# Test Password Strength and Password History with TypeScript and MongoDB

DevFeed: [Test Password Strength and Password History with TypeScript and MongoDB](<https://devfeed.tech/articles/test-password-strength-and-password-history-with-typescript-and-mongodb-21850.md>)

Original publisher: [Read original article](<https://www.thepolyglotdeveloper.com/blog/2026/06/test-password-strength-and-password-history-with-typescript-and-mongodb/>)

Author: Nic Raboy

Published: 2026-06-19T12:00:00Z

Content type: tutorial

Language: en

Sources: [Nic Raboy](<https://devfeed.tech/sources/nic-raboy.md>)

Topics: [passwords](<https://devfeed.tech/topics/passwords.md>), [MongoDB](<https://devfeed.tech/topics/mongodb.md>), [TypeScript](<https://devfeed.tech/topics/typescript.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [Development](<https://devfeed.tech/topics/development.md>), [Express](<https://devfeed.tech/topics/express.md>), [Node.js](<https://devfeed.tech/topics/node-js.md>), [API](<https://devfeed.tech/topics/api.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [development](<https://devfeed.tech/tags/development.md>), [express](<https://devfeed.tech/tags/express.md>), [getting-started](<https://devfeed.tech/tags/getting-started.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [node](<https://devfeed.tech/tags/node.md>), [password](<https://devfeed.tech/tags/password.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>), [typescript](<https://devfeed.tech/tags/typescript.md>)

## AI overview

A tutorial on building a TypeScript API with Express and MongoDB that enforces password-strength rules, stores current and previous password hashes, authenticates users, and rejects password reuse.

## Source excerpt

Just about every application you build is going to need some form of user authentication, and the moment you have user accounts, you have passwords to manage. Storing them safely is only part of the j... The post Test Password Strength and Password History with TypeScript and MongoDB appeared first on DEV.