action signl4_get_prepaid_balance {
  label: "Get your subscription's current prepaid balance."
  provider: signl4
  method: GET
  path: "/prepaid/balance"
  encoding: json
  output: {
    type: "object"
    properties: {
      balance: {
        type: "integer"
        format: "int32"
      }
      latestTopUp: {
        type: "string"
        format: "date-time"
      }
      pendingTransaction: {
        type: "boolean"
      }
    }
    additionalProperties: false
  }
}