diff --git a/backend/src/controllers/WhatsAppController.ts b/backend/src/controllers/WhatsAppController.ts
index dc1f9ef..bc7627c 100644
--- a/backend/src/controllers/WhatsAppController.ts
+++ b/backend/src/controllers/WhatsAppController.ts
@@ -1,5 +1,10 @@
 import { Request, Response } from "express";
+
 import CreateWhatsAppService from "../services/WhatsappService/CreateWhatsAppService";
+import DeleteWhatsApprService from "../services/WhatsappService/DeleteWhatsApprService";
+import ListWhatsAppsService from "../services/WhatsappService/ListWhatsAppsService";
+import ShowWhatsAppService from "../services/WhatsappService/ShowWhatsAppService";
+import UpdateWhatsAppService from "../services/WhatsappService/UpdateWhatsAppService";
 // import Yup from "yup";
 // import Whatsapp from "../models/Whatsapp";
 // import { getIO } from "../libs/socket";
@@ -7,8 +12,6 @@ import CreateWhatsAppService from "../services/WhatsappService/CreateWhatsAppSer
 // import wbotMessageListener from "../services/wbotMessageListener";
 // import wbotMonitor from "../services/wbotMonitor";
 
-import ListWhatsAppsService from "../services/WhatsappService/ListWhatsAppsService";
-
 export const index = async (req: Request, res: Response): Promise<Response> => {
   const whatsapps = await ListWhatsAppsService();
 
@@ -47,89 +50,54 @@ export const store = async (req: Request, res: Response): Promise<Response> => {
   return res.status(200).json(whatsapp);
 };
 
-// export const show = async (req: Request, res: Response): Promise<Response> => {
-//   const { whatsappId } = req.params;
-//   const whatsapp = await Whatsapp.findByPk(whatsappId);
+export const show = async (req: Request, res: Response): Promise<Response> => {
+  const { whatsappId } = req.params;
 
-//   if (!whatsapp) {
-//     return res.status(200).json({ message: "Session not found" });
-//   }
+  const whatsapp = await ShowWhatsAppService(whatsappId);
 
-//   return res.status(200).json(whatsapp);
-// };
+  return res.status(200).json(whatsapp);
+};
 
-// export const update = async (
-//   req: Request,
-//   res: Response
-// ): Promise<Response> => {
-//   const { whatsappId } = req.params;
+export const update = async (
+  req: Request,
+  res: Response
+): Promise<Response> => {
+  const { whatsappId } = req.params;
+  const whatsappData = req.body;
 
-//   const schema = Yup.object().shape({
-//     name: Yup.string().required().min(2),
-//     default: Yup.boolean()
-//       .required()
-//       .test(
-//         "Check-default",
-//         "Only one default whatsapp is permited",
-//         async value => {
-//           if (value === true) {
-//             const whatsappFound = await Whatsapp.findOne({
-//               where: { default: true }
-//             });
-//             if (whatsappFound) {
-//               return !(whatsappFound.id !== +whatsappId);
-//             } else {
-//               return true;
-//             }
-//           } else return true;
-//         }
-//       )
-//   });
+  const whatsapp = await UpdateWhatsAppService({ whatsappData, whatsappId });
+  // const io = getIO();
 
-//   try {
-//     await schema.validate(req.body);
-//   } catch (err) {
-//     return res.status(400).json({ error: err.message });
-//   }
+  // const whatsapp = await Whatsapp.findByPk(whatsappId);
 
-//   const io = getIO();
+  // if (!whatsapp) {
+  //   return res.status(404).json({ message: "Whatsapp not found" });
+  // }
 
-//   const whatsapp = await Whatsapp.findByPk(whatsappId);
+  // await whatsapp.update(req.body);
 
-//   if (!whatsapp) {
-//     return res.status(404).json({ message: "Whatsapp not found" });
-//   }
+  // io.emit("whatsapp", {
+  //   action: "update",
+  //   whatsapp: whatsapp
+  // });
 
-//   await whatsapp.update(req.body);
+  return res.status(200).json(whatsapp);
+};
 
-//   io.emit("whatsapp", {
-//     action: "update",
-//     whatsapp: whatsapp
-//   });
+export const remove = async (
+  req: Request,
+  res: Response
+): Promise<Response> => {
+  // const io = getIO();
+  const { whatsappId } = req.params;
 
-//   return res.status(200).json({ message: "Whatsapp updated" });
-// };
+  await DeleteWhatsApprService(whatsappId);
+  // removeWbot(whatsapp.id);
 
-// export const remove = async (
-//   req: Request,
-//   res: Response
-// ): Promise<Response> => {
-//   const io = getIO();
-//   const { whatsappId } = req.params;
+  // io.emit("whatsapp", {
+  //   action: "delete",
+  //   whatsappId: whatsapp.id
+  // });
 
-//   const whatsapp = await Whatsapp.findByPk(whatsappId);
-
-//   if (!whatsapp) {
-//     return res.status(404).json({ message: "Whatsapp not found" });
-//   }
-
-//   await whatsapp.destroy();
-//   removeWbot(whatsapp.id);
-
-//   io.emit("whatsapp", {
-//     action: "delete",
-//     whatsappId: whatsapp.id
-//   });
-
-//   return res.status(200).json({ message: "Whatsapp deleted." });
-// };
+  return res.status(200).json({ message: "Whatsapp deleted." });
+};
diff --git a/backend/src/routes/whatsappRoutes.ts b/backend/src/routes/whatsappRoutes.ts
index de7fa28..dc187a7 100644
--- a/backend/src/routes/whatsappRoutes.ts
+++ b/backend/src/routes/whatsappRoutes.ts
@@ -9,14 +9,14 @@ whatsappRoutes.get("/whatsapp/", isAuth, WhatsAppController.index);
 
 whatsappRoutes.post("/whatsapp/", isAuth, WhatsAppController.store);
 
-// whatsappRoutes.get("/whatsapp/:whatsappId", isAuth, WhatsAppController.show);
+whatsappRoutes.get("/whatsapp/:whatsappId", isAuth, WhatsAppController.show);
 
-// whatsappRoutes.put("/whatsapp/:whatsappId", isAuth, WhatsAppController.update);
+whatsappRoutes.put("/whatsapp/:whatsappId", isAuth, WhatsAppController.update);
 
-// whatsappRoutes.remove(
-//   "/whatsapp/:whatsappId",
-//   isAuth,
-//   WhatsAppController.delete
-// );
+whatsappRoutes.delete(
+  "/whatsapp/:whatsappId",
+  isAuth,
+  WhatsAppController.remove
+);
 
 export default whatsappRoutes;
diff --git a/backend/src/services/WhatsappService/DeleteWhatsApprService.ts b/backend/src/services/WhatsappService/DeleteWhatsApprService.ts
new file mode 100644
index 0000000..4f597c3
--- /dev/null
+++ b/backend/src/services/WhatsappService/DeleteWhatsApprService.ts
@@ -0,0 +1,16 @@
+import Whatsapp from "../../models/Whatsapp";
+import AppError from "../../errors/AppError";
+
+const DeleteWhatsApprService = async (id: string): Promise<void> => {
+  const whatsapp = await Whatsapp.findOne({
+    where: { id }
+  });
+
+  if (!whatsapp) {
+    throw new AppError("No whatsapp found with this ID.", 404);
+  }
+
+  await whatsapp.destroy();
+};
+
+export default DeleteWhatsApprService;
diff --git a/backend/src/services/WhatsappService/ShowWhatsAppService.ts b/backend/src/services/WhatsappService/ShowWhatsAppService.ts
new file mode 100644
index 0000000..00050fb
--- /dev/null
+++ b/backend/src/services/WhatsappService/ShowWhatsAppService.ts
@@ -0,0 +1,18 @@
+import Whatsapp from "../../models/Whatsapp";
+import AppError from "../../errors/AppError";
+
+const ShowWhatsAppService = async (
+  id: string
+): Promise<Whatsapp | undefined> => {
+  const whatsapp = await Whatsapp.findOne({
+    where: { id }
+  });
+
+  if (!whatsapp) {
+    throw new AppError("No whatsapp found with this ID.", 404);
+  }
+
+  return whatsapp;
+};
+
+export default ShowWhatsAppService;
diff --git a/backend/src/services/WhatsappService/UpdateWhatsAppService.ts b/backend/src/services/WhatsappService/UpdateWhatsAppService.ts
new file mode 100644
index 0000000..d818e21
--- /dev/null
+++ b/backend/src/services/WhatsappService/UpdateWhatsAppService.ts
@@ -0,0 +1,66 @@
+import * as Yup from "yup";
+
+import AppError from "../../errors/AppError";
+import Whatsapp from "../../models/Whatsapp";
+
+interface WhatsappData {
+  name?: string;
+  status?: string;
+  isDefault?: boolean;
+}
+
+interface Request {
+  whatsappData: WhatsappData;
+  whatsappId: string;
+}
+
+const UpdateWhatsAppService = async ({
+  whatsappData,
+  whatsappId
+}: Request): Promise<Whatsapp> => {
+  const schema = Yup.object().shape({
+    name: Yup.string().min(2),
+    default: Yup.boolean().test(
+      "Check-default",
+      "Only one default whatsapp is permited",
+      async value => {
+        if (value === true) {
+          const whatsappFound = await Whatsapp.findOne({
+            where: { default: true }
+          });
+          if (whatsappFound) {
+            return !(whatsappFound.id !== +whatsappId);
+          }
+          return true;
+        }
+        return true;
+      }
+    )
+  });
+
+  const { name, status, isDefault } = whatsappData;
+
+  try {
+    await schema.validate({ name, status, isDefault });
+  } catch (err) {
+    throw new AppError(err.message);
+  }
+
+  const whatsapp = await Whatsapp.findOne({
+    where: { id: whatsappId }
+  });
+
+  if (!whatsapp) {
+    throw new AppError("No whatsapp found with this ID.", 404);
+  }
+
+  await whatsapp.update({
+    name,
+    status,
+    isDefault
+  });
+
+  return whatsapp;
+};
+
+export default UpdateWhatsAppService;