Compatibility options If you are using a custom checkout, you can disable some security checks to ensure compatibility with monetico. Magento\Config\Block\System\Config\Form\Fieldset Disable post checking Disable the test that checks that the request is using POST mode to access the payment page. Magento\Config\Model\Config\Source\Yesno monetico/compatibility/disable_post_check Disable ajax checking Disable the test that checks that the request is using ajax to access the payment page. Magento\Config\Model\Config\Source\Yesno monetico/compatibility/disable_ajax_check Disable form key validation Disable the test that checks that the form key is valid to access the payment page. Magento\Config\Model\Config\Source\Yesno monetico/compatibility/disable_form_key_check