diff --git a/server/routers/dogsitters-finder/index.js b/server/routers/dogsitters-finder/index.js
index 29a1e54..b34e6af 100644
--- a/server/routers/dogsitters-finder/index.js
+++ b/server/routers/dogsitters-finder/index.js
@@ -1,35 +1,40 @@
-const router = require('express').Router();
+const router = require("express").Router();
 
 router.get("/users", (request, response) => {
-    response.send(require("./json/users/users.json"))
-})
+  response.send(require("./json/users/users.json"));
+});
 
 router.post("/auth", (request, response) => {
-    const {phoneNumber, password} = request.body;
-    console.log(phoneNumber, password);
-    if (phoneNumber === '89999999999') {
-        response.send(require("./json/auth/dogsitter.success.json"))
-    }
-    else if (phoneNumber === '89555555555') {
-        response.status(400).send(require("./json/auth/error.json"))
-    }
-    else {
-        response.send(require("./json/auth/owner.success.json"))
-    }
-})
+  const { phoneNumber, password } = request.body;
+  console.log(phoneNumber, password);
+  if (phoneNumber === "89999999999") {
+    response.send(require("./json/auth/dogsitter.success.json"));
+  } else if (phoneNumber === "89555555555") {
+    response.status(400).send(require("./json/auth/error.json"));
+  } else {
+    response.send(require("./json/auth/owner.success.json"));
+  }
+});
+
+router.post("/auth/2fa", (request, response) => {
+  const { code } = request.body;
+  if (code === "0000") {
+    response.send(require("./json/2fa/success.json"));
+  } else {
+    response.status(400).send(require("./json/2fa/error.json"));
+  }
+});
 
 router.post("/register", (request, response) => {
-    const {firstName, secondName, phoneNumber, password, role} = request.body;
-    console.log(phoneNumber, password, role);
-    if (phoneNumber === '89283244141' || phoneNumber === '89872855893') {
-        response.status(400).send(require("./json/register/error.json"))
-    }
-    else if (role === 'dogsitter') {
-        response.send(require("./json/register/dogsitter.success.json"))
-    }
-    else {
-        response.send(require("./json/register/owner.success.json"))
-    }
-})
+  const { firstName, secondName, phoneNumber, password, role } = request.body;
+  console.log(phoneNumber, password, role);
+  if (phoneNumber === "89283244141" || phoneNumber === "89872855893") {
+    response.status(400).send(require("./json/register/error.json"));
+  } else if (role === "dogsitter") {
+    response.send(require("./json/register/dogsitter.success.json"));
+  } else {
+    response.send(require("./json/register/owner.success.json"));
+  }
+});
 
 module.exports = router;
diff --git a/server/routers/dogsitters-finder/json/2fa/error.json b/server/routers/dogsitters-finder/json/2fa/error.json
new file mode 100644
index 0000000..7e4581e
--- /dev/null
+++ b/server/routers/dogsitters-finder/json/2fa/error.json
@@ -0,0 +1,4 @@
+{
+  "status": "error",
+  "message": "Invalid code."
+}
diff --git a/server/routers/dogsitters-finder/json/2fa/success.json b/server/routers/dogsitters-finder/json/2fa/success.json
new file mode 100644
index 0000000..21e7111
--- /dev/null
+++ b/server/routers/dogsitters-finder/json/2fa/success.json
@@ -0,0 +1,4 @@
+{
+  "status": "success",
+  "message": "Two-factor authentication passed."
+}