You integrated Payzing into your store! However your customers currently receive the following message when selecting Payzing during checkout:
Not a problem as it is simple to tackle. All you need to do is confirm your Uphold username and gateway key (your unique key found in your Help Guides) were inputed correctly within your Shopify Dashboard under Settings > Payments > Alternative Payments:
Feel free to let me to contact firstname.lastname@example.org if any questions arise.