curl --request GET \
  --url http://localhost:4000/api/datafeed/config

{
  "supported_resolutions": [
    "<string>"
  ],
  "supports_search": true,
  "supports_group_request": true,
  "supports_marks": true,
  "supports_timescale_marks": true,
  "supports_time": true,
  "exchanges": [
    {
      "value": "<string>",
      "name": "<string>",
      "desc": "<string>"
    }
  ]
}