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Checkly vs Nagios XI Clear Offer
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Evidence sheet Focus
Monitoring & Observability
Infrastructure Monitoring Platforms
Product
Checkly is a monitoring-as-code platform for API monitoring and end-to-end testing that integrates with CI/CD pipelines to detect issues before they affect users.
Enterprise network monitoring platform built on Nagios Core providing comprehensive monitoring, alerting, and reporting for IT infrastructure.
Headquarters
Berlin, Germany
Glendale, Minnesota
Company size
51-200 employees
11-50 employees
Free options
Free plan, Free trial
Free trial
Source updated
Oct 29, 2026
Oct 29, 2026
Capabilities
Plan capabilities
Integrations
Buyer fit
Best for
Company size
Security and switching
Security reviews
Security and migration
Case studies and sources
Case studies
Customer evidence
Open the full comparison Plan limits, integrations, security reviews and case studies for every product you compare.
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