curl --request GET \
  --url https://api.getlago.com/api/v1/subscriptions/{external_id}/charges/{charge_code}/filters \
  --header 'Authorization: Bearer <token>'

{
  "filters": [
    {
      "lago_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
      "charge_code": "api_requests_charge",
      "invoice_display_name": "AWS",
      "properties": {
        "grouped_by": [
          "agent_name"
        ],
        "pricing_group_keys": [
          "agent_name"
        ],
        "graduated_ranges": [
          {
            "from_value": 0,
            "to_value": 10,
            "flat_amount": "10",
            "per_unit_amount": "0.5"
          }
        ],
        "graduated_percentage_ranges": [
          {
            "from_value": 0,
            "to_value": 10,
            "rate": "1",
            "flat_amount": "10"
          }
        ],
        "amount": "30",
        "free_units": 100,
        "package_size": 1000,
        "rate": "1",
        "fixed_amount": "0.5",
        "free_units_per_events": 5,
        "free_units_per_total_aggregation": "500",
        "per_transaction_max_amount": "3.75",
        "per_transaction_min_amount": "1.75",
        "volume_ranges": [
          {
            "from_value": 0,
            "to_value": 10,
            "flat_amount": "10",
            "per_unit_amount": "0.5"
          }
        ]
      },
      "values": {
        "region": [
          "us-east-1"
        ]
      }
    }
  ],
  "meta": {
    "current_page": 2,
    "total_pages": 4,
    "total_count": 70,
    "next_page": 3,
    "prev_page": 1
  }
}