I submitted an update to my app on google play for review and it got rejected with the message saying: We found an issue in the following area(s): HTTP requests
I inspected all APIs and one API returned with a response code 500. My question is that does google monitor all APIs response codes during review? I couldn't find anything specific from the pre-launch reports and so this is the only area I think google could have rejected the app for since a previous version is live on the play store. App rejection screenshot
I have added the rejection screenshot.