Go from checkout link to verified payment
Create a checkout, send the hosted payment link, and receive a signed webhook when the transfer confirms.
Implementation preview
1. Add merchant wallet 2. Create checkout for 124.00 USDC 3. Send checkout_url to customer 4. Fulfill when checkout.paid arrives
3
integration steps
1
API call to start
0
custody setup
Server-side first, checkout last
1. Add your wallet
Choose the merchant wallet that should receive customer USDC payments on Base.
2. Create checkout
Use the dashboard or API to create an exact-amount payment request.
3. Fulfill from webhook
Update your order only when your backend receives a verified checkout.paid event.
Designed for backend-controlled checkout
Keep payment creation, webhook verification, and order fulfillment on your server. Customers only see the hosted checkout page and wallet payment request.
1. Add merchant wallet 2. Create checkout for 124.00 USDC 3. Send checkout_url to customer 4. Fulfill when checkout.paid arrives
Ready to run USDC checkout like payment infrastructure?
Start with hosted checkout links, then add the API and webhooks when you want a deeper store integration.
Review pricing
Outpay© 2026 Outpay. Non-custodial checkout for USDC on Base.
Outpay is a non-custodial checkout and payment verification tool. Funds move directly from customer wallets to merchant wallets. Outpay does not hold, custody, convert, or settle customer funds.