curl --request POST \
  --url https://app.herondata.io/api/end_users \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "end_user": {
    "end_user_id": "f326175c-f679-4cae-8c23-60232ca99c20",
    "is_portfolio": true,
    "name": "Company Name Inc.",
    "profit_and_loss_layout": "<any>"
  }
}'

{
  "end_user": {
    "confidence": 0.42,
    "created": "2025-09-06T06:17:33.420767",
    "criteria": [
      {
        "context": "higher_is_better",
        "currency": "<string>",
        "date_range": "last_180_days",
        "description": "The number of unique transactions with a timestamp",
        "group": "data_quality",
        "label": "unique_transactions",
        "status": "not_available",
        "unit": "n",
        "value": "<any>"
      }
    ],
    "data_sources": [
      {
        "status": "new",
        "type": "pdf"
      }
    ],
    "end_user_id": "f326175c-f679-4cae-8c23-60232ca99c20",
    "heron_id": "eus_M42zHXoKF9wQrWtjCpgZDj",
    "is_portfolio": true,
    "last_processed_at": "2025-10-18T06:17:33.421005",
    "last_updated": "2025-10-18T06:17:33.420799",
    "name": "Company Name Inc.",
    "profit_and_loss_layout": "<any>",
    "status": "ready"
  }
}