POST data to any endpoint via REST API

curl -v -X POST -u "user:password" --header "Content-Type: application/json" 'http://<host>:<port>/<endpoint>' -d @test.json

You can change the Content-Type based on your required type and supported by endpoint.

Type application 

================

application/javascript

application/octet-stream

application/ogg

application/pdf

application/xhtml+xml

application/x-shockwave-flash

application/json

application/ld+json

application/xml

application/zip

Type Audio

==========

audio/mpeg

audio/x-ms-wma

audio/vnd.rn-realaudio

audio/x-wav

Type image

==========

image/gif

image/jpeg

image/png

image/tiff

image/vnd.microsoft.icon

image/x-icon

image/vnd.djvu

image/svg+xml