diff --git a/BTCPayServer.Client/Models/CreateAppRequest.cs b/BTCPayServer.Client/Models/CreateAppRequest.cs
new file mode 100644
index 000000000..08857902c
--- /dev/null
+++ b/BTCPayServer.Client/Models/CreateAppRequest.cs
@@ -0,0 +1,9 @@
+namespace BTCPayServer.Client.Models
+{
+    public class CreateAppRequest
+    {
+        public string StoreId { get; set; }
+        public string AppName { get; set; }
+        public string AppType { get; set; }
+    }
+}
diff --git a/BTCPayServer/Controllers/GreenField/GreenfieldAppsController.cs b/BTCPayServer/Controllers/GreenField/GreenfieldAppsController.cs
new file mode 100644
index 000000000..ed047856a
--- /dev/null
+++ b/BTCPayServer/Controllers/GreenField/GreenfieldAppsController.cs
@@ -0,0 +1,103 @@
+#nullable enable
+using System;
+using System.Threading.Tasks;
+using BTCPayServer.Abstractions.Constants;
+using BTCPayServer.Client;
+using BTCPayServer.Client.Models;
+using BTCPayServer.Data;
+using BTCPayServer.Services.Apps;
+using BTCPayServer.Services.Stores;
+using BTCPayServer.Abstractions.Extensions;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Cors;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+
+namespace BTCPayServer.Controllers.Greenfield
+{
+    [ApiController]
+    [Authorize(AuthenticationSchemes = AuthenticationSchemes.Greenfield)]
+    [EnableCors(CorsPolicies.All)]
+    public class GreenfieldAppsController : ControllerBase
+    {
+        private readonly AppService _appService;
+        private readonly StoreRepository _storeRepository;
+
+        public GreenfieldAppsController(
+            AppService appService,
+            StoreRepository storeRepository,
+            UserManager<ApplicationUser> userManager,
+            BTCPayNetworkProvider btcPayNetworkProvider
+        )
+        {
+            _appService = appService;
+            _storeRepository = storeRepository;
+        }
+
+        [HttpPost("~/api/v1/apps")]
+        [Authorize(Policy = Policies.CanModifyStoreSettingsUnscoped, AuthenticationSchemes = AuthenticationSchemes.Greenfield)]
+        public async Task<IActionResult> CreateApp(CreateAppRequest request)
+        {
+            var validationResult = await Validate(request);
+            if (validationResult != null)
+            {
+                return validationResult;
+            }
+
+            var appData = new AppData
+            {
+                StoreDataId = request.StoreId,
+                Name = request.AppName,
+                AppType = request.AppType
+            };
+
+            var defaultCurrency = (await _storeRepository.FindStore(request.StoreId)).GetStoreBlob().DefaultCurrency;
+            Enum.TryParse(request.AppType, out AppType appType);
+            switch (appType)
+            {
+                case AppType.Crowdfund:
+                    var emptyCrowdfund = new CrowdfundSettings { TargetCurrency = defaultCurrency };
+                    appData.SetSettings(emptyCrowdfund);
+                    break;
+                case AppType.PointOfSale:
+                    var empty = new PointOfSaleSettings { Currency = defaultCurrency };
+                    appData.SetSettings(empty);
+                    break;
+            }
+
+            await _appService.UpdateOrCreateApp(appData);
+
+            return Ok(appData);
+        }
+
+        async private Task<IActionResult?> Validate(CreateAppRequest request)
+        {
+            if (request is null)
+            {
+                return BadRequest();
+            }
+
+            if (!Enum.TryParse(request.AppType, out AppType appType))
+            {
+                ModelState.AddModelError(nameof(request.AppType), "Invalid app type");
+            }
+
+            if (string.IsNullOrEmpty(request.AppName))
+            {
+                ModelState.AddModelError(nameof(request.AppName), "App name is missing");
+            }
+            else if (request.AppName.Length < 1 || request.AppName.Length > 50)
+            {
+                ModelState.AddModelError(nameof(request.AppName), "Name can only be between 1 and 50 characters");
+            }
+
+            var store = await _storeRepository.FindStore(request.StoreId);
+            if (store == null)
+            {
+                ModelState.AddModelError(nameof(request.StoreId), "Store with provided ID not found");
+            }           
+
+            return !ModelState.IsValid ? this.CreateValidationError(ModelState) : null;
+        }
+    }
+}