curl -i -X GET 'http://localhost:3080/v2/version'

GET /v2/version HTTP/1.1



HTTP/1.1 200
Content-Length: 49
Content-Type: application/json
Date: Thu, 20 Oct 2016 08:52:58 GMT
Server: Python/3.5 GNS3/2.0.0dev2
X-Route: /v2/version

{
    "local": true,
    "version": "2.0.0dev2"
}