Widget Playground
Enter your publishable key and configure the widget. Use the test card
4111 1111 1111 1111
with any future expiry and CVV.
Your key is never sent to our servers — it stays in your browser.
$
Embed code
Test cards
Visa (approves)
4111 1111 1111 1111
Mastercard (approves)
5431 1111 1111 1111
Decline
Any card · amount under $1.00
Expiry / CVV
Any future date · any 3 digits
Webhook tip: The
onSuccess callback
is for UI only. For order fulfillment, rely on the payment.completed
webhook sent to your server — never trust the browser callback alone.