diff --git a/__tests__/unit/Response.test.js b/__tests__/unit/Response.test.js
index 9fb0c78..9e0b878 100644
--- a/__tests__/unit/Response.test.js
+++ b/__tests__/unit/Response.test.js
@@ -13,7 +13,7 @@ it("Check Response Class sending 'entity' field after 'code' field", () => {
 
   const response = new Response(res);
 
-  const test = () => response.code(response.CONFLICT_REQUEST);
+  const test = () => response.code(response.CONFLICT_409);
 
   expect(test).toThrow("You must set the entity value before to set the code");
 });
@@ -28,7 +28,7 @@ it("Check Response Class without sending the 'code' field", () => {
   const test = () => response.entity(entities.USER).send();
 
   expect(test).toThrow(
-    "This request dont have a defined error code, set this with: response.code(response.SUCCESS_POST); for example"
+    "This request dont have a defined error code, set this with: response.code(response.CREATED_201); for example"
   );
 });
 
@@ -63,7 +63,7 @@ it("Check Response Class with successfully correctly usage", () => {
 
   const objectResponse = response
     .entity(entities.USER)
-    .code(response.SUCCESS_POST)
+    .code(response.CREATED_201)
     .message("Successful post")
     .data(dataRequest)
     .metadata(metadataRequest)
diff --git a/src/middlewares/AuthMiddleware.js b/src/middlewares/AuthMiddleware.js
index 938ffda..9c60584 100644
--- a/src/middlewares/AuthMiddleware.js
+++ b/src/middlewares/AuthMiddleware.js
@@ -14,7 +14,7 @@ module.exports = async (req, res, next) => {
   const badRequest = response
     .isError()
     .entity(entities.USER)
-    .code(response.INVALID_AUTH);
+    .code(response.UNAUTHORIZED_401);
 
   const authHeader = req.headers.authorization;
 
diff --git a/src/services/AuthenticationUserService.js b/src/services/AuthenticationUserService.js
index d1b53b8..23ef7d7 100644
--- a/src/services/AuthenticationUserService.js
+++ b/src/services/AuthenticationUserService.js
@@ -18,7 +18,7 @@ module.exports = async (req, res) => {
     return response
       .isError()
       .entity(entities.USER)
-      .code(response.RESOURCE_NOT_FOUND)
+      .code(response.NOT_FOUND_404)
       .message("User not found")
       .send();
 
@@ -26,7 +26,7 @@ module.exports = async (req, res) => {
     return response
       .isError()
       .entity(entities.USER)
-      .code(response.INVALID_REQUEST)
+      .code(response.BAD_REQUEST_400)
       .message("Invalid Password")
       .send();
 
@@ -34,7 +34,7 @@ module.exports = async (req, res) => {
 
   return response
     .entity(entities.USER)
-    .code(response.SUCCESS_GET)
+    .code(response.OK_200)
     .data({ user })
     .metadata({ token: jwt.generate({ id: user.id }) })
     .send();
diff --git a/src/services/ConsultDialogService.js b/src/services/ConsultDialogService.js
index 68335f1..515f003 100644
--- a/src/services/ConsultDialogService.js
+++ b/src/services/ConsultDialogService.js
@@ -25,7 +25,7 @@ module.exports = async (req, res) => {
       return response
         .isError()
         .entity(entities.DIALOG)
-        .code(response.RESOURCE_NOT_FOUND)
+        .code(response.NOT_FOUND_404)
         .message("Resource not found")
         .send();
 
@@ -39,7 +39,7 @@ module.exports = async (req, res) => {
 
     return response
       .entity(entities.DIALOG)
-      .code(response.SUCCESS_GET)
+      .code(response.OK_200)
       .data(data)
       .send();
   } catch (err) {
@@ -49,7 +49,9 @@ module.exports = async (req, res) => {
       .isError()
       .entity(entities.DIALOG)
       .code(
-        isValidationError ? response.INVALID_REQUEST : response.INTERNAL_ERROR
+        isValidationError
+          ? response.BAD_REQUEST_400
+          : response.INTERNAL_SERVER_ERROR_500
       )
       .message(isValidationError ? err.message : "Dialog consultation failed")
       .send();
diff --git a/src/services/CreateDialogService.js b/src/services/CreateDialogService.js
index 8dfe236..400a737 100644
--- a/src/services/CreateDialogService.js
+++ b/src/services/CreateDialogService.js
@@ -18,7 +18,7 @@ module.exports = async (req, res) => {
 
     return response
       .entity(entities.DIALOG)
-      .code(response.SUCCESS_POST)
+      .code(response.CREATED_201)
       .data(dialog)
       .send();
   } catch (error) {
@@ -28,7 +28,9 @@ module.exports = async (req, res) => {
       .isError()
       .entity(entities.DIALOG)
       .code(
-        isValidationError ? response.INVALID_REQUEST : response.INTERNAL_ERROR
+        isValidationError
+          ? response.BAD_REQUEST_400
+          : response.INTERNAL_SERVER_ERROR_500
       )
       .message(isValidationError ? error.message : "Dialog creation failed")
       .send();
diff --git a/src/services/RegisterUserService.js b/src/services/RegisterUserService.js
index 06cbcfd..8cfd7bf 100644
--- a/src/services/RegisterUserService.js
+++ b/src/services/RegisterUserService.js
@@ -17,7 +17,7 @@ module.exports = async (req, res) => {
       return response
         .isError()
         .entity(entities.USER)
-        .code(response.INVALID_REQUEST)
+        .code(response.BAD_REQUEST_400)
         .message("User already exists")
         .send();
 
@@ -32,7 +32,7 @@ module.exports = async (req, res) => {
 
     return response
       .entity(entities.USER)
-      .code(response.SUCCESS_POST)
+      .code(response.CREATED_201)
       .data({ user })
       .metadata({
         token: jwt.generate({ id: user.id }),
@@ -42,8 +42,8 @@ module.exports = async (req, res) => {
     const isValidationError = error.name === "ValidationError";
 
     const code = isValidationError
-      ? response.INVALID_REQUEST
-      : response.INTERNAL_ERROR;
+      ? response.BAD_REQUEST_400
+      : response.INTERNAL_SERVER_ERROR_500;
 
     const message = isValidationError ? error.message : "Registration failed";
 
diff --git a/src/utils/responses.js b/src/utils/responses.js
index 2b6d0e8..ed00323 100644
--- a/src/utils/responses.js
+++ b/src/utils/responses.js
@@ -15,7 +15,7 @@ module.exports = class Response {
       },
       code: {
         message:
-          "This request dont have a defined error code, set this with: response.code(response.SUCCESS_POST); for example",
+          "This request dont have a defined error code, set this with: response.code(response.CREATED_201); for example",
         value: undefined,
       },
     };
@@ -86,63 +86,51 @@ module.exports = class Response {
   }
 
   // When the action required is a post request and request is successful
-  get SUCCESS_POST() {
+  get CREATED_201() {
     this.status = 201;
     return `success-created/${this.required.entity.value}`;
   }
 
   // When the action required is a get request and request is successful
-  get SUCCESS_GET() {
+  get OK_200() {
     this.status = 200;
     return `success-get/${this.required.entity.value}`;
   }
 
   // When the action required is a delete request and request is successful
-  get SUCCESS_DELETE() {
+  get NO_CONTENT_204() {
     this.status = 204;
     return `success-deleted/${this.response.entity}`;
   }
 
-  // When the action required is a put request and request is successful
-  get SUCCESS_UPDATE() {
-    this.status = 204;
-    return `success-updated/${this.response.entity}`;
-  }
-
   // When the client dont have permission to do X action
-  get INVALID_AUTH() {
+  get UNAUTHORIZED_401() {
     this.status = 401;
     return `invalid-auth/${this.response.entity}`;
   }
 
   // When the resource not exists on database or any system place
-  get RESOURCE_NOT_FOUND() {
+  get NOT_FOUND_404() {
     this.status = 404;
     return `not-found/${this.response.entity}`;
   }
 
   // When the client send a bad request: invalid password, invalid email, or send a invalid field
   // Or the current resource already exists, etc
-  get INVALID_REQUEST() {
+  get BAD_REQUEST_400() {
     this.status = 400;
     return `invalid-request/${this.response.entity}`;
   }
 
   // When the user request dont can be continued by conflicts with other resources
-  get CONFLICT_REQUEST() {
+  get CONFLICT_409() {
     this.status = 409;
     return `conflict-request/${this.response.entity}`;
   }
 
   // A internal server error
-  get INTERNAL_ERROR() {
+  get INTERNAL_SERVER_ERROR_500() {
     this.status = 500;
     return `internal-server-error/${this.response.entity}`;
   }
-
-  // A error that not have tratative
-  get UNKNOWN_ERROR() {
-    this.status = 500;
-    return `unkown-error/${this.response.entity}`;
-  }
 };