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
Content-Length: 379
Content-Type: application/json
Date: Thu, 20 Oct 2016 08:52:53 GMT
Server: Python/3.5 GNS3/2.0.0dev2
X-Route: /v2/projects

{
    "auto_close": true,
    "auto_open": false,
    "auto_start": false,
    "filename": "test.gns3",
    "name": "test",
    "path": "/var/folders/3s/r2wbv07n7wg4vrsn874lmxxh0000gn/T/tmpdk0ep3f4/projects/10010203-0405-0607-0809-0a0b0c0d0e0f",
    "project_id": "10010203-0405-0607-0809-0a0b0c0d0e0f",
    "scene_height": 1000,
    "scene_width": 2000,
    "status": "opened"
}