Knot
https://www.knotapi.com/Knot is the first merchant connectivity platform offering card-on-file switching for hundreds of online merchant accounts. Major financial institutions and startups embed Knot’s SDK to power customer experiences. Headquartered in New York City, Knot was founded in 2021 by Rory and Kieran O’Reilly and is backed by leading investors, including Nava Ventures, 8VC, American Express, Plaid, and many more.