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

curl -i -X POST 'http://localhost:3080/v2/projects/c9112400-8166-4eac-99dd-069ce94ed0f9/links' -d '{"nodes": [{"adapter_number": 0, "label": {"text": "Text", "x": 42, "y": 0}, "node_id": "dacc5bd7-7738-483a-a644-cc7dc69705b3", "port_number": 3}, {"adapter_number": 2, "node_id": "b910eb40-b1b1-4b38-ab8f-61f096d54bb3", "port_number": 4}]}'

POST /v2/projects/c9112400-8166-4eac-99dd-069ce94ed0f9/links HTTP/1.1
{
    "nodes": [
        {
            "adapter_number": 0,
            "label": {
                "text": "Text",
                "x": 42,
                "y": 0
            },
            "node_id": "dacc5bd7-7738-483a-a644-cc7dc69705b3",
            "port_number": 3
        },
        {
            "adapter_number": 2,
            "node_id": "b910eb40-b1b1-4b38-ab8f-61f096d54bb3",
            "port_number": 4
        }
    ]
}


HTTP/1.1 201
Content-Length: 875
Content-Type: application/json
Date: Tue, 27 Sep 2016 10:01:17 GMT
Server: Python/3.5 GNS3/2.0.0dev1
X-Route: /v2/projects/{project_id}/links

{
    "capture_file_name": null,
    "capture_file_path": null,
    "capturing": false,
    "link_id": "76b7527f-96e7-4c0d-bcc7-98003f44634b",
    "link_type": "ethernet",
    "nodes": [
        {
            "adapter_number": 0,
            "label": {
                "text": "Text",
                "x": 42,
                "y": 0
            },
            "node_id": "dacc5bd7-7738-483a-a644-cc7dc69705b3",
            "port_number": 3
        },
        {
            "adapter_number": 2,
            "label": {
                "rotation": 0,
                "style": "font-size: 10; font-style: Verdana",
                "text": "2/4",
                "x": -10,
                "y": -10
            },
            "node_id": "b910eb40-b1b1-4b38-ab8f-61f096d54bb3",
            "port_number": 4
        }
    ],
    "project_id": "c9112400-8166-4eac-99dd-069ce94ed0f9"
}