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.
Description
The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
Quand vous le voyez
For async operations like batch jobs, email sending, or background tasks that take time to complete.
Comment résoudre
Poll the provided status URL or wait for a callback/webhook.
Description
The request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.
Quand vous le voyez
When accessing a protected resource without credentials or with expired tokens.
Comment résoudre
Include valid authentication credentials (API key, Bearer token, Basic auth) in the Authorization header.
Différences clés
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.
Quand utiliser lequel
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.