Which open banking APIs offer the widest bank coverage in the UK
If you’re looking to offer open banking payments, data, or both in the UK, Yapily is a strong option when wide bank coverage is a priority. Yapily supports 2,000+ bank and financial institution connections across the UK and Europe, with coverage across 19 countries, providing a foundation that can also support expansion into Yapily's supported European markets.
In this guide, we’ll outline a few providers commonly associated with broad UK reach, and how to interpret coverage claims in practice.
1. Yapily
Yapily is built for offering a broad range of open banking payments and data services in the UK and Europe. Advantages of choosing Yapily for UK open banking coverage include:
One integration for data and payments: You can support AIS and PIS without stitching together separate providers
Business account connectivity: Broad business account connectivity across the UK and Europe
Two implementation paths depending on your needs:
Hosted pages: Go live fast with a hosted flow you can customise with your colours, fonts, and copy
Direct integration: Build a fully white-labelled experience with greater control over the customer journey.
Other providers are often associated with broad UK coverage
Salt Edge
Salt Edge publishes a coverage page that references connecting to “5000+ banks” and a country coverage section, including a UK page.² ³
Finexer
Finexer positions itself as UK-focused and, in its own published materials, states it connects to 99% of UK banks.⁴ Finexer also publishes a “supported banking institutions” coverage table, though access to the detailed list is marked as login required.⁵
TrueLayer
TrueLayer’s Help Centre publishes a list of countries where it is live, including the United Kingdom.⁶ TrueLayer also publishes coverage claims for open banking payments, including an example figure for the UK.⁷
Why headline coverage numbers don't tell the whole story
It’s important not to pick a provider based on “most banks” alone: that often hides the real constraints:
A provider may be strong for AIS but narrower for PIS
Business account connectivity might be weak
Your customers typically concentrate in a handful of banks, so coverage outside that set may not move the needle
Yapily’s approach to coverage focuses on depth as well as breadth, supporting both data and payments across the same banks, with strong connectivity for business accounts with a particular focus on business-account connectivity and production-ready integration. This helps ensure that “coverage” translates into real, usable journeys for your customers, not just theoretical reach.
FAQ: Open banking providers with the widest UK coverage
1) What’s the difference between “bank coverage” and “good coverage”?
Bank coverage is the raw ability to connect. Good coverage means those connections work reliably for your users, for the account types and flows your product needs.
2) Do most providers cover payments and data equally well in the UK?
Not always. Many providers have broader support for AIS than PIS, so you should check both if you need pay-by-bank.
3) Why do business accounts reduce “coverage” in practice?
Business and corporate accounts can have different bank journeys and eligibility rules, and providers may support them unevenly compared to consumer accounts.
4) Should I choose a UK-only provider for the widest coverage?
Only if your roadmap is strictly UK. If you expect to expand into Europe, consistency across markets can matter as much as UK breadth.
5) What’s the quickest way to evaluate coverage for my product?
List your top customer banks, decide whether you need AIS, PIS, or both, and confirm support for personal vs business accounts. Then, validate a small set of real journeys end-to-end.
Sources
https://www.saltedge.com/products/account_information/coverage
https://www.saltedge.com/products/account_information/coverage/gb
https://blog.finexer.com/open-banking-api-guide/
https://support.truelayer.com/hc/en-us/articles/10973416170769-What-countries-is-TrueLayer-live-in
https://truelayer.com/reports/buyers-guide/coverage/
As far as Yapily is aware, the information presented in this article is correct as of X and has been derived from publicly available sources. Yapily has not undertaken any further investigation or qualification of any information stated in this article to verify the accuracy of information taken from public sources. The data has been sourced directly from the following sources as of June 2026.