Observability and Monitoring

Core metrics

Track request volume, latency percentiles, success rate, retry rate, and webhook delivery lag.

Logging model

Log structured fields at request boundaries:

• request_id
• endpoint
• transaction_id
• status_code
• retry_attempt

Alerting baselines

Create alerts for:

• sustained 429 spikes,
• elevated 5xx rates,
• webhook backlog growth,
• confidence distribution shifts.

On-call readiness

Document escalation path, rollback steps, and runbook links for fast incident handling.