Founder

Don't forget this on your YC application

I was fortunate enough to go through YC with my company PropelAuth for the W22 batch. As an authentication company, we have a lot of customers that are early stage startups themselves and I often get asked what the secret is to getting in to YC. Let me just start

Authentication

What Does Timing Attack Actually Mean?

Timing attacks Timing attacks are a class of malicious attacks against a product where the length of time that your application takes to perform a task leaks some information. Take, for example, an application that takes in an email and password to check. If there is no user with a

Coding

Pair Programming with GPT-4: CrosswordGPT

Now that GPT-4 has been released and a lot of incredible demos are coming out, I wanted to give it a try with a complex project. I settled on a React-based crossword puzzle because there are a few moving parts and some tricky state to manage. Ultimately, I (we?) built

Coding

Drizzle - An ORM that lets you just write SQL

If you're a developer who's already comfortable with SQL, you know how frustrating it can be to switch to an ORM that requires you to learn a whole new query language. And if you’ve never heard of an ORM before, it’s basically a library on top of a

Authentication

What Does Authorization Actually Mean

The word “auth” is complicated because there are a wide range of topics that fall in the bucket of “auth.” In this series, we’ll take a practical approach to understanding many of these topics with examples to learn from. What is Authorization? Authorization is the process of determining if

Authentication

What Does Identity Provider Actually Mean?

When it comes to online security and authentication, the term "Identity Provider" is often thrown around. But what does it actually mean? In simple terms, an Identity Provider (IdP) is a trusted service that authenticates and verifies the identity of users and provides them with access to protected resources. In

Guide

Chrome Extension Authentication with Plasmo

Chrome extensions can be an incredibly powerful medium for a product. With over two billion active Chrome browsers in the world, an extension can help a brand reach a large audience with ease. They can provide additional functionality, improve user experience, and streamline tasks. The only problem, however, is they

Authentication

What Does 2FA Actually Mean?

Amongst the crowd of acronyms in the authentication space, 2FA, or Two Factor Authentication, seems to be one of the more self explanatory names. But what actually goes into 2FA, and how does it factor into authentication as a whole? What is 2FA? 2FA, or two-factor authentication, is a security

Authentication

What Does Passwordless Actually Mean?

Passwords have been around for a long time, and while they are easy to understand, they do come with some drawbacks. They are essential for keeping our online accounts secure, but they can also be a hassle to remember and manage. Luckily, there's a way to log in that eliminates

Authentication

What Does SAML Actually Mean?

Amongst the various acronyms and abbreviations in the world of authentication, SAML, which stands for Security Assertion Markup Language, is one of the most confusing. So here we’ll walk through what is involved in SAML SSO and paint a clearer picture of what it actually means. First, a brief

Authentication

What Does SSO Actually Mean?

Before answering the question at hand, you should know that you’ve probably used SSO already. Any time you’ve signed up for or logged into a product using a Google or Facebook or other social account, you’ve been using SSO. SSO stands for "Single Sign-On", and it's a

Rust

I love building a startup in Rust. I wouldn't pick it again.

For almost two years now, the vast majority of our backend code was written in Rust (aside from a little bit of Python). I love Rust, it’s by far my favorite language. I find myself missing match in pretty much every other language I go to. However, if I

React/Rust + Axum Multi-Tenant Starter App

In this guide, we’ll build an example B2B application in React where users can sign up, login, manage their accounts, and view organization and member information, PropelAuth, React, and Rust/Axum. We're going to use the following technologies for this blog post: * React.js - for our frontend * Rust/

Product

PropelAuth's Customizable Login Components

That’s why we decided to build our own React-based component library which focuses on customizability. The idea is that instead of relying on our styles, our fonts, and our border-radius (border-radii?), every component can be restyled or overridden completely.

MachineLearning

Production-Ready OpenAI (GPT) Template

OpenAI has a great quickstart template to help build applications using their APIs. Their APIs have been used for pretty much everything at this point, like generating marketing copy, procedural games, and even code. Their template uses Next.js on both the frontend and backend, utilizing Next.js Serverless API

Python

React/Python + Chalice Starter App

In this guide, we’ll build an example B2B application in React where users can sign up, login, manage their accounts, and view organization and member information, PropelAuth, React, Python, and Chalice. We're going to use the following technologies for this blog post: * React.js - for our frontend * Python

Flask

React/Flask Starter App

In this guide, we’ll build an example B2B application in React where users can sign up, login, manage their accounts, and view organization and member information, PropelAuth, React, and Flask. We're going to use the following technologies for this blog post: * React.js - for our frontend * Flask -

Express

React/Express Starter App

In this guide, we’ll build an example B2B application in React where users can sign up, login, manage their accounts, and view organization and member information, PropelAuth, React, and Express. We're going to use the following technologies for this blog post: * React.js - for our frontend * Express (Node.

B2B

Adding Multi-Account Support to Your Product

When starting a startup, the initial focus is usually on getting your product into peoples hands as quickly as possible. You want to cut any features that aren’t important so you can find out if you are heading in the right direction - this is usually known as making

Guide

React/Fast API Starter Guide

In this guide, we’ll build an example B2B application in React where users can sign up, login, manage their accounts, and view organization and member information, all using PropelAuth, React, and FastAPI. We're going to use the following technologies for this blog post: * React.js - for our frontend

Passwordless

5 Creative Uses of Magic Links

Magic links, also known as passwordless logins or one-time links, have become an increasingly popular way to improve the user experience and increase security for various online applications and services. Magic links typically work like this: This comes with some nice benefits, for example, you don’t need a separate

Guide

Next.js Multi-Tenant Starter Application

In this guide, we’ll build an example B2B application in Next.js where users can sign up, login, manage their accounts, and view organization and member information, all using PropelAuth and NextJS. We're going to use the following technologies for walkthrough: * Next.js - for our frontend and backend

Authentication for Cloudflare Workers

We are thrilled to announce the release of @propelauth/cloudflare-worker - a Javascript/Typescript library that makes it easy to add authentication and authorization to your Cloudflare Workers. With this, you can write code as simple as: export default { async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise { try

Coding

Clean Code with Rust & Axum

One of my favorite parts of the book Clean Code was seeing a code snippet that starts off gross and unmanageable and watching it iteratively improve. In this post, we’re going to do the same thing but specifically use a close-to real-world example with Rust and Axum. For each

Product

Rust Authentication with PropelAuth

We are incredibly excited to release the propelauth crate, which you can use to add authentication and authorization to your Rust backend. We have support built out for Actix and Axum, as well as a generic library that can be used in any other framework.