Monitoring APIs

Overview

Build real-time API monitoring with metrics collection (request rate, latency percentiles, error rates), health check endpoints, and alerting rules. Instrument API middleware to emit Prometheus metrics or StatsD counters, configure Grafana dashboards with SLO tracking, and implement synthetic monitoring probes for uptime verification.

Prerequisites

• Prometheus + Grafana stack, or Datadog/New Relic/CloudWatch for metrics and dashboards
• Metrics client library: prom-client (Node.js), prometheus_client (Python), or Micrometer (Java)
• Alerting channel configured: PagerDuty, Slack webhook, or email for alert routing
• Structured logging library: Winston, Pino (Node.js), structlog (Python), or Logback (Java)
• Synthetic monitoring tool: Checkly, Uptime Robot, or custom cron-based health probes

Instructions