diff --git a/backend/config/database/database.js b/backend/config/database/database.js
index cdda1df..c2323f8 100644
--- a/backend/config/database/database.js
+++ b/backend/config/database/database.js
@@ -1,6 +1,7 @@
 const {Sequelize} = require('sequelize');
 
 const connection = 'postgresql://test_db_owner:Lqn84hbsNPvG@ep-purple-voice-a5bgc10s.us-east-2.aws.neon.tech/test_db?sslmode=require'
+// const connection = process.env.DATABASE_URL
 
 const sequelize = new Sequelize(connection, {
     dialect: 'postgres',
diff --git a/backend/controller/StripeController.js b/backend/controller/StripeController.js
index a5565d3..7f15d4f 100644
--- a/backend/controller/StripeController.js
+++ b/backend/controller/StripeController.js
@@ -4,7 +4,8 @@ const router = express.Router()
 const stripe = require('stripe')('sk_test_51PSHknKnVUk9u0R7NE00UeVyiOzpnfGxGYnLG6ViHxy2eOpDXfYCQTU28Xnfuh9MPvg7qwi5hQp4ArEBjJhjv73z005BOmZJSK')
 
 // const domain = "http://localhost:5173"
-const domain = "http://86.38.204.61"
+// const domain = "http://86.38.204.61"
+const domain = process.env.FRONTEND_URL
 
 router.post('/create-checkout-session', async (req, res) => {
     //TODO encriptar y parsear a bse64 datos del retorno de la respuesta
diff --git a/backend/controller/UserController.js b/backend/controller/UserController.js
index 174adce..e06c0b3 100644
--- a/backend/controller/UserController.js
+++ b/backend/controller/UserController.js
@@ -54,7 +54,8 @@ router.post('/register', async (req, res) => {
 })
 
 router.post('/login', async (req, res) => {
-    const { user, password } = req.body
+    const user = req.body.user
+    const password = atob(req.body.password)
 
     const errors = {}
 
@@ -78,6 +79,7 @@ router.post('/login', async (req, res) => {
         return res.status(404).json({ message: 'Usuario o contraseña incorrectos' })
     }
 
+    userFound.password = undefined
     res.status(200).json(userFound)
 })
 
diff --git a/backend/index.js b/backend/index.js
index f505ae6..578168d 100644
--- a/backend/index.js
+++ b/backend/index.js
@@ -1,14 +1,15 @@
-require('dotenv').config()
+require('dotenv').config();
+const express = require('express');
+const app = express();
 
-const express = require("express")
 const cors = require('cors')
 
 const meetController = require('./controller/MeetController')
 const stripeController = require('./controller/StripeController')
 const userController = require('./controller/UserController')
 const purchaseController = require('./controller/PurchaseController')
+const authenticateInterceptorMiddleware = require('./interceptor/AuthenticateInterceptorMiddleware');
 
-const app = express()
 const port = process.env.PORT ? process.env.PORT : 5000
 
 const corsOptions = {
@@ -19,6 +20,7 @@ const corsOptions = {
 
 app.use(cors(corsOptions))
 app.use(express.json())
+app.use(authenticateInterceptorMiddleware)
 
 app.use('/api/meets', meetController)
 app.use('/api/users', userController)
diff --git a/backend/interceptor/AuthenticateInterceptorMiddleware.js b/backend/interceptor/AuthenticateInterceptorMiddleware.js
new file mode 100644
index 0000000..931545c
--- /dev/null
+++ b/backend/interceptor/AuthenticateInterceptorMiddleware.js
@@ -0,0 +1,41 @@
+const userService = require("../service/UserService");
+
+async function interceptorMiddleware(req, res, next) {
+    const path = req.path.toLowerCase();
+
+    const excludedPaths = [
+        '/api/users/login',
+        '/api/users/register'
+    ];
+
+    if (!excludedPaths.includes(path)) {
+        const authHeader = req.headers.authorization;
+        if (!authHeader || !authHeader.startsWith('Basic ')) {
+            return res.status(401).json({ message: 'Unauthorized' });
+        }
+
+        try {
+            const authHeaderReplaced = authHeader.replace('Basic ', '');
+            const authDecode = Buffer.from(authHeaderReplaced, 'base64').toString('utf-8');
+            const [user, password] = authDecode.split(':');
+            
+            // Validar usuario y contraseña
+            const userFound = await userService.login(user, atob(password));
+
+            if (!userFound) {
+                return res.status(401).json({ message: 'Unauthorized' });
+            }
+
+            // Agregar el usuario encontrado al objeto req para su uso posterior si es necesario
+            req.user = userFound;
+
+        } catch (error) {
+            console.error('Error en middleware de autenticación:', error);
+            return res.status(500).json({ message: 'Internal Server Error' });
+        }
+    }
+
+    next();
+}
+
+module.exports = interceptorMiddleware;
diff --git a/backend/package-lock.json b/backend/package-lock.json
index 412dc1b..3bcef96 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "bcrypt": "^5.1.0",
         "cors": "^2.8.5",
-        "dotenv": "^16.0.3",
+        "dotenv": "^16.4.5",
         "express": "^4.19.2",
         "express-validator": "^6.14.2",
         "jsonwebtoken": "^9.0.0",
diff --git a/backend/package.json b/backend/package.json
index 5310e44..a30541d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "bcrypt": "^5.1.0",
     "cors": "^2.8.5",
-    "dotenv": "^16.0.3",
+    "dotenv": "^16.4.5",
     "express": "^4.19.2",
     "express-validator": "^6.14.2",
     "jsonwebtoken": "^9.0.0",
@@ -22,10 +22,10 @@
     "pg-hstore": "^2.3.4",
     "sequelize": "^6.37.3",
     "sqlite3": "^5.1.7",
+    "stripe": "^15.12.0",
     "swagger-jsdoc": "^6.2.8",
     "swagger-ui-express": "^4.6.2",
-    "uuid": "^9.0.0",
-    "stripe": "^15.12.0"
+    "uuid": "^9.0.0"
   },
   "devDependencies": {
     "eslint": "^9.5.0",
diff --git a/frontend/.eslintrc.cjs b/frontend/.eslintrc.cjs
index 3e212e1..9f9ce34 100644
--- a/frontend/.eslintrc.cjs
+++ b/frontend/.eslintrc.cjs
@@ -1,6 +1,6 @@
 module.exports = {
   root: true,
-  env: { browser: true, es2020: true },
+  env: { browser: true, es2020: true, node: true},
   extends: [
     'eslint:recommended',
     'plugin:react/recommended',
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 7e1bf87..c827eee 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -11,6 +11,7 @@
         "@stripe/react-stripe-js": "^2.7.1",
         "bcrypt": "^5.1.1",
         "date-fns": "^3.6.0",
+        "dotenv": "^16.4.5",
         "express": "^4.19.2",
         "primeflex": "^3.3.1",
         "primeicons": "^7.0.0",
@@ -2207,6 +2208,17 @@
         "csstype": "^3.0.2"
       }
     },
+    "node_modules/dotenv": {
+      "version": "16.4.5",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.5.tgz",
+      "integrity": "sha512-ZmdL2rui+eB2YwhsWzjInR8LldtZHGDoQ1ugH85ppHKwpUHL7j7rN0Ti9NCnGiQbhaZ11FpR+7ao1dNsmduNUg==",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 4175da3..a532959 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -10,6 +10,7 @@
     "@stripe/react-stripe-js": "^2.7.1",
     "bcrypt": "^5.1.1",
     "date-fns": "^3.6.0",
+    "dotenv": "^16.4.5",
     "express": "^4.19.2",
     "primeflex": "^3.3.1",
     "primeicons": "^7.0.0",
diff --git a/frontend/src/components/forms/login/Login.jsx b/frontend/src/components/forms/login/Login.jsx
index a9865cf..3bdb88a 100644
--- a/frontend/src/components/forms/login/Login.jsx
+++ b/frontend/src/components/forms/login/Login.jsx
@@ -12,8 +12,7 @@ export default function Login() {
     const navigate = useNavigate()
     const [user, setUser] = useState("")
     const [password, setPassword] = useState("")
-    // const domain = 'http://localhost:5000'
-    const domain = "http://86.38.204.61"
+    const domain = import.meta.env.VITE_API_URL
 
     function validateEmail(email) {
         const re = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
@@ -27,7 +26,10 @@ export default function Login() {
                 headers: {
                     'Content-Type': 'application/json'
                 },
-                body: JSON.stringify({user, password})
+                body: JSON.stringify({
+                    user: user,
+                    password: btoa(password)
+                })
             })
                 .then(async response => {
                     if (!response.ok) {
@@ -36,6 +38,7 @@ export default function Login() {
                     return response.json()
                 })
                 .then(data => {
+                    data.password = btoa(password)
                     startSession(data)
                     navigate("/virtual-dojo/frontend/dashboard")
                 })
diff --git a/frontend/src/components/forms/meet/MeetRegisterForm.jsx b/frontend/src/components/forms/meet/MeetRegisterForm.jsx
index a55270c..a581ae7 100644
--- a/frontend/src/components/forms/meet/MeetRegisterForm.jsx
+++ b/frontend/src/components/forms/meet/MeetRegisterForm.jsx
@@ -3,6 +3,7 @@ import { Button } from "primereact/button";
 import { useState } from "react";
 import { Calendar } from "primereact/calendar";
 import styled from 'styled-components';
+import {getBase64CredentialsFromSession} from "../../../utils/session";
 
 const RegisterContainer = styled.div`
     background-image: radial-gradient(circle at left top, var(--primary-400), var(--primary-700));
@@ -56,14 +57,15 @@ export default function MeetRegisterForm() {
     const [date, setDate] = useState(today);
     const [url, setUrl] = useState('');
     const [price, setPrice] = useState(0);
-    // const domain = "http://localhost:5000"
-    const domain = "http://86.38.204.61";
+    const domain = import.meta.env.VITE_API_URL
+    const base64Credentials = getBase64CredentialsFromSession()
 
     function saveMeet() {
         fetch(domain + '/api/meets', {
             method: 'POST',
             headers: {
-                'Content-Type': 'application/json'
+                'Content-Type': 'application/json',
+                'Authorization': `Basic ${base64Credentials}`
             },
             body: JSON.stringify({ meetUrl: url, meetDate: date, price: price })
         })
diff --git a/frontend/src/components/forms/register/Register.jsx b/frontend/src/components/forms/register/Register.jsx
index 75e234a..8818eed 100644
--- a/frontend/src/components/forms/register/Register.jsx
+++ b/frontend/src/components/forms/register/Register.jsx
@@ -14,8 +14,7 @@ export default function Register() {
     const [confirmPassword, setConfirmPassword] = useState("")
     const [errors, setErrors] = useState({})
     const navigate = useNavigate()
-    // const domain = 'http://localhost:5000'
-    const domain = "http://86.38.204.61"
+    const domain = import.meta.env.VITE_API_URL
 
     const today = new Date()
     const majorityAgeDate = new Date(today.getFullYear() - 18, 0, 1)
diff --git a/frontend/src/components/payment/CheckoutForm.jsx b/frontend/src/components/payment/CheckoutForm.jsx
index 024a552..e696e84 100644
--- a/frontend/src/components/payment/CheckoutForm.jsx
+++ b/frontend/src/components/payment/CheckoutForm.jsx
@@ -1,15 +1,15 @@
 import {useCallback} from "react"
 import {loadStripe} from '@stripe/stripe-js'
 import {format} from "date-fns"
-import {getSession} from "../../utils/session.jsx";
+import {getBase64CredentialsFromSession, getSession} from "../../utils/session.jsx";
 
 // eslint-disable-next-line react/prop-types
 export default function CheckoutForm({meet}) {
-    // const domain = "http://localhost:5000"
-    const domain = "http://86.38.204.61"
+    const domain = import.meta.env.VITE_API_URL
 
     const stripePromise = loadStripe("pk_test_51PSHknKnVUk9u0R7xWznb2PU2LeYeOgFXDVB14wP4BvJQBJ3RdH0ZLF801Ka7oLlNd7pFV7VZndQa2soCDluMFf200UugFXgnD")
     const user = getSession()
+    const base64Credentials = getBase64CredentialsFromSession()
 
     const fetchSessionId = useCallback(() => {
         return fetch(domain + "/api/stripe/create-checkout-session", {
@@ -21,6 +21,7 @@ export default function CheckoutForm({meet}) {
             }),
             headers: {
                 "Content-Type": "application/json",
+                'Authorization': `Basic ${base64Credentials}`
             },
         })
             .then((res) => {
diff --git a/frontend/src/hooks/useFetchMeets.js b/frontend/src/hooks/useFetchMeets.js
index 2cbe8e1..b4d1094 100644
--- a/frontend/src/hooks/useFetchMeets.js
+++ b/frontend/src/hooks/useFetchMeets.js
@@ -1,15 +1,20 @@
 import {useEffect, useState} from 'react';
+import {getBase64CredentialsFromSession} from "../utils/session";
 
 function useFetchMeets(isUser, hasSession) {
     const [meets, setMeets] = useState([]);
     const [error, setError] = useState(null);
-    // const domain = 'http://localhost:5000'
-    const domain = 'http://86.38.204.61'
+    const domain = import.meta.env.VITE_API_URL
+    const base64Credentials = getBase64CredentialsFromSession()
 
     useEffect(() => {
         async function fetchMeets() {
             try {
-                const response = await fetch(domain + '/api/meets/all');
+                const response = await fetch(domain + '/api/meets/all', {
+                    headers: {
+                        'Authorization': `Basic ${base64Credentials}`
+                    }
+                });
 
                 if (!response.ok) {
                     console.error('Network response was not ok', error);
diff --git a/frontend/src/hooks/useSavePurchase.js b/frontend/src/hooks/useSavePurchase.js
index f5fb9e7..09fa48c 100644
--- a/frontend/src/hooks/useSavePurchase.js
+++ b/frontend/src/hooks/useSavePurchase.js
@@ -1,17 +1,21 @@
 import {useEffect, useState} from "react"
+import {getBase64CredentialsFromSession} from "../utils/session";
 
 function useSavePurchase(isSuccess, meetId, userId) {
     const [response, setResponse] = useState({})
     const [error, setError] = useState(null);
-    // const domain = 'http://localhost:5000'
-    const domain = 'http://86.38.204.61'
+    const domain = import.meta.env.VITE_API_URL
+    const base64Credentials = getBase64CredentialsFromSession()
+
     useEffect(() => {
         async function savePurchase() {
             try {
                 const response = await fetch(domain + '/api/purchases', {
+
                     method: 'POST',
                     headers: {
                         'Content-Type': 'application/json',
+                        'Authorization': `Basic ${base64Credentials}`
                     },
                     body: JSON.stringify({  meetId, userId}),
                 })
diff --git a/frontend/src/utils/session.jsx b/frontend/src/utils/session.jsx
index 5b63154..d9af1af 100644
--- a/frontend/src/utils/session.jsx
+++ b/frontend/src/utils/session.jsx
@@ -40,3 +40,8 @@ export const isAdmin = () => {
     const sessionData = getSession()
     return sessionData && sessionData.role && sessionData.role === 'ADMIN'
 }
+
+export const getBase64CredentialsFromSession = () => {
+    const sessionData = getSession()
+    return btoa(sessionData.email + ':' + sessionData.password)
+}
\ No newline at end of file