Example

curl -i -X POST \
       -d "amount=200" \
       -d "apiKey=1234ABCD" \
       -d "currency=EUR" \
       -d "[email protected]" \
       -d "referenceNo=asd23" \
       -d "returnUrl=https://google.com/return" \
       -d "billingFirstName=John" \
       -d "billingLastName=Wayne" \
       -d "billingAddress1=Fake Street" \
       -d "billingCity=Gotham City" \
       -d "billingCountry=DE" \
       -d "billingPhone=00909990000000" \
       -d "billingPostcode=00007" \
       -d "birthday=1990-12-12" \
       -d "paymentMethod=VISA" \
     'REQUEST_ENDPOINT_URL_COMES_HERE(SEE BELOW)'