Discount codes rejected or wrongly reduced at checkout
Promo and generated discount codes are rejected at Shopify checkout or give wrong reductions when stacked with other discounts.
Tier I · Proven The best-established problems.
17 public reports · first reported 14 August 2017 · last reported 28 November 2025
What's going wrong
Merchants using several Shopify discount apps report that promo codes, generated prize codes and volume discounts fail at checkout.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 17 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.