# Coupon Service Generate secure and highly performant promotional coupons. ### Key features and benefits * Supports absolute (value) based coupons in a particular currency (such as £10 off) * Supports relative (percentage) based coupons (such as 10% off) * Offers free shipping coupons * Restricts coupons to be redeemed against specific product categories * Limits the number of times a coupon can be redeemed by one user or in total * Restricts coupon usage by date (from/to) * Defines a minimum order value required before a coupon can be redeemed * Built for high-throughput and scalability * Runs promotion campaigns * Uses in marketing materials to drive traffic to the website * Increases customer loyalty * Drives sales for last season's stock or overstock items --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://developer.emporix.io/api-references/api-guides/rewards-and-promotions/coupon.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.