Some store failures announce themselves. The expensive ones don't. Discounts stop applying. Free shipping starts charging. Products get disapproved in Google overnight. Nothing errors, and orders keep going out until someone complains. ShopCanary checks every order against rules you declare and watches your Google Merchant Center feed. When something stops matching it names the order, the rule, and expected versus actual. Rules can exclude products or currencies, so exceptions stay quiet.

• Checks every order against the discount and shipping rules you declare
• Alerts include the order, the rule, and expected versus actual values
• Watches your Google Merchant Center feed for disapprovals and ID changes
• Flags discount edits that line up with when a rule started failing
• Reports on itself, so a check that stops running never looks healthy