100 Continue
The initial part of a request has been received and the client should continue with the request.
The server has received the request headers and the client should proceed to send the request body.
What HTTP 100 Continue Means
The server has received the request headers and the client should proceed to send the request body.
The initial part of a request has been received and the client should continue with the request.
Common Causes
- Request has Expect: 100-continue header
- Server agrees to receive request body
What Visitors Should Do
- This is not an error - continue sending the request
Notes for Developers
- Handle 100 Continue responses in HTTP client
- Continue sending request body after receiving this status
Frequently Asked Questions
What does HTTP 100 Continue mean?
The initial part of a request has been received and the client should continue with the request. In short: The server has received the request headers and the client should proceed to send the request body.
How should I handle an HTTP 100 Continue response?
Handle 100 Continue responses in HTTP client. Continue sending request body after receiving this status.
Official Specification
The 100 Continue status code is defined in RFC 9110 Section 15.2.1.