Yeah ... current practice treats the need for payment as a permissions issue and thus 403. But in Shopify’s case, the client has no permissions problem. What

Yeah ... current practice treats the need for payment as a permissions issue and thus 403. But in Shopify’s case, the client has no permissions problem. What you’re describing really is a 500-range issue ... or even an old fashioned 404. Like I said on another comment, this really is a header or body issue.