Media Type for Request Payloads
Requests that include a payload, such as PUT, PATCH and POST, must include a Content-type header to indicate the media type of the request body.
The following request updates the Integration Server license key file.
PATCH /admin/license HTTP/1.1
Host: host:port
Authorization: Basic <base64-encoded username:password>
Content-type: application/json
Accept: application/json
{
"licenseKeyFile" : "/user/sysAdmin/licenseKey.xml"
}