JPMorgan Chase has secured deals ensuring it will get paid by the fintech firms responsible for nearly all the data requests made by third-party apps connected to customer bank accounts, CNBC has learned. The bank has signed updated contracts with fintech middlemen that make up more than 95% of the data pulls on its systems, including Plaid , Yodlee, Morningstar and Akoya, according to JPMorgan spokesman Drew Pusateri. "We've come to agreements that will make the open banking ecosystem safer