<input type="hidden" name="api_token
" value="your API token"/>
<input type="hidden" name="website_id
" value="your website id"/>
<input type="hidden" name="cardsend" value="CHECKOUT"/>
<input type="hidden" name="action" value="product"/>
<input type="hidden" name="price" value="30.00"/>
<input type="hidden" name="curr" value="USD"/>
<input type="hidden" name="product_name" value="Product "/>
<input type="hidden" name="ccholder" value="First Name"/>
<input type="hidden" name="ccholder_lname" value="Last Name"/>
<input type="hidden" name="email" value="dummy@test.com"/>
<input type="hidden" name="bill_street_1" value="63 market street"/>
<input type="hidden" name="bill_street_2" value="01-01 opposite"/>
<input type="hidden" name="bill_city" value="republic plaza"/>
<input type="hidden" name="bill_state" value="Singapore"/>
<input type="hidden" name="bill_country" value="Singapore"/>
<input type="hidden" name="bill_zip" value="048942"/>
<input type="hidden" name="bill_phone" value="+65 62200944"/>
<input type="hidden" name="id_order" value="2017013120170131"/>
<input type="hidden" name="notify_url" value="https://domain.com/notify.php"/>
<input type="hidden" name="success_url" value="https://domain.com/success.php"/>
<input type="hidden" name="error_url" value="https://domain.com/failed.php"/>