code: public static ApruveResponse<PaymentRequest> get(String paymentRequestId) {
  		return ApruveClient.getInstance().get(
  				PAYMENT_REQUESTS_PATH + paymentRequestId, PaymentRequest.class);
  	}
docs: Fetches the PaymentRequest 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
  @return PaymentRequest, or null if not found