Fast, a San Francisco-based online login and checkout experience has launched Fast Checkout, a one-click checkout for e-commerce purchases that can work on every site, device and platform. Sellers can add Fast Checkout to their stores and buyers can complete online purchases in less than a second with just one-click, according to a press release.

Fast Checkout eliminates the need for passwords and offers a fast, seamless experience on every platform.

Fast Checkout can be used anytime a purchase is made at any site that uses Checkout. The buyer enters their contact information and payment details and they are automatically signed up and can use one-click checkout at any store with Checkout, regardless of device or browser, and without a password.

In addition to one-click checkout, Fast Checkout provides buyers a one-stop location to keep track of their purchases, including delivery status and reordering.