Stop discount stacking during your sales. Running a site-wide sale and don't want customers applying influencer codes, welcome discounts, or leaked promo codes on top of already-reduced prices? Discount Anti-Abuse blocks discount codes at checkout during the date windows you schedule - and tells customers why, in your own words.

• Unlimited scheduled blocking windows, DST-safe, in your store's timezone
• Custom rejection message shown at the checkout discount field
• Allowlist: keep specific codes working during a block (VIP, support codes)
• Built on Shopify Functions - performance reliable, no scripts or theme changes
• Zero customer data collected