Apis

Good APIs are intuitive. Bad APIs generate support tickets. Here's how to design the good kind.

Session vs JWT vs OAuth - when to use what, and how to implement each securely.

GraphQL isn't always better than REST. Here's how to choose.

Stop guessing which status code to return. Here's what each one actually means.

Simple token authentication for SPAs and mobile apps.

Real-time updates without polling. Understand when and how to use WebSockets.

Protect your API from abuse without blocking legitimate users.

How JWTs work, when to use them, and common security mistakes.