curl --request GET \
  --url https://api.metronome.com/v1/plans \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "94293d66-aa05-4a8e-881a-c90872047b67",
      "name": "Standard",
      "description": "Standard self-serve plan",
      "custom_fields": {
        "x_account_id": "KyVnHhSBWl7eY2bl"
      }
    },
    {
      "id": "d2c06dae-9549-4d7d-bc04-b78dd3d241b8",
      "name": "Aperture, Inc.",
      "description": "Custom enterprise plan for Aperture with ramped minimums",
      "custom_fields": {
        "x_account_id": "KyVnHhSBWl7eY2byd"
      }
    }
  ],
  "next_page": null
}