B2B payments can thrive in the uncertain regulatory environment with the help of APIs, says Become's Eden Amirav.

Intuit has agreed to buy Credit Karma for $7.1 billion. The move is seen as a way for Intuit to get access to more consumer behavior data, generate new sources of income and potentially protect a key business.

Tech firm accuses PNC of stealing trade secrets; online lender LendingClub agrees to acquire Radius Bank; questions arise whether regulators are turning more partisan; and more from this week's most-read stories.

The heads of the two companies explain how the deal came about, what hurdles they face and how they plan to mash up their very different operations.

Under the partnership with Fundation, Fifth Third will offer loans and credit lines up to $100,000 that can be funded in as little as a day.

Akoya has been building a data-sharing network that gives fintechs access to bank account data through application programming interfaces as an alternative to screen scraping. JPMorgan Chase, Bank of America and Capital One are among its new owners.

LendingClub and Varo Money are making inroads into the traditional financial system, but other fintechs still face long odds.

Some institutions say the combination of chatbots and social media could entice new borrowers, but burdensome legacy systems may limit their effectiveness.

The challenge for other fintechs will be to find banks that are as compatible as Radius Bank, an online-only lender, is for LendingClub.

The move comes as the fintech tries to shake off criticism that its main products are payday loans by another name.