Ever run into invisible "captcha"?

No captcha or I am human check box appears but when I try to place my order I get a "captcha score too low". Yes I have tried known good credit cards of mine and tried on multiple browsers and computers.
The business I order from is one that has worked fine for years and their hungerrush started doing this a few weeks ago consistently.
So what is the story with this invisible captcha and its claims? Anyone no the …

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