The WerninBill OpenCart extension lets your OpenCart store accept Visa, Mastercard, Apple Pay and Google Pay through a hosted checkout, with instant crypto payouts to your own wallet and a flat 1% platform fee.
Download the OpenCart extension How card payments work
Features
- Card payments without a merchant account — processed by licensed on-ramp providers such as Coinbase, Banxa and Binance.
- Hosted checkout — customers pay on
checkout.wernin.site; no card fields on your store and no PCI DSS scope. - Automatic order updates — the extension handles the payment callback and updates the order status.
- Instant payouts — you receive crypto, typically USDC on Polygon, directly to your self-custodial wallet.
How to install the WerninBill OpenCart extension
- Download the extension ZIP.
- In OpenCart admin, go to Extensions → Installer, upload the ZIP and click install.
- Go to Extensions → Extensions, choose Payments from the filter, find WerninBill and click install, then edit.
- Enter your self-custodial payout wallet address, enable the extension and save.
- Place a small test order to confirm everything works.
Fees
1% WerninBill platform fee per successful transaction, plus any fee charged by the processing provider. No setup or monthly fee. See pricing.
Frequently asked questions
Do customers need crypto?
No. Customers pay by card, Apple Pay or Google Pay. The conversion to crypto happens on the provider side and you receive the payout.
Can I also accept crypto directly?
Yes — see the crypto payment gateway for BTC, ETH, USDT, USDC and more.
Are all payment methods available in every country?
No. Availability depends on country, currency, amount and provider requirements.
Other platforms: WooCommerce, WHMCS, PrestaShop.
