Saleor App Checkout supports three configurable payment gateways:
Read setup guide in docs/payment/mollie.md
Read setup guide in docs/payment/adyen.md
Read setup guide in docs/payment/stripe.md
You can configure the payment gateways in the Saleor App Checkout inside the Saleor dashboard. Go to Apps > Third party apps > Checkout.
You can toggle, which payment gateway handles each different payment options per channel:
To use a payment gateway, you need to provide its credentials. You can do that by clicking the settings icon on the channel configuration page.