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.
Mô tả
The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
Khi bạn thấy mã này
For async operations like batch jobs, email sending, or background tasks that take time to complete.
Cách khắc phục
Poll the provided status URL or wait for a callback/webhook.
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
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.
Khi nào dùng cái nào
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.