curl --request GET \
  --url https://api.attio.com/v2/objects \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": {
        "workspace_id": "14beef7a-99f7-4534-a87e-70b564330a4c",
        "object_id": "97052eb9-e65e-443f-a297-f2d9a4a7f795"
      },
      "api_slug": "people",
      "singular_noun": "Person",
      "plural_noun": "People",
      "created_at": "2022-11-21T13:22:49.061281000Z"
    }
  ]
}