Very High Code 403 Failure Rate

I have a number of scripts that pull Advanced Lists or Calendar events. Recently, those calls have frequently -- but not always -- returned code 403 (No response). For example, last night there were 30 failed calls out of 130 for users' calendar feed data. I'm also seeing a lot of failed calls for Advanced List data. Is there something I can do to make these scripts reliable once again?
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  • Bryna Gleich
    Bryna Gleich Blackbaud Employee
    Tenth Anniversary Kudos 3 Name Dropper Participant
    Hello!


    There are multiple possible causes for this. I'd recommend starting a Customer Support case/ticket. Then we can get some details specific to your scripts and how/when they're run to help troubleshoot it. 


    Thanks,

    Bryna Gleich

    Technical Writer

     
  • According to the documentation, 403 means "The request failed because the user in whose context the API is being called either does not have permission to perform the operation itself, or does not have permission to access the data being requested." That should never be the case for calendar feeds. My calls for Advanced Lists are from an account with the role of Web Services API Manager.


    My scripts are Google Apps Scripts use the UrlFetchApp.fetch(url) method for requesting data. What seems most odd is that this method works most, but not all of the time and that the error rate has increased markedly in the last couple of weeks. Has something changed?


    Ced