Why uptime matters
Banking uptime is not measured in minutes — it is measured in customer trust. A retail customer who cannot log in to check their balance during a salary-day morning will tell colleagues and post on social media within minutes. A small business owner who cannot make a same-day payment will move banks. The reputational cost of a 30-minute outage often dwarfs the technical impact.
And banks face a uniquely demanding mix: regulators (FCA, PRA, EBA) expect reportable uptime, customers expect seven-nines style availability, and adversaries actively probe for SSL drift, header weakness, and login-flow regressions. Banking uptime monitoring needs to verify customer journeys end-to-end, prove compliance with auditable evidence, and run continuously across every digital channel.
What goes wrong
- Login form returns 200 OK but rejects every credential for an hour — no monitor fires because the homepage is fine.
- Account-balance API is slow under peak load; customers refresh repeatedly, blocking legitimate transactions.
- SSL certificate on the mobile app API expires unnoticed; iOS app rejects connections, support phones overload.
- Required security headers drop after a CDN config change; PRA review flags an operational control gap.
- Statement download endpoint times out; customers cannot retrieve documents needed for mortgage applications.
- No durable, time-stamped record of an outage when the regulator asks for the incident report.
Monitors that matter
These are the Uptrue monitor types that map most directly to the failures above. Each links to a full setup guide.
Continuous up/down checks on every customer-facing surface — homepage, login, account pages, statement downloads.
Verify the "Log in" button, account page heading, or critical legal text remain present. Catches the broken-page-with-200-OK that destroys trust.
Slow banking is broken banking — customers retry, support calls spike, and trust erodes. Set tight thresholds on login, account, and transaction endpoints.
A browser SSL warning on a banking domain destroys trust instantly. Get alerted 30, 14, and 3 days before expiry across every subdomain.
HSTS, CSP, and X-Frame-Options are baseline operational controls. Their continuous presence is auditable evidence for PRA and FCA reviews.
Mobile app APIs and open banking endpoints fail silently with 200-OK errors. Assert on body content, not just status codes.
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