> 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 # [Velo](https://dev.wix.com/docs/api/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fvelo&format=markdown.md) ## [APIs](https://dev.wix.com/docs/velo/apis.md) ### [wix-marketing-backend](https://dev.wix.com/docs/velo/apis/wix-marketing-backend.md) - [Introduction](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/introduction.md) #### [Coupons](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/coupons.md) - [Introduction](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/coupons/introduction.md) - [createCoupon()](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/coupons/create-coupon.md) - [deleteCoupon()](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/coupons/delete-coupon.md) - [updateCouponFields()](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/coupons/update-coupon-fields.md) #### [Events](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/events.md) - [Introduction](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/events/introduction.md) - [onCouponApplied()](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/events/on-coupon-applied.md) - [onCouponCreated()](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/events/on-coupon-created.md) - [onCouponDeleted()](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/events/on-coupon-deleted.md) - [onCouponUpdated()](https://dev.wix.com/docs/velo/apis/wix-marketing-backend/events/on-coupon-updated.md)