They may well be, as most rack servers are painted black. But that doesn’t stop you reading all the documentation just like the rest of us have.
Can you put in a webhook that points to: http://datacache.co.uk/pietrodelamancha/UplinkToTab.php which is based on this: GitHub - descartes/TheThingsStack-Integration-Starters: Starter / Template code for various The Things Stack (v3) integrations. Please just turn on uplinks. It will provide another capture source that I find rather reliable.
PS, this would help too: How do I format my forum post? [HowTo]