curl --request POST \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/extractors/byids \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "externalId": "my.known.id"
    }
  ],
  "ignoreUnknownIds": true
}
'

{
  "items": [
    {
      "externalId": "my.known.id",
      "name": "<string>",
      "description": "<string>",
      "documentation": "<string>",
      "imageUrl": "<string>",
      "latestVersion": "<string>",
      "links": [
        {
          "name": "<string>",
          "url": "<string>"
        }
      ],
      "tags": [
        "<string>"
      ]
    }
  ]
}