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Build Prometheus queries visually — metrics, label matchers, rate windows, aggregations, quantiles — with plain-English explanations and ready-made templates.
New to this? PromQL is the language Prometheus uses to ask questions about your metrics — CPU, memory, request rates, error counts, and so on. You don’t have to memorize it: click a query together in Build (guided), or start from an Example. Every query is explained in plain English.
Label matchers
sum by (service) (rate(http_requests_total{job="api"}[5m]))job = "api".service.