A complete page with a verify button. Replace the button ID and publishable key with yours from Developers → Verify buttons, and serve it from a website on the button's allowed list.
verify.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Verify your identity</title>
<script async src="https://www.kaywhysee.com/embed/v1/verify-button.js"></script>
<link rel="stylesheet" href="verify.css">
</head>
<body>
<main class="card">
<h1>One last step</h1>
<p>We need to check your ID before you can send money. It takes about two minutes on your phone.</p>
<kaywhysee-verify-button
button-id="vb_..."
publishable-key="pk_live_..."
client-reference-id="user_1042"
full-width="true">
</kaywhysee-verify-button>
<p class="small" id="status"></p>
</main>
<script src="verify.js"></script>
</body>
</html>
verify.js
document.addEventListener("kaywhysee:started", () => {
document.getElementById("status").textContent =
"Carry on on your phone. You can close this page when you're done.";
});
verify.css
body {
font-family: system-ui, sans-serif;
display: grid;
place-items: center;
min-height: 100vh;
margin: 0;
background: #f5f5f5;
}
.card {
max-width: 24rem;
padding: 2rem;
border-radius: 1rem;
background: #fff;
}
.small {
font-size: 0.875rem;
color: #666;
}
Set client-reference-id from your server when you render the page, so each session carries your ID for the customer.