OVPAY-1126 - Payments should always be added in single.

src/openapi/orders/orders-crud.yaml

@@ -803,8 +803,8 @@ paths:
         required: true
         description: The id of the order to process.
     post:
-      summary: P2. Add one or more payments to an order.
-      description: Add one or more payments to an order.
+      summary: P2. Add a payment to an order.
+      description: Add a payment to an order.
       tags:
         - Payment
       requestBody:
@@ -813,7 +813,6 @@ paths:
             schema:
               $ref: "#/components/schemas/unavailable"
             example:
-              [
               {
                 "createdOn": "2024-03-22T09:00:00",
                 "amountDebit": 121,
@@ -841,8 +840,7 @@ paths:
                     "ascription": "J. de Vries",
                     "place": "Den Haag",
                   },
-                },
-              ]
+              }
       responses:
         "201":
           description: Created