParameter("searchEndDate", search.getParsedEndDate());
+		    
+		return dataSql;
+	}
+
+
+
+	private void bindParams(Query query, ApiStatsSearch search) {
+		query.setParameter("searchStartDate", search.getParsedStartDate());
+		query.setParameter("searchEndDate", search.getParsedEndDate());
 
 		if (StringUtils.isNotBlank(search.getSearchApiName())) {
-			dataQuery.setParameter("searchApiName", "%" + search.getSearchApiName().toUpperCase() + "%");
+			query.setParameter("searchApiName", "%" + search.getSearchApiName().toUpperCase() + "%");
 		}
 		if (StringUtils.isNotBlank(search.getSearchOrgName())) {
-			dataQuery.setParameter("searchOrgName", "%" + search.getSearchOrgName().toUpperCase() + "%");
+			query.setParameter("searchOrgName", "%" + search.getSearchOrgName().toUpperCase() + "%");
 		}
-		
-		return dataQuery;
 	}
-	
+
 
 	/**
      * Native Query 결과를 ApiStatsUI로 변환
      */
     private ApiStatsUI toVO(Object[] row) {
     	ApiStatsUI vo = new ApiStatsUI();
-		vo.setOrgName(StringUtils.toString(row[1]));
-		vo.setTotalCnt(StringUtils.toLong(row[2]));
-		vo.setSuccessCnt(StringUtils.toLong(row[3]));
-		vo.setSuccessRate(StringUtils.toDecimal(row[4]).setScale(2, RoundingMode.HALF_UP));
-		vo.setFailRate(StringUtils.toDecimal(row[5]).setScale(2, RoundingMode.HALF_UP));
-		vo.setTimeoutCnt(StringUtils.toLong(row[6]));
-		vo.setSystemErrCnt(StringUtils.toLong(row[7]));
-		vo.setAvgRespTime(StringUtils.toDecimal(row[8]));
-		vo.setMinRespTime(StringUtils.toDecimal(row[9]));
-		vo.setMaxRespTime(StringUtils.toDecimal(row[10]));
+		vo.setOrgName(StringUtils.toString(row[0]));
+		vo.setTotalCnt(StringUtils.toLong(row[1]));
+		vo.setSuccessCnt(StringUtils.toLong(row[2]));
+		vo.setSuccessRate(StringUtils.toDecimal(row[3]).setScale(2, RoundingMode.HALF_UP));
+		vo.setFailRate(StringUtils.toDecimal(row[4]).setScale(2, RoundingMode.HALF_UP));
+		vo.setTimeoutCnt(StringUtils.toLong(row[5]));
+		vo.setSystemErrCnt(StringUtils.toLong(row[6]));
+		vo.setAvgRespTime(StringUtils.toDecimal(row[7]));
+		vo.setMinRespTime(StringUtils.toDecimal(row[8]));
+		vo.setMaxRespTime(StringUtils.toDecimal(row[9]));
         return vo;
     }