pingdan
5.9#24 in api monitoring toolsFree planFree planWeb
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It suits engineers who need endpoint checks, configurable failure thresholds, detailed latency charts, and many alert destinations. The free plan covers unlimited monitors and frequent checks.
It suits people and teams who need availability monitoring for websites, servers, or other services, with alerts and status pages. The free plan is described for hobby and non-profit projects; Solo is positioned for freelancers and small sites.