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

{
  "data": [
    {
      "meter_id": "<string>",
      "meter_secret": "<string>",
      "name": "<string>",
      "rate_type": "fixed",
      "token_basis": "input+output",
      "base_cost_payer": "merchant",
      "service_charge_payer": "merchant",
      "tiers": [
        {
          "start": 123,
          "rate": "<string>",
          "type": "tokens_1m"
        }
      ],
      "created_at": "2023-11-07T05:31:56Z"
    }
  ],
  "has_more": true,
  "next_cursor": "<string>"
}