100
Continue
InformationalThe server has received the request headers and the client should proceed to send the body.
Category: 1xx Informational Standard: RFC 9110 First Appeared: HTTP/1.1
What is 100 Continue?
HTTP 100 Continue is a 1xx status code. The server has received the request headers and the client should proceed to send the body.
Client Request
Server
Processing
Common Causes
The client sent an Expect header or an upgrade request
An intermediate step in a longer request/response exchange
A protocol negotiation is in progress
Ask AI Mentor about 100 Continue
Get instant help and explanation