diff --git a/src/Api/Public/Controllers/OrganizationController.cs b/src/Api/Public/Controllers/OrganizationController.cs
new file mode 100644
index 000000000..996e26f13
--- /dev/null
+++ b/src/Api/Public/Controllers/OrganizationController.cs
@@ -0,0 +1,59 @@
+using System.Linq;
+using System.Net;
+using System.Threading.Tasks;
+using Bit.Core;
+using Bit.Core.Exceptions;
+using Bit.Core.Models.Api.Public;
+using Bit.Core.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Bit.Api.Public.Controllers
+{
+    [Route("public/organization")]
+    [Authorize("Organization")]
+    public class OrganizationController : Controller
+    {
+        private readonly IOrganizationService _organizationService;
+        private readonly CurrentContext _currentContext;
+        private readonly GlobalSettings _globalSettings;
+
+        public OrganizationController(
+            IOrganizationService organizationService,
+            CurrentContext currentContext,
+            GlobalSettings globalSettings)
+        {
+            _organizationService = organizationService;
+            _currentContext = currentContext;
+            _globalSettings = globalSettings;
+        }
+
+        /// <summary>
+        /// Import members and groups.
+        /// </summary>
+        /// <remarks>
+        /// Import members and groups from an external system.
+        /// </remarks>
+        /// <param name="model">The request model.</param>
+        [HttpPost("import")]
+        [ProducesResponseType(typeof(MemberResponseModel), (int)HttpStatusCode.OK)]
+        [ProducesResponseType(typeof(ErrorResponseModel), (int)HttpStatusCode.BadRequest)]
+        public async Task<IActionResult> Import([FromBody]OrganizationImportRequestModel model)
+        {
+            if (!_globalSettings.SelfHosted &&
+                (model.Groups.Count() > 200 || model.Members.Count(u => !u.Deleted) > 1000))
+            {
+                throw new BadRequestException("You cannot import this much data at once.");
+            }
+
+            await _organizationService.ImportAsync(
+                _currentContext.OrganizationId.Value,
+                null,
+                model.Groups.Select(g => g.ToImportedGroup(_currentContext.OrganizationId.Value)),
+                model.Members.Where(u => !u.Deleted).Select(u => u.ToImportedOrganizationUser()),
+                model.Members.Where(u => u.Deleted).Select(u => u.ExternalId),
+                model.OverwriteExisting.GetValueOrDefault());
+            return new OkResult();
+        }
+    }
+}
diff --git a/src/Core/Models/Api/Public/Request/OrganizationImportRequestModel.cs b/src/Core/Models/Api/Public/Request/OrganizationImportRequestModel.cs
new file mode 100644
index 000000000..45e140303
--- /dev/null
+++ b/src/Core/Models/Api/Public/Request/OrganizationImportRequestModel.cs
@@ -0,0 +1,104 @@
+using Bit.Core.Models.Business;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace Bit.Core.Models.Api.Public
+{
+    public class OrganizationImportRequestModel
+    {
+        /// <summary>
+        /// Groups to import.
+        /// </summary>
+        public OrganizationImportGroupRequestModel[] Groups { get; set; }
+        /// <summary>
+        /// Members to import.
+        /// </summary>
+        public OrganizationImportMemberRequestModel[] Members { get; set; }
+        /// <summary>
+        /// Determines if the data in this request should overwrite or append to the existing organization data.
+        /// </summary>
+        [Required]
+        public bool? OverwriteExisting { get; set; }
+
+        public class OrganizationImportGroupRequestModel
+        {
+            /// <summary>
+            /// The name of the group.
+            /// </summary>
+            /// <example>Development Team</example>
+            [Required]
+            [StringLength(100)]
+            public string Name { get; set; }
+            /// <summary>
+            /// External identifier for reference or linking this group to another system, such as a user directory.
+            /// </summary>
+            /// <example>external_id_123456</example>
+            [Required]
+            [StringLength(300)]
+            public string ExternalId { get; set; }
+            /// <summary>
+            /// The associated external ids for members in this group.
+            /// </summary>
+            public IEnumerable<string> MemberExternalIds { get; set; }
+
+            public ImportedGroup ToImportedGroup(Guid organizationId)
+            {
+                var importedGroup = new ImportedGroup
+                {
+                    Group = new Table.Group
+                    {
+                        OrganizationId = organizationId,
+                        Name = Name,
+                        ExternalId = ExternalId
+                    },
+                    ExternalUserIds = new HashSet<string>(MemberExternalIds)
+                };
+
+                return importedGroup;
+            }
+        }
+
+        public class OrganizationImportMemberRequestModel : IValidatableObject
+        {
+            /// <summary>
+            /// The member's email address. Required for non-deleted users.
+            /// </summary>
+            /// <example>jsmith@example.com</example>
+            [EmailAddress]
+            [StringLength(50)]
+            public string Email { get; set; }
+            /// <summary>
+            /// External identifier for reference or linking this member to another system, such as a user directory.
+            /// </summary>
+            /// <example>external_id_123456</example>
+            [Required]
+            [StringLength(300)]
+            public string ExternalId { get; set; }
+            /// <summary>
+            /// Determines if this member should be removed from the organization during import.
+            /// </summary>
+            public bool Deleted { get; set; }
+
+            public ImportedOrganizationUser ToImportedOrganizationUser()
+            {
+                var importedUser = new ImportedOrganizationUser
+                {
+                    Email = Email.ToLowerInvariant(),
+                    ExternalId = ExternalId
+                };
+
+                return importedUser;
+            }
+
+            public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+            {
+                if (string.IsNullOrWhiteSpace(Email) && !Deleted)
+                {
+                    yield return new ValidationResult("Email is required for enabled members.",
+                        new string[] { nameof(Email) });
+                }
+            }
+        }
+    }
+}
diff --git a/src/Core/Services/IOrganizationService.cs b/src/Core/Services/IOrganizationService.cs
index 872d25018..6b3d64027 100644
--- a/src/Core/Services/IOrganizationService.cs
+++ b/src/Core/Services/IOrganizationService.cs
@@ -45,7 +45,7 @@ namespace Bit.Core.Services
         Task UpdateUserGroupsAsync(OrganizationUser organizationUser, IEnumerable<Guid> groupIds);
         Task<OrganizationLicense> GenerateLicenseAsync(Guid organizationId, Guid installationId);
         Task<OrganizationLicense> GenerateLicenseAsync(Organization organization, Guid installationId);
-        Task ImportAsync(Guid organizationId, Guid importingUserId, IEnumerable<ImportedGroup> groups,
+        Task ImportAsync(Guid organizationId, Guid? importingUserId, IEnumerable<ImportedGroup> groups,
             IEnumerable<ImportedOrganizationUser> newUsers, IEnumerable<string> removeUserExternalIds,
             bool overwriteExisting);
         Task RotateApiKeyAsync(Organization organization);
diff --git a/src/Core/Services/Implementations/OrganizationService.cs b/src/Core/Services/Implementations/OrganizationService.cs
index db0d3fcc3..e3a9658e8 100644
--- a/src/Core/Services/Implementations/OrganizationService.cs
+++ b/src/Core/Services/Implementations/OrganizationService.cs
@@ -1214,7 +1214,7 @@ namespace Bit.Core.Services
         }
 
         public async Task ImportAsync(Guid organizationId,
-            Guid importingUserId,
+            Guid? importingUserId,
             IEnumerable<ImportedGroup> groups,
             IEnumerable<ImportedOrganizationUser> newUsers,
             IEnumerable<string> removeUserExternalIds,