Banking Access Index
Finance
Which US business banking providers accept founders by country of residence, with sources
No keyCORSHTTPS
Open Banking API
The Open Banking API enables users to connect their bank accounts securely and access transaction data without needing paperwork or PSD2 certificates. It allows for the creation of API keys, exporting of credentials, and seamless integration with SDKs for quick access to banking information.
Verified 4 days ago: 100% uptime
API key
Unconfirmed
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Live · 95/100
What our checks found
- Health score
- 95/100
- Reliability
- 100%
- Average latency
- 920ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for Open Banking API. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Authentication requirement is unconfirmed. Check the documentation before relying on this.
curl -s "https://open-banking.io/ENDPOINT" \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Where this listing comes from
Aggregated from one public source (freepublicapis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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Open Banking API — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is Open Banking API free to use?
Open Banking API is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
Does Open Banking API need an API key?
Open Banking API requires some form of authentication. Check the provider's documentation for which scheme it expects.
Can I call Open Banking API from browser JavaScript?
Not directly. Open Banking API did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Is Open Banking API still working?
Yes, as of 2026-09-18. Our automated check reached Open Banking API and recorded a 100% reliability score with a median response time of 920 ms. We re-check on a schedule, and this page updates with the result.
Is Open Banking API available over HTTPS?
Yes. Open Banking API serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.