> 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/api-reference/crm/members-contacts/introduction.md ## Article Content: # About the Members and Contacts APIs The Members and Contacts APIs allow you to create and manage the contacts and members on a Wix site. With the [Members](https://dev.wix.com/docs/rest/crm/members-contacts/members/members/introduction.md) and [Contacts](https://dev.wix.com/docs/rest/crm/members-contacts/contacts/introduction.md) APIs, you can: + Create and manage the [contacts on a site](https://dev.wix.com/docs/rest/crm/members-contacts/contacts/contacts/introduction.md). + Create and manage [labels](https://dev.wix.com/docs/rest/crm/members-contacts/contacts/labels/introduction.md) and [extended fields](https://dev.wix.com/docs/rest/crm/members-contacts/contacts/extended-fields/introduction.md) on contacts. + Create and manage [a contact's file attachments](https://dev.wix.com/docs/rest/crm/members-contacts/contacts/attachments/attachment-v4/introduction.md) in a site. + Create and manage [a site's members](https://dev.wix.com/docs/rest/crm/members-contacts/members/members/introduction.md) and member-related features, including profiles, [privacy settings](https://dev.wix.com/docs/rest/crm/members-contacts/members/member-privacy-settings/introduction.md), [badges](https://dev.wix.com/docs/rest/crm/members-contacts/members/badges/introduction.md), [custom fields](https://dev.wix.com/docs/rest/crm/members-contacts/members/custom-fields/custom-fields/introduction.md), and more.