Magento 2 Get Coupon Code Programmatically Jun 2026

class GetCouponCodeService

Getting coupon codes from sales rule? - Magento Stack Exchange magento 2 get coupon code programmatically

The most frequent requirement is to retrieve the coupon code that a customer has applied to their current cart. private JsonFactory $resultJsonFactory

return $quote->getCouponCode();

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private GetCouponCodeService $couponService; private JsonFactory $resultJsonFactory;

To check if a coupon is valid for a specific quote without actually applying it, use Magento\SalesRule\Model\Coupon and Magento\SalesRule\Model\Validator .