Whether each refund / payout method can be issued with the permissions the shop platform granted to the app (merchant#958). On Shopify it lists, per method that needs any (StoreCredit, GiftCard, DiscountCode), the access scopes the app installation lacks: a method with missing scopes cannot be activated in the policies (PATCH answers 422 ShopifyScopeMissing). checked: false means Shopify could not be asked and the result is unknown. Other platforms answer checked: true with no method.