Which HTTP status codes should you know?
Model answer
200 OK, 201 Created, 204 No Content, 400 Bad Request (invalid input), 401 Unauthorized (not signed in), 403 Forbidden (signed in but not allowed), 404 Not Found, 409 Conflict, 422 Unprocessable Entity, 429 Too Many Requests, and 500 Internal Server Error. Using the right code helps clients react correctly.
Learn this topic
Build a REST API: Create, Read, Update and Delete Tasks in the course Node.js and Express: Build a Back End API from Scratch.
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