Stripe is a financial technology company that provides payment processing software and services to online businesses. It was founded in 2010 and has grown rapidly, reaching a $35 billion valuation in 2019. Stripe offers developers an easy-to-integrate payments platform and charges transparent fees of 2.9% + $0.30 per credit card transaction and 0.8% for ACH payments. The company aims to make payments frictionless for businesses and has expanded into new products and international markets.