We have an index, it's just not very big, yet. We had a major setback last month with a bug (for less than 24h, the crawler didn't respect robots.txt) and had to delete it entirely, and have been slowly rebuilding it.

You're correct the commercial use is only not allowed before the AGPL comes into play.

You should be able to click on the "top up" link (top or bottom) and see an option for a captcha ("click to prove you're a human"). If you don't, reach out via email (don't share your account number) and I'll give you a voucher for a couple of days.