Convert Microsoft Spreadsheet to PDF with Aspose.Cells REST API throwing occasional 502 Bad Gateway error

We are receiving occasional 502 Bad Gateway errors when making requests to

http://api.aspose.com/v1.1/cells/FILENAME.xlsx/saveAs?

Example:
http://api.aspose.com/v1.1/cells/TrainingRoster-TBT1909-3607000-02-27-2019_5465282.xlsx/saveAs?newfilename=TrainingRoster-TBT1909-3607000-02-27-2019_5465282.pdf&appSID=xxxxx&signature=xxxxx

Response:

<html><head><title>502 Bad Gateway</title></head><body bgcolor="white"><center><h1>502 Bad Gateway</h1></center></body></html>

@jsali

We are sorry for your inconvenience. We have investigated the issue and found the root cause. It is not a bug in aspose.cells cloud API but something in the AWS environment that intermittently effecting the API calls. We are working on it as high priority and will notify you as soon as it is resolved.