diff --git a/lib/Service/DocusignAPIService.php b/lib/Service/DocusignAPIService.php
index 3c6a105..51dc994 100644
--- a/lib/Service/DocusignAPIService.php
+++ b/lib/Service/DocusignAPIService.php
@@ -322,18 +322,7 @@ public function apiRequest(?string $baseUrl, string $accessToken, string $refres
 
 			if (count($params) > 0) {
 				if ($method === 'GET') {
-					// manage array parameters
-					$paramsContent = '';
-					foreach ($params as $key => $value) {
-						if (is_array($value)) {
-							foreach ($value as $oneArrayValue) {
-								$paramsContent .= $key . '[]=' . urlencode($oneArrayValue) . '&';
-							}
-							unset($params[$key]);
-						}
-					}
-					$paramsContent .= http_build_query($params);
-					$url .= '?' . $paramsContent;
+					$url .= '?' . http_build_query($params);
 				} else {
 					$options['body'] = json_encode($params);
 				}
@@ -393,8 +382,7 @@ public function requestOAuthAccessToken(string $url, string $clientId, string $c
 
 			if (count($params) > 0) {
 				if ($method === 'GET') {
-					$paramsContent = http_build_query($params);
-					$url .= '?' . $paramsContent;
+					$url .= '?' . http_build_query($params);
 				} else {
 					$options['body'] = $params;
 				}