Fast

Fast's mission is to make buying online faster, safer, and easier for everyone. Its Fast Login and Fast Checkout product enable a one-click sign-in and purchasing experience that makes it easier for people to buy and merchants to sell. The company's products work on any browser, device, or platform for consistent, stress-free purchasing, either on a merchant's own domain or through headless checkout on any other website. Fast invests heavily in its user privacy and security, with a Zero Fraud Guarantee on chargebacks for sellers. Headquartered in San Francisco, Fast is a privately held company founded by Domm Holland and Allison Barr Allen and funded by Stripe, Addition, Index Ventures, Susa Ventures, and Sugar Capital.