```ruby
module QuadrigaCX
  module Private
    # List all account balances
    #
    def balance(params={})
      request(:post, '/balance', params)
    end
  end
end
```

Remove empty hash param from balance method
user
```ruby
module QuadrigaCX
  module Private
    # List all account balances
    #
    def balance
      request(:post, '/balance')
    end
  end
end
```
assistant