I've had some success by setting up a proxy in the ArcGISPro.exe.config file based off of the instructions that come with fiddler ( -Fiddler/Tasks/ConfigureDotNETApp ). I added the following snippet after the system.xml element in the config file and it allowed me to start intercepting more web calls than I was able to previously:
To download the Fiddler add-on, go to the Internet Explorer add-ons page. For more information about how to troubleshoot by using Fiddler and related tools, see the How to use fiddler and HTTP replay to have an offline copy of your site blog post and the Troubleshooting Authentication with Fiddler blog post.
ZERO MOSTEL: (As Tevye) A fiddler on the roof - sounds crazy, no? But in our little village of Anatevka, you might say every one of us is a fiddler on the roof, trying to scratch out a pleasant, simple tune without breaking his neck. It isn't easy. You may ask, why do we stay up there if it's so dangerous?
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