| AIB Group (UK) plc |
Open Banking Specification v3.1.11 (Nov 2025) |
|
|
| AIB Group (UK) plc. |
Open Banking Specification v3.1.11 |
|
|
| Authlete |
Authlete 2.2 |
|
|
| Bank of Ireland UK |
as of August, 2026, Open Banking FAPI v1 Advanced |
|
|
| Barclays Execution Services Limited |
Certification for Barclays fapi1-advanced-final-test-plan Oct 2024 |
|
|
| Barclays Execution Services Ltd |
Barclays fapi1-advanced-final-test-plan Nov 2025 |
|
|
| Cater Allen |
CA Open Banking v. 2.0.0 (Mar 2025) |
|
|
| Cloudentity |
Cloudentity |
|
|
| Cloudentity, Inc. |
Cloudentity as of August, 2022 |
|
|
| Coutts & Co. |
Open Banking API 4.0 as of October, 2026 |
|
|
| Coutts & Co. |
Open Banking API 3.1.11 (Nov 2024) |
|
|
| Coutts & Co. |
Open Banking API 4.0 |
|
|
| HSBC UK Bank plc |
first direct Read / Write API Version 4.0 |
|
|
| HSBC UK Bank plc |
HSBC Business Read / Write API Version 4.0 |
|
|
| HSBC UK Bank plc |
HSBC Kinetic Read / Write API Version 4.0 |
|
|
| HSBC UK Bank plc |
HSBC Personal Read / Write API Version 4.0 |
|
|
| IBM |
IBM Security Verify (as of May 2022) |
|
|
| IBM |
IBM Security Verify Access 10.0 |
|
|
| Lloyds Banking Group |
R134 20241121 |
|
|
| Lloyds Banking Group |
R148 20251125 |
|
|
| Marks & Spencer Financial Services Limited |
M&S Bank Read / Write API Version 4.0 |
|
|
| NATIONAL WESTMINSTER BANK |
as of April 1, 2026 |
|
|
| Nationwide Building Society |
Open Banking Read-Write APIversion 3.1.11 (Jan 2025) |
|
|
| Nationwide Building Society |
Open Banking Read-Write APIversion 4.0 |
|
|
| NatWest (Trading as Mettle) |
Mettle v3.1.10 FAPI Sept 2024 |
|
|
| Natwest (Trading as Mettle) |
Mettle v4.0.0 FAPI Nov 2025 |
|
|
| Northern Bank Ltd (trading as Danske Bank) |
Open Banking v3.1.11 (Apr 2024) |
|
|
| Northern Bank Ltd (trading as Danske Bank) |
Open Banking v4.0 |
|
|
| Northern Bank Ltd (trading as Danske Bank) |
Version 5.3.3 as of October 2026 |
|
|
| Open Intelligent Technology Limited |
OpenIT – FAPIAdv IdP_v1 |
|
|
| Ostia Software Solutions LTD |
N-CAPIE: NO-CODE API ECOSYSTEM V1.1.1 |
|
|
| Ping Identity |
PingAM 8 and PingGateway 2025 |
|
|
| Ping Identity Corporation |
PingFederate 10.3 |
|
|
| Santander plc |
OpenBanking UK 3.1.11 |
|
|
| Santander UK PLC |
OpenBanking UK 4.0 |
|
|
