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

curl -i -X POST 'http://localhost:3080/v2/projects/fb65405c-5698-4712-8a79-68c79991e05c/snapshots' -d '{"name": "snap1"}'

POST /v2/projects/fb65405c-5698-4712-8a79-68c79991e05c/snapshots HTTP/1.1
{
    "name": "snap1"
}


HTTP/1.1 201
Connection: close
Content-Length: 170
Content-Type: application/json
Date: Thu, 07 Jun 2018 08:14:22 GMT
Server: Python/3.6 GNS3/2.1.7dev1
X-Route: /v2/projects/{project_id}/snapshots

{
    "created_at": 1528359262,
    "name": "snap1",
    "project_id": "fb65405c-5698-4712-8a79-68c79991e05c",
    "snapshot_id": "07cd311f-4591-453f-8cd7-af24ed4b524e"
}