Short answer: start with a push-style metrics API when a small Node.js team needs to judge a flagged property-pricing rule from a few application-level signals. Choose Prometheus plus Grafana when scrape-based infrastructure coverage, Kubernetes integrations, or sophisticated querying matter more than setup weight. The deciding variable is signal quality versus noise, not dashboard polish. For a solo founder, Infrai's native surface also exposes consistent per-call cost, vendor, and latency m...