HTTP response status codes

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HTTP status codes are essential for communication between the client-side and server-side components of your application.

HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes:

Informational responses (100 – 199)

Successful responses (200 – 299)

Redirection messages (300 – 399)

Client error responses (400 – 499)

Server error responses (500 – 599)

Informational responses (100 – 199)

Successful responses (200 – 299)

Redirection messages (300 – 399)

Client error responses (400 – 499)

Server error responses (500 – 599)