It's so hard to find quality data in crypto. Having both depth and breadth in one API means you can build and analyze way faster.
If you're doing research, making investment decisions or building products for investors, you should check this out.
The ETP angle is particularly interesting to me. Imagine issuers like
@21shares or
@Bitwise showing the fundamentals behind tokens to the TradFi crowd: revenue, usage, valuations, etc. So much more useful than just price or market cap charts.