The original title is: "Resend Prometheus Monitoring: Alert on Email Bounces in Grafana"

Short summary

resend-exporter is a lightweight Prometheus exporter that receives Resend email webhooks, verifies Svix signatures, and exposes metrics for Grafana alerting on email bounces and failures. It deliberately separates cardinality-safe metrics from sensitive forensic logs, requires no database or queue, and exposes four HTTP endpoints for webhook ingestion, metrics, liveness, and readiness.

• •Prometheus exporter for Resend email events with Svix signature verification
• •Metrics designed to avoid Prometheus cardinality pain; sensitive details go to structured logs
• •Four endpoints: webhook receiver, /metrics, /healthz, /readyz — no DB or queue needed

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