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HTML

              
                <!-- Basic Paysafe.js example -->
<html>
  <head>
  </head>
  <body>

    <!-- Create divs for the payment fields -->
    <div id = "cardNumber" class="inputField" ></div>
    <p></p>
    <div id = "expiryDate" class="inputField"></div>
    <p></p>
    <div id = "cvv" class="inputField"></div>
    <p></p>

    <!-- Add a payment button -->
    <button id = "payNow" type = "button"> Pay now </button>
    <!-- Paragraph to contain returned token -->
    <p class = "token" id = "token"></p>
  </body>
</html>
              
            
!

CSS

              
                      .inputField {
        border: 1px solid #E5E9EC;
        height: 40px;
        padding - left: 10px;
      }

.token {
  color: blue;
}
              
            
!

JS

              
                 // Base 64 encoded version the Single-use Token API key.
      // Create the key below by concatenating the API username and password
      // separated by a colon and Base64-encoding the result
	  
      // var apiKey = "Your Base64-encoded Single-use token Api Key";
      var apiKey = "T1QtMTE3MDQwOkItcWEyLTAtNTk1NjRlNWMtMC0zMDJjMDIxNDdmMDU4M2I2OGY4ZWQyNjkxNDIxMDczMzZiYWIyMTZmOWMzZGJiNTEwMjE0MTgwYzY1NGQ3OTgzZmI2NTliYzEzZWY4YWMyZmQ1MTliMjVhOTQxZQ==";
			
      var options = {

        // select the Paysafe test/sandbox environment
        environment: "TEST",

        // set the CSS selectors to identify the payment field divs above
        // set the placeholder text to display in these fields
        fields: {
          cardNumber: {
            selector: "#cardNumber",
            placeholder: "Card number"
          },
          expiryDate: {
            selector: "#expiryDate",
            placeholder: "Expiry date"
          },
          cvv: {
            selector: "#cvv",
            placeholder: "CVV"
          }
        }
      };

      // initalize the hosted iframes using the SDK setup function
      paysafe.fields.setup(apiKey, options, function(instance, error) {

        // When the customer clicks Pay Now,
        // call the SDK tokenize function to create
        // a single-use payment token corresponding to the card details entered
        document.getElementById("payNow").addEventListener("click", function(event) {
          instance.tokenize(function(instance, error, result) {
            if (error) {
              // display the tokenization error in dialog window
              alert(JSON.stringify(error));
            } else {

// write the Payment token value to the bottom of the page
              $( "#token" ).text( "Token: " + result.token );
// write the Payment token value to the browser console
              console.log(result.token);
            }
          });
        }, false);
      });
              
            
!
999px

Console