curl --request GET \
  --url https://api.vantage.sh/v2/canvases \
  --header 'Authorization: Bearer <token>'

{
  "canvases": [
    {
      "token": "cnvs_abcd1234567890",
      "title": "Weekly Spend by Team",
      "prompt": "<string>",
      "saved": true,
      "workspace_token": "wrkspc_abcd1234567890",
      "created_at": "2024-01-01T00:00:00Z",
      "updated_at": "2024-01-01T00:00:00Z",
      "data": {}
    }
  ],
  "links": {
    "self": "<string>",
    "first": "<string>",
    "next": "<string>",
    "last": "<string>",
    "prev": "<string>"
  }
}