100
HTTP 100 Continue
1xx Informational
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Tailwind
1xx Informational
RFC 7231, Section 6.2.1
What is HTTP 100 Continue?
The 100 (Continue) status code indicates that the initial part of a request has been received and has not yet been rejected by the server. The client should continue by sending the remainder of the request. If the request has already been completed, the client can ignore this response. This mechanism allows clients to avoid sending large request bodies when the server is likely to reject the request based on headers alone.
Common Use Cases
- Large file uploads where client wants to confirm acceptance before sending data
- API endpoints that validate headers before processing body