diff --git a/src/mtconnect/sink/rest_sink/server.cpp b/src/mtconnect/sink/rest_sink/server.cpp
index 93b387e1..f9e42baf 100644
--- a/src/mtconnect/sink/rest_sink/server.cpp
+++ b/src/mtconnect/sink/rest_sink/server.cpp
@@ -312,6 +312,23 @@ namespace mtconnect::sink::rest_sink {
         {
           AutoJsonObject<T> obj(writer, "200");
           obj.AddPairs("description", "OK");
+          {
+            AutoJsonObject<T> obj(writer, "content");
+            {
+              AutoJsonObject<T> obj(writer, "application/xml");
+              {
+                AutoJsonObject<T> obj(writer, "schema");
+                obj.AddPairs("type", "string");
+              }
+            }
+            {
+              AutoJsonObject<T> obj(writer, "application/json");
+              {
+                AutoJsonObject<T> obj(writer, "schema");
+                obj.AddPairs("type", "object");
+              }
+            }
+          }
         }
       }
     }