diff --git a/DeFi-Data-Engine/Api-Handler/src/main/java/org/stream/external/requester/RequestFramework.java b/DeFi-Data-Engine/Api-Handler/src/main/java/org/stream/external/requester/RequestFramework.java
index 765cc9e1..a27dddbd 100644
--- a/DeFi-Data-Engine/Api-Handler/src/main/java/org/stream/external/requester/RequestFramework.java
+++ b/DeFi-Data-Engine/Api-Handler/src/main/java/org/stream/external/requester/RequestFramework.java
@@ -1,6 +1,8 @@
 package org.stream.external.requester;
 
 import java.util.HashMap;
+import java.util.List;
+import java.util.stream.Collectors;
 
 import okhttp3.Request;
 import okhttp3.Request.Builder;
@@ -18,7 +20,7 @@ public RequestFramework(String url, HashMap<String, String> properties, HashMap<
 		this.tags = tags;
 	}
 
-	private final Request getRequest(HashMap<String, String> properties, HashMap<String, String> headers) {
+	protected final Request getRequest(HashMap<String, String> properties, HashMap<String, String> headers) {
 		HashMap<String, String> all_properties = new HashMap<String, String>();
 		HashMap<String, String> all_headers = new HashMap<String, String>();
 		
@@ -90,9 +92,14 @@ private final Request getRequest(HashMap<String, String> properties, HashMap<Str
 	public final String[] getTags() {
 		return this.tags;
 	}
-	
-	protected void request(HashMap<String, String> properties, HashMap<String, String> headers) {
+
+	@SuppressWarnings("unchecked")
+	public final void request(HashMap<String, String> properties, HashMap<String, String> headers) {
+		// clone maps and push to process
+		HashMap<String, String> cloned_properties = (HashMap<String, String>) properties.clone();
+		HashMap<String, String> cloned_headers = (HashMap<String, String>) headers.clone();
 		
+		process(cloned_properties, cloned_headers);
 	}
 	
 	protected abstract void process(HashMap<String, String> properties, HashMap<String, String> headers);
diff --git a/DeFi-Data-Engine/Api-Handler/target/classes/org/stream/external/requester/RequestFramework.class b/DeFi-Data-Engine/Api-Handler/target/classes/org/stream/external/requester/RequestFramework.class
index e8e0027b..3ed11161 100644
Binary files a/DeFi-Data-Engine/Api-Handler/target/classes/org/stream/external/requester/RequestFramework.class and b/DeFi-Data-Engine/Api-Handler/target/classes/org/stream/external/requester/RequestFramework.class differ