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

curl -i -X POST 'http://localhost:3080/v2/projects' -d '{"name": "test", "project_id": "10010203-0405-0607-0809-0a0b0c0d0e0f"}'

POST /v2/projects HTTP/1.1
{
    "name": "test",
    "project_id": "10010203-0405-0607-0809-0a0b0c0d0e0f"
}


HTTP/1.1 201
ACCESS-CONTROL-ALLOW-ORIGIN: *
CONTENT-LENGTH: 122
CONTENT-TYPE: application/json
DATE: Thu, 08 Jan 2015 16:09:15 GMT
SERVER: Python/3.5 GNS3/2.0.0dev1
X-ROUTE: /v2/projects

{
    "name": "test",
    "path": null,
    "project_id": "10010203-0405-0607-0809-0a0b0c0d0e0f",
    "temporary": false
}