curl --request POST \
  --url https://api.bigdata.com/v1/events-calendar/query \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "rp_entity_id": [
    "D8442A"
  ],
  "start_date": "2024-12-01",
  "end_date": "2025-10-10",
  "category": [
    "earnings-call",
    "conference-call"
  ]
}'

{
  "result": {
    "D8442A": [
      {
        "category": "earnings-call",
        "event_datetime": "2025-10-30T20:00:00.000Z",
        "title": "Q4 2025",
        "fiscal_year": 2025,
        "fiscal_period": "Q4",
        "rp_collection_id": "ec20d8d5be6bb74bc70e48c586c147cb",
        "updated_at": "2025-07-30T19:12:10.000Z",
        "created_at": "2025-07-30T19:12:10.000Z"
      }
    ]
  }
}