curl --request GET \
  --url https://api.avidoai.com/v0/documents/count-by-assignee \
  --header 'x-api-key: <api-key>' \
  --header 'x-application-id: <api-key>'

{
  "data": [
    {
      "assignee": "user_123456789",
      "count": 12
    }
  ]
}