HTTP 100 Continue vs 202 Accepted
HTTP 100 (Continue) is a 1xx Informational response, while 202 (Accepted) is a 2xx Success response. 100 indicates that the server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected. In contrast, 202 means 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.
Descrição
The server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected.
Quando você o vê
When a client sends an Expect: 100-continue header, the server responds with 100 before the client sends the body.
Como corrigir
This is an interim response — no fix needed. The client should continue sending the request body.
Descrição
The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
Quando você o vê
For async operations like batch jobs, email sending, or background tasks that take time to complete.
Como corrigir
Poll the provided status URL or wait for a callback/webhook.
Diferenças principais
100 is a 1xx Informational response, while 202 is a 2xx Success response.
HTTP 100: The server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected.
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.
You encounter 100 when when a client sends an Expect: 100-continue header, the server responds with 100 before the client sends the body.
You encounter 202 when for async operations like batch jobs, email sending, or background tasks that take time to complete.
Quando usar qual
For 100 (Continue): This is an interim response — no fix needed. The client should continue sending the request body. For 202 (Accepted): Poll the provided status URL or wait for a callback/webhook.