How API-first Couponing Frees Retailers from Rigid Promotion Engines

https://www.bookmarking-online.win/what-if-everything-you-knew-about-discount-optimization-testing-fixed-vs-percentage-comparison-conversion-rate-by-offer-type-was-wrong

If you've been burned by fixed, monolithic coupon tools that break checkout flows, cause pricing mismatches, or force long engineering sprints for simple promos, you're not alone