> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt ## Resource: wix-marketing-backend ## Namespace: coupons ## Article: Introduction ## Article Link: https://dev.wix.com/docs/velo/apis/wix-marketing-backend/coupons/introduction.md ## Article Content: # Introduction You can offer your customers discount coupons to promote loyalty and increase sales. Customers can then apply the coupon codes at checkout to take advantage of your offers. You can apply coupons to items in [Wix Stores](https://support.wix.com/en/article/about-wix-stores-coupons), [Wix Bookings](https://support.wix.com/en/article/creating-discount-coupons-in-wix-bookings), [Wix Events](https://support.wix.com/en/article/wix-events-creating-event-coupons-using-the-wix-owner-app), and [Wix Pricing Plans](https://support.wix.com/en/article/creating-a-price-discount-coupon). To use the Coupons API, import {coupons} from the `wix-marketing-backend` module: ```javascript import {coupons} from 'wix-marketing-backend'; ```