HTTP 202 Accepted vs 401 Unauthorized
HTTP 202 (Accepted) is a 2xx Success response, while 401 (Unauthorized) is a 4xx Client Error response. 202 indicates that the request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon. In contrast, 401 means that the request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.
描述
The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
何时出现
For async operations like batch jobs, email sending, or background tasks that take time to complete.
如何修复
Poll the provided status URL or wait for a callback/webhook.
描述
The request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.
何时出现
When accessing a protected resource without credentials or with expired tokens.
如何修复
Include valid authentication credentials (API key, Bearer token, Basic auth) in the Authorization header.
主要区别
202 is a 2xx Success response, while 401 is a 4xx Client Error response.
HTTP 202: The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
HTTP 401: The request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.
You encounter 202 when for async operations like batch jobs, email sending, or background tasks that take time to complete.
You encounter 401 when when accessing a protected resource without credentials or with expired tokens.
何时使用哪个
For 202 (Accepted): Poll the provided status URL or wait for a callback/webhook. For 401 (Unauthorized): Include valid authentication credentials (API key, Bearer token, Basic auth) in the Authorization header.