> 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 ## Article Link: https://dev.wix.com/docs/sdk/frontend-modules/crm/introduction.md ## Article Content: # About the CRM APIs CRM provides functionality for creating and managing contacts. CRM contains the following APIs: - [Contacts](https://dev.wix.com/docs/sdk/frontend-modules/crm/contacts/introduction.md): This API allows you to manage the contact details for contacts on a site. - [Triggered Emails](https://dev.wix.com/docs/sdk/frontend-modules/crm/triggered-emails/introduction.md): This API allows you to send customized email messages to contacts or members automatically, based on specific actions or events on your site. ## Terminology - **Triggered Email**: A customizable email template that is sent automatically in response to specific actions or events on Wix site. - **Contact**: A site visitor who has interacted with Wix site and whose information is stored in the CRM.