diff --git a/CRM/TwingleCampaign/BAO/TwingleApiCall.php b/CRM/TwingleCampaign/BAO/TwingleApiCall.php
index 08e1f5f..7f82be5 100644
--- a/CRM/TwingleCampaign/BAO/TwingleApiCall.php
+++ b/CRM/TwingleCampaign/BAO/TwingleApiCall.php
@@ -41,6 +41,9 @@ class CRM_TwingleCampaign_BAO_TwingleApiCall {
     curl_close($curl);
 
     if (empty($response)) {
+      // Delete api key from cache
+      Civi::cache()->delete('twinglecampaign_twingle_api');
+      // Throw exception
       throw new API_Exception(
         "Twingle API call failed. Please check your api key.");
     }
diff --git a/CRM/TwingleCampaign/Form/Settings.php b/CRM/TwingleCampaign/Form/Settings.php
index 8c57906..3cad412 100644
--- a/CRM/TwingleCampaign/Form/Settings.php
+++ b/CRM/TwingleCampaign/Form/Settings.php
@@ -53,6 +53,11 @@ class CRM_TwingleCampaign_Form_Settings extends CRM_Core_Form {
   //TODO: validate Twingle API key
 
   public function postProcess() {
+
+    // Delete api key from cache
+    Civi::cache()->delete('twinglecampaign_twingle_api');
+
+    // Set configuration values
     Configuration::set($this->exportValues());
     parent::postProcess();
   }
diff --git a/api/v3/TwingleSync/Sync.php b/api/v3/TwingleSync/Sync.php
index 7e098e9..ce8e895 100644
--- a/api/v3/TwingleSync/Sync.php
+++ b/api/v3/TwingleSync/Sync.php
@@ -77,7 +77,12 @@ function civicrm_api3_twingle_sync_Sync($params) {
     : trim($params['twingle_api_key']);
   // If function call does not provide a limit, set a default value
   $limit = ($params['limit']) ?? 20;
-  $twingleApi = new TwingleApiCall($apiKey, $limit);
+
+  // Try to retrieve twingleApi from cache
+  $twingleApi = Civi::cache()->get('twinglecampaign_twingle_api');
+  if (NULL === $twingleApi) {
+    $twingleApi = new TwingleApiCall($apiKey, $limit);
+  }
 
   if ($params['id'] && !$params['project_id']) {
     // Get single TwingleProject