Chase Open Banking - Partial outage affecting Account Information Services

Incident Report for Tink providers UK

Identified

We are currently investigating an issue with Chase

- Affected users: 53%
- Affected flow: Background Refresh flow
- Start Time: 20/10/2026 18:32 BST
- Bank side error: 400 error from the Authentication endpoint.
- Provider name: uk-chase-ob
Posted Oct 20, 2026 - 19:47 BST
This incident affects: Chase.