curl --request GET \
  --url https://{host}/frontend/api/v1/billing/plan \
  --header 'Authorization: Bearer <token>'

{
  "plans": [
    {
      "active": true,
      "amount": {
        "fixed": 123,
        "max": 123,
        "min": 123,
        "preset": 123,
        "tiers": [
          123
        ]
      },
      "created": "2023-11-07T05:31:56Z",
      "description": "<string>",
      "details": {},
      "id": "<string>",
      "name": "<string>"
    }
  ]
}