curl --request POST \
  --url https://www.signalark.app/_api/v1/signals/ingest \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "signals": [
    {
      "company_name": "<string>",
      "signal_name": "<string>",
      "source": "funding",
      "company_domain": "<string>",
      "description": "<string>",
      "source_url": "<string>",
      "detected_at": "2023-11-07T05:31:56Z"
    }
  ]
}
'

{
  "success": true,
  "batchId": "<string>",
  "stats": {
    "accepted": 123,
    "deduplicated": 123,
    "rejected": 123
  }
}