diff --git a/jsonrpclib/SimpleJSONRPCServer.py b/jsonrpclib/SimpleJSONRPCServer.py
index e6a46f3..f0a9746 100644
--- a/jsonrpclib/SimpleJSONRPCServer.py
+++ b/jsonrpclib/SimpleJSONRPCServer.py
@@ -179,7 +179,10 @@ def do_POST(self):
             response = fault.response()
         if response is None:
             response = ''
-        self.send_header("Content-type", "application/json-rpc")
+        self.send_header("Content-type", "application/json")
+        self.send_header("Access-Control-Allow-Origin", "*")
+        self.send_header("Access-Control-Allow-Methods", "POST,OPTIONS")
+        self.send_header("Access-Control-Allow-Headers", "x-api-key,Content-Type")
         self.send_header("Content-length", str(len(response)))
         self.end_headers()
         if isinstance(response, bytes):
@@ -188,6 +191,13 @@ def do_POST(self):
             self.wfile.write(response.encode())
         self.wfile.flush()
         self.connection.shutdown(1)
+        
+    def do_OPTIONS(self):
+        self.send_response(200)
+        self.send_header("Access-Control-Allow-Origin", "*")
+        self.send_header("Access-Control-Allow-Methods", "POST,OPTIONS")
+        self.send_header("Access-Control-Allow-Headers", "x-api-key,Content-Type")
+        self.end_headers()  
 
 
 class SimpleJSONRPCUnixRequestHandler(SimpleJSONRPCRequestHandler):