Merchant dashboardSecure hosted checkout
CS
Creator Stack Checkout
Private model workspace
Amount due
$928
Customerbilling@northstar.example
InvoiceINV-2026-0524
Payment methodCard checkout via Transak self-serve card rail
Estimated time60-120 sec
Card to USDC
Continue to the selected provider-hosted payment step. The final confirmation returns here.
Access is provisioned after the gateway confirms payment.
Order summary
Creator Stack Studio receives USDC settlement after fees.
Subtotal$899
Provider cost$29
Gateway fee$36
Merchant net$863
Total due$928
Gateway event timeline
Demo callback ingestion and merchant webhook delivery.
3/6
Checkout created
Merchant session stored in the gateway control plane.
Route selected
Gateway picked the best available data plane for this payer.
Customer opened checkout
The merchant-branded checkout rendered for the payer.
Payment pending
The customer moved into the selected payment method handoff.
Payment confirmed
Provider callback was verified and payment state was reduced.
Merchant webhook sent
Signed event delivered to the merchant webhook endpoint.
Merchant event payload
Normalized event shape sent to the merchant webhook.
{
"event": "payment.checkout_opened",
"session_id": "chk_nimbus_1056",
"customer_id": "cus_7G42M9",
"amount": 899,
"asset": "USDC",
"network": "Base",
"gateway_fee": 35.96,
"merchant_net": 863.04
}