# Content-Type

The header that says what format a body is in.

## What is **Content-Type**?

`Content-Type` is the header that says what format a body is in, most often `application/json`. Send it with every request that has a body.

```text
Content-Type: application/json
```

Level: Apprentice · [More Web Development terms at this level](https://www.ask-codey.com/glossary/subjects/web-development/apprentice)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/content-type