Open Banking and Banking-as-a-Service are terms used for APIs in the financial space. But do they mean the same – can they be used interchangeably? Does a bank automatically offer Banking-as-a-Service when it offers Open Banking APIs?

How big is the leap from Open Banking to Banking-as-a-Service?

I have recently written an article on FinExtra about this topic: From Open Banking APIs to Banking-as-a-Service: How big is the leap?

Photo by Edu Lauton on Unsplash

Open Banking vs Banking-as-a-Service: How do they differ?

Matthias Biehl

As API strategist, Matthias helps clients discover their opportunities for innovation with APIs & ecosystems and turn them into actionable digital strategies. Based on his experience in leading large-scale API initiatives in both business and technology roles, he shares best practices and provides both strategic and practical guidance. He has stayed a techie at heart and at some point, got a Ph.D. Matthias publishes a blog at, is the author of several books on APIs, and regularly speaks at technology conferences.