Totle has a mission to optimize exchange of value on the blockchain through increasing liquidity. The company has launched a platform that acts as an aggregation of decentralized exchanges in order to accomplish this goal. Once a wallet or app is integrated, there is a single POC for all exchanges.
Our API directory now includes 180 finance APIs. The newest is the TTAGG Stock API. The most popular, in terms of mashups, is the PayPal API. We list 33 PayPal mashups. Below you'll find some more stats from the directory, including the entire list of finance APIs.