HTTP Status code

❌ 4xx – Client Errors

The request contains bad syntax or cannot be fulfilled.

• 400 Bad Request: The server couldn’t understand the request due to invalid syntax.
• 401 Unauthorized: Authentication is required and has failed or not been provided.
• 403 Forbidden: The server understood the request but refuses to authorize it.
• 404 Not Found: The requested resource could not be found.
• 429 Too Many Requests: The user has sent too many requests in a given amount of time.