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What is the story about?
A brief global outage at Cloudflare on Friday (December 5) disrupted access to several Indian trading platforms, including Zerodha, Groww and Upstox, before services were restored. The incident affected user logins, order placement and market data feeds during active trading hours.
Trading apps go dark during market hours
The disruption began around 2:26 pm IST, when Cloudflare’s network issues triggered failures across APIs and backend systems that many brokers use for routing traffic.
Zerodha said its Kite platform became unavailable due to “cross-platform downtime on Cloudflare."
Upstox and Groww issued similar alerts, acknowledging an industry-wide impact.
Multiple brokers attributed the interruption entirely to Cloudflare, noting that the issue was not localised to their systems.
What went wrong
Cloudflare’s status page later confirmed that a technical issue affecting its Dashboard and related APIs had caused requests to fail for some users. The outage began at 08:56 UTC (2:26 pm IST).
Cloudflare deployed a fix at 09:12 UTC (2:42 pm IST), and services gradually recovered.
The company said all systems were back online and under monitoring.
The disruption briefly extended beyond trading.
Websites and apps that rely on Cloudflare’s network for content delivery, security and traffic routing—including AI tools, travel platforms and enterprise applications—also experienced intermittent failures.
Second incident in recent months
This outage follows another significant Cloudflare failure last month, when faults in the company’s infrastructure caused widespread downtime across global services, including major social media, AI platforms and monitoring tools.
With Cloudflare supporting a large share of the modern internet, even small faults can cascade quickly across unrelated services.
Platforms resume normal operations
By mid-afternoon, Zerodha, Upstox and Groww confirmed that their services had been restored. Brokers said they continued to monitor systems for residual issues.
Trading apps go dark during market hours
The disruption began around 2:26 pm IST, when Cloudflare’s network issues triggered failures across APIs and backend systems that many brokers use for routing traffic.
Zerodha said its Kite platform became unavailable due to “cross-platform downtime on Cloudflare."
Upstox and Groww issued similar alerts, acknowledging an industry-wide impact.
Multiple brokers attributed the interruption entirely to Cloudflare, noting that the issue was not localised to their systems.
What went wrong
Cloudflare’s status page later confirmed that a technical issue affecting its Dashboard and related APIs had caused requests to fail for some users. The outage began at 08:56 UTC (2:26 pm IST).
Cloudflare deployed a fix at 09:12 UTC (2:42 pm IST), and services gradually recovered.
The company said all systems were back online and under monitoring.
The disruption briefly extended beyond trading.
Websites and apps that rely on Cloudflare’s network for content delivery, security and traffic routing—including AI tools, travel platforms and enterprise applications—also experienced intermittent failures.
Second incident in recent months
This outage follows another significant Cloudflare failure last month, when faults in the company’s infrastructure caused widespread downtime across global services, including major social media, AI platforms and monitoring tools.
With Cloudflare supporting a large share of the modern internet, even small faults can cascade quickly across unrelated services.
Platforms resume normal operations
By mid-afternoon, Zerodha, Upstox and Groww confirmed that their services had been restored. Brokers said they continued to monitor systems for residual issues.
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