{
"apiKey": "string",
"email": "string",
"amount": "string",
"currency": "string",
"returnUrl": "string",
"referenceNo": "string",
"language": "string",
"billingFirstName": "string",
"billingLastName": "string",
"billingCompany": "string",
"billingAddress1": "string",
"billingAddress2": "string",
"billingCity": "string",
"birthday": "string",
"billingPostCode": "string",
"billingCountry": "string",
"billingState": "string",
"billingPhone": "string",
"customerIp": "string",
"customerUserAgent": "string"
}