Returns a list of PSC search tree nodes, with populated children if depth > 0.

Documentation for this endpoint can be found here.

GET /api/v2/references/filter_tree/psc/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Cache-Trace: no-cache
Content-Type: application/json
Vary: Accept

{
    "results": [
        {
            "id": "Research and Development",
            "ancestors": [],
            "description": "",
            "count": 815,
            "children": null
        },
        {
            "id": "Service",
            "ancestors": [],
            "description": "",
            "count": 2017,
            "children": null
        },
        {
            "id": "Product",
            "ancestors": [],
            "description": "",
            "count": 687,
            "children": null
        }
    ]
}