Open Banking via Mastercard

Incident Report for Cardstream

Resolved

Mastercard has confirmed that this is now resolved.

Posted Aug 14, 2026 - 17:16 BST

Investigating

Cardstream has identified an ongoing issue with Open Banking payments processed via Mastercard, where payments are being declined by the Mastercard retail bank client. The issue has been escalated to Mastercard for urgent investigation. Open Banking payments via OBN Global are affected by this.

Posted Aug 14, 2026 - 14:10 BST

This incident affected: Cardstream Payment Gateway and OBN.