HTTP 100 Continue

The server received the request headers and the client should send the body.

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Code
100
Name
Continue
Category
1xx โ€” Informational

How to fix / what to check

Normal when a client sends "Expect: 100-continue" (e.g. curl uploading large bodies). No action needed.

See the status code yourself

curl -sS -o /dev/null -w '%{http_code}\n' https://example.com/path

Add -v to see the full request and response headers.

โ† All HTTP status codes