SaferpayFields.init({ apiKey: 'f5a8c56e-2a6c-4b5c-8a5c-2b2829844a5e', url: 'https://www.saferpay.com/Fields/1040818' // ... additional options }); // store payment means data SaferpayFields.submit({ onSuccess: function(evt) { // trigger Server2Server call with evt.token } });