PagSeguro

/**
     * Calls the PagSeguro web service and register this request for payment
     * 
     * @param credentials
     * @return The URL to where the user needs to be redirected to in order to complete the payment process
     * @throws PagSeguroServiceException
     */
    public URL register(Credentials credentials) throws PagSeguroServiceException {
        return PaymentService.doPayment(credentials, this);
    }