diff --git a/helloasso.json b/helloasso.json
index 784c85b..8953ee7 100644
--- a/helloasso.json
+++ b/helloasso.json
@@ -1228,6 +1228,15 @@
               "type": "boolean",
               "default": false
             }
+          },
+          {
+            "name": "checkPaymentsRefundEligibility",
+            "in": "query",
+            "description": "Set to true to check if payments are eligible to refund or not",
+            "schema": {
+              "type": "boolean",
+              "default": false
+            }
           }
         ],
         "responses": {
@@ -6141,6 +6150,11 @@
             "description": "Items linked to this payment and each share between the item and the payment",
             "nullable": true
           },
+          "isRefundable": {
+            "type": "boolean",
+            "description": "Indicate if the payment is refundable or not",
+            "nullable": true
+          },
           "cashOutDate": {
             "type": "string",
             "description": "The date of the cash out",