Could your extension be compatible with my custom Payment/Shipping?
Payment Methods or Shipping Methods are all considered as a 3rd extension, so let’s come back with How your One Step Checkout is compatible with other modules? query. As long as your custom extension is compatible with Magento 2, it will be also compatible with our extension, or higher ability to be worked out with us. We’re willing to offer our hands to you without charging any arise costs within integration request.
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