# Common HTTP Status Codes

The status codes a REST API uses most, 200, 201, 204, 400, 401, 403, 404 and 500, and what each tells the client.

![Cheat sheet: Common HTTP Status Codes](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/354be0911d12459a9d7450af705329cd.webp)

- Category: Web APIs
- Level: Apprentice
- Tags: 201 Created, 400 Bad Request, 401 Unauthorized, 403 Forbidden, rest-api
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/returning-http-status-codes-common-http-status-codes-cheat-sheet