Free Developer Tools
Calculate SLA downtime, estimate outage costs, and make the case for API monitoring.
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SLA Uptime Calculator
What does 99.9% uptime actually mean? Calculate exact downtime in minutes, hours, and days per month and year for any SLA percentage.
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API Downtime Cost Calculator
Estimate how much API outages cost your business per year. Input your revenue and dependencies to see the real impact.
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Website Down Checker
Check if any website is down right now. Get instant HTTP status codes and response times for any URL.