← All posts

Decoding REST API Status Codes: 200, 401, 500

Learn what the numbers 200, 401, and 500 really mean when a server responds to your app.

🚀 The Simple Version

200 – The Happy Response

When you hit an API and get a 200, it’s like a waiter saying, “All good, here’s your order.” The server processed your request, found what you asked for, and sent it back without any hiccups.

401 – The “You’re Not Allowed” Alert

A 401 means the server saw your request but decided you’re not authorized. It’s like a security guard at a club saying, “You need a ticket.” You usually need to log in or provide a valid token to get past this check.

500 – The Server’s Broken Plate

A 500 is the server’s way of saying, “Oops, something went wrong on our end.” It’s not about your request; the server itself crashed or ran into an unexpected error, so you can’t get the data right now.

Quick Takeaway

  • 200 = Success, everything’s fine.
  • 401 = Unauthorized, you need proper credentials.
  • 500 = Server error, the problem is on the server side.