curl --request GET \
  --url https://api.rootfi.dev/v4/payments/items \
  --header 'api_key: <api-key>'

{
  "data": [
    {
      "rootfi_id": 4001,
      "rootfi_deleted_at": null,
      "rootfi_created_at": "2025-01-01T00:00:00Z",
      "rootfi_updated_at": "2025-01-15T10:00:00Z",
      "rootfi_company_id": 999,
      "platform_id": "prod_stripe_001",
      "name": "Premium Plan",
      "description": "Full access to all premium features",
      "sku": "PREM-001",
      "price": 99.99,
      "currency_id": "USD",
      "type": "service",
      "status": "active",
      "created_at": "2025-01-01T00:00:00Z",
      "updated_at": "2025-01-15T10:00:00Z",
      "variants": [
        {
          "rootfi_id": 4101,
          "platform_id": "var_stripe_001",
          "name": "Monthly",
          "sku": "PREM-001-MO",
          "price": 99.99,
          "attributes": {
            "billing_period": "month"
          }
        },
        {
          "rootfi_id": 4102,
          "platform_id": "var_stripe_002",
          "name": "Annual",
          "sku": "PREM-001-YR",
          "price": 999.99,
          "attributes": {
            "billing_period": "year"
          }
        }
      ]
    }
  ],
  "prev": "eyJyb290ZmlfaWQiOjQ0MDA2MX0=",
  "next": "eyJyb291ZmlfaWQiOjQ0MDA2MX0=",
  "total_count": 123
}