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HTTP Status Codes

Browse, filter, and search every standard HTTP status code (1xx–5xx). Each code includes a short description, when-to-use guidance, and real-world examples.

Features

Frequently Asked Questions

How many status codes are included?
All standard codes across 1xx, 2xx, 3xx, 4xx, and 5xx categories — approximately 60 codes, including modern ones like 103 Early Hints, 421 Misdirected Request, and 451 Unavailable For Legal Reasons.
Can I filter by category?
Yes. Click 1xx, 2xx, 3xx, 4xx, or 5xx to show only codes in that range. You can also search by number, name, or keyword in the description.
What's the difference between 401 and 403?
401 Unauthorized means authentication is required or failed — the client hasn't identified itself. 403 Forbidden means the client is authenticated but not allowed to access this specific resource.