KnotAPI

Card Dynamics

This company provides a platform that connects banks and retailers to manage recurring payments and keep card details updated for subscription services.

Sunlight

This company provides an API for financial institutions to automate card-on-file updates and B2B payments across vendor platforms and subscription services.

Method Financial

This company provides an API for lenders and fintechs to access real-time consumer debt data and automate loan repayments through secure financial connectivity.

Card91

This company provides an API-driven issuance platform and management infrastructure for banks and businesses to launch payment instruments including cards and UPI services.

Rutter

This company develops a unified API for commerce and accounting data to serve fintech firms and business-to-business software providers.

Sunlight API

Sunlight API develops automated card payment infrastructure for fintechs and financial institutions to manage supplier portal transactions and card-on-file updates.

Embedded platform payments

This company provides a payment automation platform for businesses and accountants to manage payroll, accounts payable, spend management and collections through a single API.

Memo Bank

This independent commercial bank provides an API-first platform for high-volume companies to automate their payment flows, transaction management and financial structures.