public function listPayments($userId, $monetaryAccountId)
    {
        $payments = $this->client->get($this->getResourceEndpoint($userId, $monetaryAccountId));
        foreach ($payments['Response'] as $key => $payment) {
            $payments['Response'][$key]['Payment']['amount']['value'] = $this->floatToCents($payment['Payment']['amount']['value']);
        }

        return $payments;
    }