Accept
Media types the client can handle in the response.
Request header (sent by clients) content
How it works
The server picks the best match or returns 406. APIs often accept */* and return JSON.
Example
Accept: application/json
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-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-Length
Body size in bytes.
Content-Range
Which bytes of the full resource this partial body holds.