diff --git a/src/main/java/com/eactive/testmaster/client/controller/ApiRequestMgmtController.java b/src/main/java/com/eactive/testmaster/client/controller/ApiRequestMgmtController.java
index 3bf1e0e..22ebf4b 100644
--- a/src/main/java/com/eactive/testmaster/client/controller/ApiRequestMgmtController.java
+++ b/src/main/java/com/eactive/testmaster/client/controller/ApiRequestMgmtController.java
@@ -13,6 +13,7 @@ import com.eactive.testmaster.common.util.SecurityUtil;
 import com.eactive.testmaster.user.entity.StaffUser;
 import com.eactive.testmaster.user.service.UserService;
 import java.util.List;
+import java.util.Collections;
 import javax.transaction.Transactional;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -24,7 +25,7 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 public class ApiRequestMgmtController {
 
-    private static final String SUCCESS = "success";
+    private static final String SUCCESS = "{\"success\" : true }";
     private final ApiRequestMgmtService apiRequestMgmtService;
 
     private final ApiLayoutMgmtService apiLayoutMgmtService;
@@ -58,7 +59,7 @@ public class ApiRequestMgmtController {
         collection.setOwner(user);
 
         apiRequestMgmtService.createNewApiCollection(collection);
-        return ResponseEntity.ok(SUCCESS);
+        return ResponseEntity.ok().body(SUCCESS);
     }
 
 
@@ -66,18 +67,18 @@ public class ApiRequestMgmtController {
     public ResponseEntity<String> updateApiCollection(@RequestBody ApiCollectionDTO dto) {
         ApiCollection updated = apiRequestMapper.map(dto);
         apiRequestMgmtService.updateApiCollectionName(updated.getId(), updated);
-        return ResponseEntity.ok(SUCCESS);
+        return ResponseEntity.ok().body(SUCCESS);
     }
 
     @PostMapping("/mgmt/collections/delete.do")
     public ResponseEntity<String> deleteApiCollection(@RequestBody ApiCollectionDTO dto) {
         apiRequestMgmtService.deleteApiCollection(dto.getId());
-        return ResponseEntity.ok(SUCCESS);
+        return ResponseEntity.ok().body(SUCCESS);
     }
 
     @PostMapping("/mgmt/collections/{id}/apis/save.do")
     @Transactional
-    public ResponseEntity<String> addApiToCollection(@PathVariable(name = "id") String id, @RequestBody ApiRequestDTO dto) {
+    public ResponseEntity<?> addApiToCollection(@PathVariable(name = "id") String id, @RequestBody ApiRequestDTO dto) {
         ApiRequestInfo apiRequestInfo = apiRequestMapper.map(dto);
         StaffUser user = userService.findByEsntlId(SecurityUtil.getCurrentUserEsntlId());
         apiRequestInfo.setOwner(user);
@@ -88,7 +89,7 @@ public class ApiRequestMgmtController {
             dto.getLayout().setId(apiId);
             apiLayoutMgmtService.saveLayout(apiLayoutMapper.map(dto.getLayout()));
         }
-        return ResponseEntity.ok(apiId);
+        return ResponseEntity.ok(Collections.singletonMap("apiId", apiId));
 
     }
 
@@ -100,7 +101,7 @@ public class ApiRequestMgmtController {
             apiLayoutMgmtService.deleteLayout(layout.getId());
         }
         apiRequestMgmtService.removeApiFromCollection(id, dto.getId());
-        return ResponseEntity.ok(SUCCESS);
+        return ResponseEntity.ok().body(SUCCESS);
     }
 
 }