> 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: Introduction ## Article: Introduction General ## Article Link: https://dev.wix.com/docs/api-reference/assets/http-functions/introduction.md ## Article Content: # About the HTTP Functions APIs With HTTP Functions you can call HTTP functions from your app while automatically including authentication details. This allows you to expose site functionality as a service and customize responses based on the user making the request. By using the correct method corresponding to an HTTP function's prefix, you can interact with site features securely and efficiently.