gns3-server/docs/api/examples/put_projectuuid.txt

curl -i -X PUT 'http://localhost:8000/project/{uuid}' -d '{"temporary": false}'

PUT /project/{uuid} HTTP/1.1
{
    "temporary": false
}


HTTP/1.1 200
CONNECTION: keep-alive
CONTENT-LENGTH: 158
CONTENT-TYPE: application/json
DATE: Thu, 08 Jan 2015 16:09:15 GMT
SERVER: Python/3.4 GNS3/1.3.dev1
X-ROUTE: /project/{uuid}

{
    "location": "/var/folders/3s/r2wbv07n7wg4vrsn874lmxxh0000gn/T/tmpf9hmfoxi",
    "temporary": false,
    "uuid": "6cc80657-e8f3-445b-8c1a-e2081ac7d042"
}