HTTP 202 Accepted vs 501 Not Implemented
HTTP 202 (Accepted) is a 2xx Success response, while 501 (Not Implemented) is a 5xx Server 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, 501 means that the server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
Описание
The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
Когда вы это видите
For async operations like batch jobs, email sending, or background tasks that take time to complete.
Как исправить
Poll the provided status URL or wait for a callback/webhook.
Описание
The server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
Когда вы это видите
When using an HTTP method (like PATCH) that the server doesn't support.
Как исправить
Use a different HTTP method that the server supports. Check server documentation.
Ключевые различия
202 is a 2xx Success response, while 501 is a 5xx Server 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 501: The server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
You encounter 202 when for async operations like batch jobs, email sending, or background tasks that take time to complete.
You encounter 501 when when using an HTTP method (like PATCH) that the server doesn't support.
Когда что использовать
For 202 (Accepted): Poll the provided status URL or wait for a callback/webhook. For 501 (Not Implemented): Use a different HTTP method that the server supports. Check server documentation.