Express Authentication Methods: Syntax and Results

Posted by on Feb 3, 2026 in Management Computer Engineering and Information Systems | 0 comments

1. Basic Authentication (Stateless)

What it is: A very simple authentication where a username and password are sent in the Authorization header (Base64 encoded). Not safe unless over HTTPS.

Example (express-basic-auth)

const express = require("express");
const basicAuth = require("express-basic-auth");

const app = express();

app.use(
  basicAuth({
    users: { admin: "pass123" },
    challenge: true,
    unauthorizedResponse: "Invalid credentials"
  })
);

app.get("/", (req, res) => {
  res.send(
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