diff --git a/NanoNet.Services.AuthAPI/Controllers/AuthController.cs b/NanoNet.Services.AuthAPI/Controllers/AuthController.cs
index a6c0915..f5abdd1 100644
--- a/NanoNet.Services.AuthAPI/Controllers/AuthController.cs
+++ b/NanoNet.Services.AuthAPI/Controllers/AuthController.cs
@@ -52,7 +52,7 @@ public async Task<IActionResult> Login(LoginRequestDto requestDto)
 		[HttpPost("AssignRole")]
 		public async Task<IActionResult> AssignRole(RegisterationRequestDto requestDto)
 		{
-			var assignResponse = await _authService.AssignRole(requestDto.Email, requestDto.RoleName.ToUpper());
+			var assignResponse = await _authService.AssignRole(requestDto.Email, requestDto.Role.ToUpper());
 
 			var responseDto = new ResponseDto();
 
diff --git a/NanoNet.Services.AuthAPI/Dtos/RegisterationRequestDto.cs b/NanoNet.Services.AuthAPI/Dtos/RegisterationRequestDto.cs
index 4cc92af..4a4f63d 100644
--- a/NanoNet.Services.AuthAPI/Dtos/RegisterationRequestDto.cs
+++ b/NanoNet.Services.AuthAPI/Dtos/RegisterationRequestDto.cs
@@ -14,6 +14,6 @@ public class RegisterationRequestDto
 
         public string Password { get; set; }
 
-        public string RoleName { get; set; } = "Client";
+        public string Role { get; set; } = "Client";
     }
 }
diff --git a/NanoNet.Services.CouponAPI/Controllers/CouponController.cs b/NanoNet.Services.CouponAPI/Controllers/CouponController.cs
index 2e032df..12ae181 100644
--- a/NanoNet.Services.CouponAPI/Controllers/CouponController.cs
+++ b/NanoNet.Services.CouponAPI/Controllers/CouponController.cs
@@ -73,6 +73,7 @@ public ActionResult<ResponseDto> GetCouponByCode(string code)
         }
 
         [HttpPost]
+        [Authorize(Roles = "ADMIN")]
         public ActionResult<ResponseDto> AddCoupon([FromBody] CouponDto couponDto)
         {
             try
@@ -92,6 +93,7 @@ public ActionResult<ResponseDto> AddCoupon([FromBody] CouponDto couponDto)
         }
 
         [HttpPut]
+        [Authorize(Roles = "ADMIN")]
         public ActionResult<ResponseDto> UpdateCoupon([FromBody] CouponDto couponDto)
         {
             try
@@ -111,6 +113,7 @@ public ActionResult<ResponseDto> UpdateCoupon([FromBody] CouponDto couponDto)
         }
 
         [HttpDelete("{id}")]
+        [Authorize(Roles = "ADMIN")]
         public ActionResult<ResponseDto> DeleteCoupon(int id)
         {
             try
diff --git a/NanoNet.Web/Controllers/AuthController.cs b/NanoNet.Web/Controllers/AuthController.cs
index bce3887..0a29c66 100644
--- a/NanoNet.Web/Controllers/AuthController.cs
+++ b/NanoNet.Web/Controllers/AuthController.cs
@@ -20,7 +20,7 @@ public IActionResult Register()
             var list = new List<SelectListItem>()
             {
                 new SelectListItem { Text = "Admin", Value = SD.RoleAdmin },
-                new SelectListItem { Text = "User", Value = SD.RoleUser }
+                new SelectListItem { Text = "Client", Value = SD.RoleUser }
             };
 
             ViewBag.RoleList = list;
diff --git a/NanoNet.Web/Utility/SD.cs b/NanoNet.Web/Utility/SD.cs
index aea9f63..7d3cbfa 100644
--- a/NanoNet.Web/Utility/SD.cs
+++ b/NanoNet.Web/Utility/SD.cs
@@ -9,7 +9,7 @@ public static class SD
 
         public const string RoleAdmin = "Admin";
 
-        public const string RoleUser = "User";
+        public const string RoleUser = "Client";
 
         public const string TokenName = "JWTToken";