curl --request GET \
  --url https://api.metal.ai/v1/activities \
  --header 'x-metal-api-key: <api-key>' \
  --header 'x-metal-client-id: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "subject": "Intro call with management",
      "type": "Meeting",
      "startedAt": "2023-11-07T05:31:56Z",
      "endedAt": "2023-11-07T05:31:56Z",
      "participants": [
        {
          "id": "<string>",
          "type": "<string>"
        }
      ],
      "deals": [
        "<string>"
      ],
      "relatedResources": [
        {
          "id": "<string>",
          "type": "<string>"
        }
      ],
      "externalReference": {
        "source": "<string>",
        "id": "<string>"
      },
      "isPrivate": true,
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z"
    }
  ]
}