Notification
On the 14th September 2026, AIB ROI and AIB UK will update to Open Banking Limited specification v4.0.1.
Please ensure requests sent to AIB from this date align with v4.0.1 specification found here https://openbankinguk.github.io/read-write-api-site3/v4.0.1/profiles/read-write-data-api-profile.html.
Requests received from this date which do not comply with the latest version of OBL specification may be rejected. Please note the API endpoints remain as is.
See below high-level overview of changes;
- VRP refund schema change (applicable to AIB UK only)
- Referred Document Amount schema change
- Regex updates
If you have any queries please contact us at api@aib.ie
Drive innovation and create opportunities by collaborating with us using our APIs.
Discover Our APIs
Our API Products
View our list of APIs and discover our API products and features.
Getting Started
Register now to test your app using our sandbox and connect with our APIs in production. Getting started is quick and easy.