diff --git a/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiInterfaceService.java b/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiInterfaceService.java
index f46f749..c3c521a 100644
--- a/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiInterfaceService.java
+++ b/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiInterfaceService.java
@@ -553,7 +553,7 @@ public class ApiInterfaceService extends OnlBaseService {
             restOption.setMethod(outboundHttpMethod);
             restOption.setExtraPath(outboundRestPath);
 
-            String pathType = outboundRestPath.matches(".*\\{[a-zA-Z]+\\}.*") ? "variableUrlRequest" : "simpleRequest";
+            String pathType = outboundRestPath.matches(".*\\{[_a-zA-Z]+\\}.*") ? "variableUrlRequest" : "simpleRequest";
             restOption.setType(pathType);
 
             if (StringUtils.isNotBlank(contentType)) {