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

curl -i -X POST 'http://localhost:3080/v2/projects/40536e06-c138-4cb1-8202-ae562227bfc3/snapshots' -d '{"name": "snap1"}'

POST /v2/projects/40536e06-c138-4cb1-8202-ae562227bfc3/snapshots HTTP/1.1
{
    "name": "snap1"
}


HTTP/1.1 201
CONTENT-LENGTH: 170
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/{project_id}/snapshots

{
    "created_at": 1471255682,
    "name": "snap1",
    "project_id": "40536e06-c138-4cb1-8202-ae562227bfc3",
    "snapshot_id": "74e0d54a-84c5-4cda-99ee-86acb1f6dcca"
}