Example Request

{
  "amount": "300.00",
  "preferred_product_type": "paypad",
  "api_key": "<api_key>",
  "currency": "GBP",
  "order_reference": "26352",
  "invoice_number": "INVOICE1234",
  "user_email": "[e-mail]",
  "signature": "<signature>",
  "product_description": [
    {
      "item": "Pirelli Cinturato P7 Tyre",
      "quantity": "2",
      "price": "150.00"
    },
    {
      "item": "Pirelli Cinturato P8 Tyre",
      "quantity": "1",
      "price": "150.00"
    }
  ],
  "additional_data": {
      "key1": "value1",
      "key2": "value2",
      "key3": "value3"
  },
  "email": "[e-mail]"
}