HTTP 狀態碼
按類別瀏覽所有 HTTP 狀態碼及描述。
100
1xx
Continue
The server has received the request headers and the client should proceed to send the request body.
101
1xx
Switching Protocols
The requester has asked the server to switch protocols and the server has agreed to do so.
200
2xx
OK
The request has succeeded.
201
2xx
Created
The request has succeeded and a new resource has been created as a result.
202
2xx
Accepted
The request has been received but not yet acted upon.
204
2xx
No Content
The server successfully processed the request but is not returning any content.
206
2xx
Partial Content
The server is delivering only part of the resource due to a range header sent by the client.
301
3xx
Moved Permanently
The URL of the requested resource has been changed permanently. The new URL is given in the response.
302
3xx
Found
Tells the client to look at another URL. Temporary redirect.
303
3xx
See Other
The response can be found under a different URL using the GET method.
304
3xx
Not Modified
The resource has not been modified since last request. Cached version is still valid.
307
3xx
Temporary Redirect
Redirect to another URL, preserving request method. Temporary.
308
3xx
Permanent Redirect
Permanent redirect that preserves the request method.
400
4xx
Bad Request
The server could not understand the request due to invalid syntax.
401
4xx
Unauthorized
Authentication is required and has failed or has not yet been provided.
403
4xx
Forbidden
The client does not have access rights to the content.
404
4xx
Not Found
The server can not find the requested resource.
405
4xx
Method Not Allowed
The request method is known by the server but is not supported by the target resource.
408
4xx
Request Timeout
The server would like to shut down this unused connection.
409
4xx
Conflict
The request could not be completed due to a conflict with the current state of the resource.
410
4xx
Gone
Access to the target resource is no longer available and this condition is likely to be permanent.
413
4xx
Payload Too Large
The request entity is larger than the server is willing or able to process.
414
4xx
URI Too Long
The URI requested by the client is longer than the server is willing to interpret.
415
4xx
Unsupported Media Type
The media format of the request is not supported by the server.
422
4xx
Unprocessable Entity
The request was well-formed but was unable to be followed due to semantic errors.
429
4xx
Too Many Requests
The user has sent too many requests in a given amount of time (rate limiting).
500
5xx
Internal Server Error
The server has encountered a situation it does not know how to handle.
501
5xx
Not Implemented
The request method is not supported by the server and cannot be handled.
502
5xx
Bad Gateway
The server, while working as a gateway, received an invalid response from the upstream server.
503
5xx
Service Unavailable
The server is not ready to handle the request. Common causes: maintenance or overloaded.
504
5xx
Gateway Timeout
The server is acting as a gateway and cannot get a response in time.
505
5xx
HTTP Version Not Supported
The HTTP version used in the request is not supported by the server.
關於本工具
HTTP 狀態碼參考是一個查詢工具，涵蓋 HTTP 協定中定義的所有主要狀態碼，按類別組織。
代碼分為五類：1xx（資訊性）、2xx（成功）、3xx（重新導向）、4xx（用戶端錯誤）和 5xx（伺服器錯誤）。每個條目包含代碼編號、名稱和詳細描述。
使用方法
- 在搜尋框中輸入代碼編號、名稱或描述關鍵字。
- 使用類別篩選器僅顯示特定範圍的代碼。
- 在代碼卡片中查看狀態編號、名稱和描述。
- 找到所需代碼，用於 API 開發或偵錯。
使用情境
選擇 API 回應的正確狀態碼、偵錯 Web 伺服器錯誤、學習 HTTP 協定或撰寫 REST API 文件時使用。
常見問題
- 是否包含所有 HTTP 狀態碼？ — 是的，包含 RFC 7231 及相關標準中定義的所有主要代碼。
- 4xx 和 5xx 錯誤有什麼區別？ — 4xx 代碼表示用戶端錯誤（錯誤請求、未授權等）。5xx 代碼表示伺服器端錯誤（內部錯誤、過載等）。
- 301 和 302 有什麼區別？ — 301 是永久重新導向（URL 已永久更改）。302 是臨時重新導向。出於 SEO 目的，永久移動請使用 301。