diff --git a/htdocs/commande/class/api_orders.class.php b/htdocs/commande/class/api_orders.class.php
index db8c279b575..5cba8258a8d 100644
--- a/htdocs/commande/class/api_orders.class.php
+++ b/htdocs/commande/class/api_orders.class.php
@@ -579,13 +579,13 @@ class Orders extends DolibarrApi
 	}
 
 	/**
-	 * Get contacts of given order
+	 * Get contacts of a given order
 	 *
 	 * Return an array with contact information
 	 *
-	 * @param	int		$id			ID of order
-	 * @param	string	$type		Type of the contact (BILLING, SHIPPING, CUSTOMER)
-	 * @return	Object				Object with cleaned properties
+	 * @param	int					$id			ID of order
+	 * @param	string				$type		Type of the contact ('BILLING', 'SHIPPING', 'CUSTOMER', ...)
+	 * @return	array<int,mixed>				Array of contacts
 	 *
 	 * @url	GET {id}/contacts
 	 *
@@ -608,7 +608,7 @@ class Orders extends DolibarrApi
 
 		$contacts = $this->commande->liste_contact(-1, 'external', 0, $type);
 
-		return $this->_cleanObjectDatas($contacts);
+		return $contacts;
 	}
 
 	/**
diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index 7e5f14166aa..44f12551acd 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -1905,7 +1905,7 @@ class Contact extends CommonObject
 	 * Get thirdparty contact roles of a given contact
 	 *
 	 * @param  string 	$element 	Element type
-	 * @return array<array{fk_socpeople:int,type_contact:int}>|int<-1,-1>	Array of contact roles or -1
+	 * @return array<array{fk_socpeople:int,type_contact:int}>|int<-1,-1>	Array of contact roles or -1 if error
 	 * @throws Exception
 	 */
 	public function getContactRoles($element = '')
@@ -1921,20 +1921,19 @@ class Contact extends CommonObject
 		$sql .= ", ".MAIN_DB_PREFIX."societe_contacts sc";
 		$sql .= " INNER JOIN ".MAIN_DB_PREFIX."socpeople sp";
 		$sql .= " ON sc.fk_socpeople = sp.rowid AND sp.statut = 1";
-		$sql .= " WHERE sc.fk_soc =".((int) $this->socid);
+		$sql .= " WHERE sc.fk_soc = ".((int) $this->socid);
 		$sql .= " AND sc.fk_c_type_contact=tc.rowid";
 		$sql .= " AND tc.element = '".$this->db->escape($element)."'";
 		$sql .= " AND sp.entity IN (".getEntity('contact').")";
 		$sql .= " AND tc.active = 1";
 
-		dol_syslog(__METHOD__, LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if ($resql) {
 			$num = $this->db->num_rows($resql);
 			$i = 0;
 			while ($i < $num) {
 				$obj = $this->db->fetch_object($resql);
-				$tab[] = array('fk_socpeople' => $obj->id, 'type_contact' => $obj->fk_c_type_contact);
+				$tab[$obj->id] = array('fk_socpeople' => $obj->id, 'type_contact' => $obj->fk_c_type_contact);
 
 				$i++;
 			}
diff --git a/htdocs/fourn/class/api_supplier_orders.class.php b/htdocs/fourn/class/api_supplier_orders.class.php
index 7a54b3be21d..11b0d072615 100644
--- a/htdocs/fourn/class/api_supplier_orders.class.php
+++ b/htdocs/fourn/class/api_supplier_orders.class.php
@@ -404,10 +404,10 @@ class SupplierOrders extends DolibarrApi
 	 *
 	 * Return an array with contact information
 	 *
-	 * @param	int		$id			ID of supplier order
-	 * @param	string	$source		Source of the contact (internal, external, all).
-	 * @param	string	$type		Type of the contact (BILLING, SHIPPING, CUSTOMER, SALESREPFOLL, ...)
-	 * @return	Object				Object with cleaned properties
+	 * @param	int					$id			ID of supplier order
+	 * @param	string				$source		Source of the contact (internal, external, all).
+	 * @param	string				$type		Type of the contact (BILLING, SHIPPING, CUSTOMER, SALESREPFOLL, ...)
+	 * @return	array<int,mixed>				Array of contacts
 	 *
 	 * @url	GET {id}/contacts
 	 *
@@ -439,7 +439,7 @@ class SupplierOrders extends DolibarrApi
 			$contacts = array_merge($contacts, $tmpContacts);
 		}
 
-		return $this->_cleanObjectDatas($contacts);
+		return $contacts;
 	}
 
 	/**
diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index 3d29d864aa7..635b5465ef6 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -5738,7 +5738,7 @@ class Societe extends CommonObject
 				if (!$list) {
 					$transkey = "TypeContact_".$obj->element."_".$obj->source."_".$obj->code;
 					$libelle_type = ($langs->trans($transkey) != $transkey ? $langs->trans($transkey) : $obj->type_label);
-					$tab[$i] = array(
+					$tab[$obj->id] = array(
 						'source' => $obj->source,
 						'socid' => $obj->socid,
 						'id' => $obj->id,
@@ -5758,7 +5758,7 @@ class Societe extends CommonObject
 						'fk_c_type_contact' => $obj->fk_c_type_contact
 					);
 				} else {
-					$tab[$i] = $obj->id;
+					$tab[$obj->id] = $obj->id;
 				}
 
 				$i++;