curl --request GET \
  --url https://api.example.com/api/v1/billing/plans \
  --header 'X-API-Key: <api-key>'

{
  "plans": [
    {
      "plan_key": "<string>",
      "base_price_amount": 0,
      "base_price_currency": "usd",
      "base_price_id": "<string>",
      "features": "",
      "included_seats": 123,
      "max_org_connections": 123,
      "max_repos": 123,
      "seat_addon_amount": 0,
      "seat_addon_currency": "usd",
      "seat_addon_price_id": "<string>"
    }
  ],
  "stripe_enabled": true
}