diff --git a/www-api/app/Controllers/WrenchJobs.php b/www-api/app/Controllers/WrenchJobs.php
index d277af5f..f7d3de41 100644
--- a/www-api/app/Controllers/WrenchJobs.php
+++ b/www-api/app/Controllers/WrenchJobs.php
@@ -140,10 +140,13 @@ class WrenchJobs extends BaseController
     public function contractHx(){
         $raw_json = file_get_contents('php://input');
         $in = json_decode($raw_json, true);
-
-        $out=[];
-        $local_url = "http://".$this->micro_service_net1.":3033/contractHx";
-        $out = $this->APIcall('GET', $local_url, $in );
+        $endpoint = "USER_CONTRACT_HX-". $in["uid"];
+        $out = $this->getCache($endpoint);
+        if ( count($out)==0 ){
+            $local_url = "http://".$this->micro_service_net1.":3033/contractHx";
+            $out = $this->APIcall('GET', $local_url, $in );
+            $this->saveCache($endpoint,$out,360);
+        }
         return $this->respond( $this->summaryReturnData($in,$out), 3000);
     }