curl --request GET \
  --url https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/imported-from \
  --header 'x-api-key: <api-key>'

{
  "success": true,
  "error": "<string>",
  "data": [
    {
      "id": 123,
      "category": "<string>",
      "importedFrom": "<string>"
    }
  ]
}