array(9) {
  ["orderId"]=>
  NULL
  ["expireDate"]=>
  string(24) "2026-02-27T17:54:08.005Z"
  ["returnUrl"]=>
  string(35) "https://go.absent.love/lego/spasibo"
  ["productName"]=>
  NULL
  ["amount"]=>
  int(0)
  ["merchantId"]=>
  int(4360)
  ["merchantDeliveryAmount"]=>
  int(0)
  ["clientDeliveryAmount"]=>
  int(0)
  ["notificationUrl"]=>
  string(35) "https://absentpay.wowgc.ru/hook.php"
}
Ошибка запроса: Client error: `POST https://merchant-api.7pay.ru/api/Invoice/` resulted in a `400 Bad Request` response:
{"status":400,"success":false,"errorMessage":"Invalid ExternalId, ProductName"}

Ответ сервера: {"status":400,"success":false,"errorMessage":"Invalid ExternalId, ProductName"}