The startup, dubbed Affirm, has announced the commercial release of 'Split Pay', which does away with inflexible credit scoring and enables online shoppers to make a purchase and pay across multiple months with financing fees a fraction of credit card interest rates.

"Consumers want and need an easy-to-use alternative to credit cards when they're shopping online, especially underserved populations like Millennials, enthusiasts, and the vast population of debit card users," says Levchin. "Consumer financing has been available to the largest online and many brick and mortar merchants for years. We're now bringing this powerful financing to all online merchants, large and small."

Started in 2012, Levchin has recruited a stellar line up of executives to run the business, including Nathan Gettings, co-founder of big data mining company Palantir and Jeff Kaditz, formerly chief data officer of gaming company, ngmoco. The business has so far attracted $45 million in VC funding.

Says Levchin. "Affirm is a simple, safe, transparent alternative to revolving credit for online shoppers who primarily use debit cards or are underserved - or not at all - by the currently FICO-based consumer lending system."

Affirm assesses consumer risk using a combination of social media profiling and purchase price to determine the rate and structured payment terms for consumers. Merchants receive their payments upfront from Affirm, with little downside risk.

Affirm charges merchants 2-3% percent of each transaction, and shoppers' fees start as low as six percent depending on their payment history, dollar amount being financed, and whether they commit to three, four, or five monthly installments.