Knot

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.

Domain

knotapi.com

Employees

11-50

Founded

2018

Frequently Asked Questions

What technologies does Knot use?+

Knot uses 22 technologies including Nuxt.js, Segment, Sentry.

What industry is Knot in?+

Knot operates in the Developer APIs industry.

Where is Knot based?+

Knot is headquartered in United States.

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Data last updated: June 2026