5. Status Codes

Discover the significance of HTTP status codes in indicating the outcome of API requests. Explore common status codes, such as 200 OK, 201 Created, 400 Bad Request, 404 Not Found, and more. Learn when and how to use different status codes to provide meaningful information to clients.

HTTP status codes provide information about the outcome of a request. Some common codes include:

  • 200 OK: Successful GET request.
  • 201 Created: Successful POST request.
  • 400 Bad Request: Invalid request or input.
  • 401 Unauthorized: Authentication required or failed.
  • 404 Not Found: Requested resource doesn't exist.
  • 500 Internal Server Error: Server encountered an error.