This corporate and professional domain would be perfect for a crowdsourcing, finance or investment company.
The word "PayApex" contains seven letters and only two syllables. Two-syllable names are very rare and extremely sought after. Successful brands using two syllable names include Hilton, Subway and Gillette.
Payapex.com is a dot-com domain. Dot com domains are the most sought after top-level-domain in the world, famously used by websites like youtube.com. Once secured, a dot-com all but guarantees no-one else can outrank you for your own name in the long run.