curl --request GET \
  --url https://api.cal.com/v2/event-types/{eventTypeId}/history \
  --header 'Authorization: <authorization>' \
  --header 'cal-api-version: <cal-api-version>'

{
  "status": "success",
  "data": {
    "eventTypeId": 123,
    "auditLogs": [
      {
        "id": "018f4c2e-3f1a-7abc-9def-0123456789ab",
        "action": "EVENT_TYPE_MODIFIED",
        "type": "RECORD_MODIFIED",
        "timestamp": "2026-01-01T00:00:00.000Z",
        "source": "WEBAPP",
        "actor": {
          "type": "USER",
          "displayName": "Ada Lovelace",
          "displayEmail": "ada@example.com",
          "displayAvatar": "https://example.com/avatar.png"
        },
        "impersonatedBy": {
          "displayName": "Grace Hopper",
          "displayEmail": "grace@example.com",
          "displayAvatar": "https://example.com/avatar.png"
        },
        "actionDisplayTitle": "Ada Lovelace modified the event type",
        "displayFields": [
          {
            "label": "Duration",
            "fieldValue": {
              "type": "rawValue",
              "value": "enabled"
            }
          }
        ],
        "displayJson": {},
        "hasError": false
      }
    ]
  },
  "pagination": {
    "nextCursor": "eyJjcmVhdGVkQXQiOiIyMDI2LTAxLTAxVDAwOjAwOjAwLjAwMFoiLCJpZCI6IjAxSFgifQ",
    "hasMore": false
  }
}