merchant onboarding process completed

Singer_Hexdive/Controllers/ApiController.cs

@@ -1,5 +1,7 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using Singer_Hexdive.Models.IOs;
+using Singer_Hexdive.Services.FunctionHandlers;
 
 namespace Singer_Hexdive.Controllers
 {
@@ -7,5 +9,18 @@ namespace Singer_Hexdive.Controllers
     [Route("api")]
     public class ApiController : ControllerBase
     {
+        private readonly MerchantManager _merchantManager;
+
+        public ApiController(MerchantManager merchantManager)
+        {
+            _merchantManager = merchantManager;
+        }
+
+        [HttpPost("merchant")]
+        public async Task<IActionResult> MerchantExecute([FromBody] ApiRequest request)
+        {
+            var response = await _merchantManager.Execute(request);
+            return StatusCode(response.StatusCode, response);
+        }
     }
 }