The only way to update saved payment methods via API

Card issuers use KnotAPI to automatically switch saved payment methods on behalf of their users.

Schedule a Demo

Your customers sign up.
We take care of the rest.

Accelerate customer spend from day 0 with just a few lines of code.

Schedule a Demo

Lightning Fast Updates

Your customers input their credentials and we’ll instantly update their card on file with your new card information.

For Devs, By Devs

Knot fits into your existing tech-stack in hours, not weeks.

Security First

Card information is encrypted and never shared.

Optimized User Experience

Fully customizable user experience. We inherit your styles to integrate seamlessly and optimize for conversions.

Amazon Starbucks
Netflix Walmart
Lyft Uber


Update new card info
virtually everywhere

Hundreds of merchants supported. Amazon, Lyft, Starbucks, Netflix, and more!

Schedule a Demo

Making it easy and instant for consumers to switch their bill payment is the other side of the coin of payroll switching and will be game changer - hugely valuable feature for Banks and Neobanks to offer their customers.


Ethan Bloch, Founder & CEO, Digit

Ready to get started?

Knot provides developers with simple tools they can use to create great experiences for their customers. What can you build?

Schedule a Demo