Working with APIs often means dealing with JSON. Most of the time, JSON is straightforward to read and write, but a small syntax mistake can make an otherwise correct API request fail.

A missing comma, an extra bracket, or an incorrectly quoted key can be enough to cause a parsing error.

Here are a few simple ways to validate and format JSON before using it in your application.

What Makes JSON Valid?

JSON has a relatively simple structure. Objects use curly brackets {}, arrays use square brackets [], and property names must be enclosed in double quotes.