I'm not against that model (actually like it), but it isn't at all clear to me from the blog post or the main page.
[0]: https://about.modeanalytics.com/tos/ under "4. Financial Terms"
"The public function is available free of charge for public use and allows you only to view information other Mode users disclose using the public function. When you use the public function, you may disclose or upload Your Content using only the public function. "