# SiteVisit by HappyCo > API and developer documentation for SiteVisit — video-first site visits for multifamily. ## Docs - [List action items](https://docs.sitevisit.app/api-reference/list-action-items.md) - [List properties](https://docs.sitevisit.app/api-reference/list-properties.md): Returns the properties owned by the authenticated account. - [List site visits](https://docs.sitevisit.app/api-reference/list-site-visits.md) - [Authentication](https://docs.sitevisit.app/authentication.md): How to authenticate requests with an API key. - [Errors](https://docs.sitevisit.app/errors.md): Error envelope, status codes, and what each code means. - [Introduction](https://docs.sitevisit.app/introduction.md): Programmatic access to your SiteVisit data — properties, visits, action items. - [MCP server](https://docs.sitevisit.app/mcp.md): Connect Claude, Cursor, or any MCP-compatible AI to your SiteVisit data. - [Pagination](https://docs.sitevisit.app/pagination.md): How to page through list endpoints with cursors. - [Quickstart](https://docs.sitevisit.app/quickstart.md): Get an API key and make your first call in under five minutes. - [Versioning](https://docs.sitevisit.app/versioning.md): How we evolve the API without breaking your integration. ## OpenAPI Specs - [openapi](https://docs.sitevisit.app/api-reference/openapi.json)