code: public static ApruveResponse<Payment> get(String paymentRequestId, String paymentId) {
  		return ApruveClient.getInstance().get(
  				getPaymentsPath(paymentRequestId) + paymentId, Payment.class);
  	}
docs: Fetches the Payment with the given ID from Apruve.
  
  @see <a
  href="https://www.apruve.com/doc/developers/rest-api/">https://www.apruve.com/doc/developers/rest-api/</a>
  @param paymentRequestId
  The ID of the PaymentRequest that owns the Payment
  @param paymentId
  The ID of the Payment
  @return Payment, or null if not found