Content-Length
Body size in bytes.
Request and response header content
How it works
Lets the receiver know when the body ends.
Example
Content-Length: 348
See it live: send any request in Endpoint Client and open the Headers tab, where every response header is explained. Specification: RFC 9110.
Related headers
Accept
Media types the client can handle in the response.
Accept-Encoding
Compression formats the client understands.
Accept-Language
Preferred human languages for the response.
Content-Disposition
Whether to display the body inline or download it, and the file name.
Content-Encoding
Compression applied to the body.
Content-Range
Which bytes of the full resource this partial body holds.