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Monzo App Outage Disrupts Logins and Balances as Bank Activates Backup System

Monzo says core banking continues via its standby system during an investigation into platform issues with no timeline for a fix.

Overview

  • User reports of problems rose shortly after 3pm UK time, peaking around 3:16pm according to DownDetector.
  • Monzo’s status page said it had spotted platform issues and was investigating, with no explanation or estimated resolution time.
  • Customers reported failed logins, missing balances and stalled payment screens, sharing screenshots on social media.
  • A spokesperson said Monzo activated its independent Stand-in system, allowing card payments, cash withdrawals and bank transfers to continue.
  • Monzo also flagged degraded performance across the app and payments, a disruption that heightens resilience questions for an app‑first bank with over nine million UK users.