Short answer: use an error-rate counter for busy API traffic, an externally observed last-success timestamp for cron jobs, and a small replay test that proves each alert fires and recovers before anyone is paged. The deciding constraint isn't the dashboard. It's whether the signal can distingui...

Source: [Dev.to](https://dev.to/yvessterling6854/silent-breakage-detection-poll-queries-cron-jobs-and-saas-api-error-rates-j82)

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