HTTP

HTTP 200 OK vs 401 Unauthorized

HTTP 200 (OK) is a 2xx Success response, while 401 (Unauthorized) is a 4xx Client Error response. 200 indicates that the request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only. In contrast, 401 means that the request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.

Mô tả

The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.

Khi bạn thấy mã này

The most common HTTP response — indicates the request was processed successfully.

Cách khắc phục

No fix needed. The request succeeded as expected.

Mô tả

The request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.

Khi bạn thấy mã này

When accessing a protected resource without credentials or with expired tokens.

Cách khắc phục

Include valid authentication credentials (API key, Bearer token, Basic auth) in the Authorization header.

Sự khác biệt chính

1.

200 is a 2xx Success response, while 401 is a 4xx Client Error response.

2.

HTTP 200: The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.

3.

HTTP 401: The request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.

4.

You encounter 200 when the most common HTTP response — indicates the request was processed successfully.

5.

You encounter 401 when when accessing a protected resource without credentials or with expired tokens.

Khi nào dùng cái nào

For 200 (OK): No fix needed. The request succeeded as expected. For 401 (Unauthorized): Include valid authentication credentials (API key, Bearer token, Basic auth) in the Authorization header.

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