SharePoint REST API Namespaces Availability matrix Namespace SPO SP 2019 SP 2016 SP 2013 EDU ❌ ❌ ❌ ✅ MS.FileServices ✅ ✅ ✅ ❌ Microsoft.AppServices ✅ ❌ ❌ ❌ Microsoft.BusinessData.Infrastructure.SecureStore ✅ ❌ ❌ ❌ Microsoft.Office.Education.QuizOM ❌ ❌ ❌ ✅ Microsoft.Office.SecureStoreService.Server ✅ ❌ ❌ ❌ Microsoft.Office.Server.ContentCenter ✅ ❌ ❌ ❌ Microsoft.Office.Server.ReputationModel ✅ ✅ ✅ ✅ Microsoft.Office.Server.Search.REST ✅ ✅ ✅ ✅ Microsoft.Online.SharePoint.AppLauncher ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.MigrationCenter.Common ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.MigrationCenter.Common.Teams ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.MigrationCenter.Service ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.MultiGeo.Service ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.Onboarding.RestService ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.Onboarding.RestService.PrioritySiteRename ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.Onboarding.RestService.Service ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.Onboarding.RestService.TenantRename ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.SPLogger ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.TenantAdmin.MiddleTier ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.TenantAdministration ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.TenantAdministration.Internal ✅ ❌ ❌ ❌ Microsoft.Online.SharePoint.TenantManagement ✅ ❌ ❌ ❌ Microsoft.SharePoint.ActionableMessage ✅ ❌ ❌ ❌ Microsoft.SharePoint.Activities ✅ ✅ ❌ ❌ Microsoft.SharePoint.AddToOneDrive ✅ ❌ ❌ ❌ Microsoft.SharePoint.Administration ✅ ✅ ✅ ✅ Microsoft.SharePoint.Administration.Archiving ✅ ❌ ❌ ❌ Microsoft.SharePoint.Administration.SPOUnlicensedODB ✅ ❌ ❌ ❌ Microsoft.SharePoint.Administration.SiteMove.Service ✅ ❌ ❌ ❌ Microsoft.SharePoint.Administration.TenantAdmin ✅ ❌ ❌ ❌ Microsoft.SharePoint.AppManagement ✅ ❌ ❌ ❌ Microsoft.SharePoint.AuthPolicy ✅ ❌ ❌ ❌ Microsoft.SharePoint.AuthPolicy.Events ✅ ❌ ❌ ❌ Microsoft.SharePoint.Authentication ✅ ❌ ❌ ❌ Microsoft.SharePoint.CampaignAnalytics ✅ ❌ ❌ ❌ Microsoft.SharePoint.Campaigns ✅ ❌ ❌ ❌ Microsoft.SharePoint.Client.Search.Administration ✅ ✅ ✅ ✅ Microsoft.SharePoint.Client.Search.Analytics ✅ ✅ ✅ ✅ Microsoft.SharePoint.Client.Search.ContentPush ❌ ❌ ❌ ✅ Microsoft.SharePoint.Client.Search.Portability ❌ ❌ ❌ ✅ Microsoft.SharePoint.Client.Search.Query ✅ ✅ ✅ ✅ Microsoft.SharePoint.ClientSideComponent ✅ ✅ ✅ ❌ Microsoft.SharePoint.Comments ✅ ✅ ❌ ❌ Microsoft.SharePoint.Comments.Client ✅ ✅ ❌ ❌ Microsoft.SharePoint.Containers ✅ ❌ ❌ ❌ Microsoft.SharePoint.Convergence ✅ ❌ ❌ ❌ Microsoft.SharePoint.Deployment ✅ ❌ ❌ ❌ Microsoft.SharePoint.ESign.Models.Requests ✅ ❌ ❌ ❌ Microsoft.SharePoint.EmployeeEngagement ✅ ❌ ❌ ❌ Microsoft.SharePoint.EmployeeEngagement.Experience ✅ ❌ ❌ ❌ Microsoft.SharePoint.Flighting.Runtime ✅ ❌ ❌ ❌ Microsoft.SharePoint.IR ✅ ❌ ❌ ❌ Microsoft.SharePoint.Insights ✅ ❌ ❌ ❌ Microsoft.SharePoint.Internal ✅ ✅ ❌ ❌ Microsoft.SharePoint.Internal.ClientSideComponent ✅ ✅ ❌ ❌ Microsoft.SharePoint.LargeOperation ✅ ❌ ❌ ❌ Microsoft.SharePoint.Likes ✅ ✅ ❌ ❌ Microsoft.SharePoint.ListHome ✅ ❌ ❌ ❌ Microsoft.SharePoint.Marketplace ✅ ❌ ❌ ❌ Microsoft.SharePoint.Marketplace.CorporateCuratedGallery ✅ ✅ ❌ ❌ Microsoft.SharePoint.MultiGeo ✅ ❌ ❌ ❌ Microsoft.SharePoint.Navigation.REST ✅ ✅ ✅ ✅ Microsoft.SharePoint.News.DataModel ✅ ❌ ❌ ❌ Microsoft.SharePoint.OrgNewsSite ✅ ❌ ❌ ❌ Microsoft.SharePoint.Packaging ✅ ✅ ✅ ❌ Microsoft.SharePoint.Photos ✅ ❌ ❌ ❌ Microsoft.SharePoint.Portal ✅ ✅ ✅ ✅ Microsoft.SharePoint.Portal.Home ✅ ✅ ❌ ❌ Microsoft.SharePoint.Portal.Project ✅ ✅ ✅ ✅ Microsoft.SharePoint.Portal.UserProfiles ✅ ✅ ✅ ✅ Microsoft.SharePoint.Portal.WebControls ✅ ✅ ✅ ❌ Microsoft.SharePoint.PortalAndOrgNews ✅ ❌ ❌ ❌ Microsoft.SharePoint.Publishing.Diagnostics ✅ ❌ ❌ ❌ Microsoft.SharePoint.Publishing.PageCopyWithAssets ✅ ❌ ❌ ❌ Microsoft.SharePoint.Publishing.RestOnly ✅ ❌ ❌ ❌ Microsoft.SharePoint.QuickActionMessageCard ✅ ✅ ❌ ❌ Microsoft.SharePoint.QuotaManagement.Consumer ✅ ❌ ❌ ❌ Microsoft.SharePoint.SPStart ✅ ❌ ❌ ❌ Microsoft.SharePoint.SectionDesignIdeas ✅ ❌ ❌ ❌ Microsoft.SharePoint.Sharing.Internal ✅ ❌ ❌ ❌ Microsoft.SharePoint.SmartCache ✅ ❌ ❌ ❌ Microsoft.SharePoint.TenantCdn ✅ ❌ ❌ ❌ Microsoft.SharePoint.UserActions ✅ ✅ ❌ ❌ Microsoft.SharePoint.Utilities.WebTemplateExtensions ✅ ✅ ❌ ❌ Microsoft.SharePoint.WebControls ✅ ✅ ✅ ❌ Microsoft.SharePoint.Webhooks ✅ ✅ ❌ ❌ Microsoft.SharePoint.Yammer ✅ ❌ ❌ ❌ OBA.Server.ServerWrapper ✅ ❌ ❌ ❌ PS ✅ ✅ ✅ ❌ SP ✅ ✅ ✅ ✅ SP.Analytics ✅ ✅ ✅ ✅ SP.BusinessData ✅ ✅ ✅ ✅ SP.BusinessData.Infrastructure ✅ ✅ ✅ ✅ SP.BusinessData.Runtime ✅ ✅ ✅ ✅ SP.ComplianceFoundation ✅ ❌ ❌ ❌ SP.ComplianceFoundation.Models ✅ ❌ ❌ ❌ SP.CompliancePolicy ✅ ❌ ❌ ❌ SP.Directory ✅ ✅ ✅ ❌ SP.Directory.Provider ✅ ✅ ✅ ❌ SP.Discovery ❌ ❌ ❌ ✅ SP.DocumentManagement ✅ ✅ ❌ ❌ SP.Internal ✅ ✅ ❌ ❌ SP.MetadataNavigation ✅ ✅ ❌ ❌ SP.MicroService ✅ ✅ ❌ ❌ SP.Microfeed ✅ ✅ ✅ ✅ SP.OAuth ✅ ✅ ✅ ❌ SP.PageInstrumentation ✅ ❌ ❌ ❌ SP.Publishing ✅ ✅ ❌ ✅ SP.Publishing.Navigation ✅ ❌ ❌ ✅ SP.Publishing.PortalLaunch ✅ ❌ ❌ ❌ SP.Sharing ✅ ✅ ✅ ✅ SP.SiteHealth ✅ ✅ ✅ ✅ SP.Social ✅ ✅ ✅ ✅ SP.Taxonomy ✅ ✅ ✅ ✅ SP.Taxonomy.ContentTypeSync ✅ ❌ ❌ ❌ SP.Translation ✅ ✅ ✅ ✅ SP.UI ❌ ❌ ❌ ✅ SP.UI.ApplicationPages ✅ ✅ ✅ ✅ SP.UserProfiles ✅ ✅ ✅ ✅ SP.Utilities ✅ ✅ ✅ ✅ SP.WebParts ✅ ✅ ✅ ✅ SP.WorkManagement.OM ✅ ✅ ✅ ✅ SP.Workflow ✅ ✅ ✅ ✅ SP.WorkflowServices ✅ ✅ ✅ ✅ SPO.Identity ✅ ❌ ❌ ❌