Anthropic Incident Runbook Severity Classification | Severity | Condition | Response Time | |----------|-----------|---------------| | P1 | API returning 500/529 for all requests | Immediate | | P2 | Rate limiting (429) or high latency ( 10s p99) | 15 minutes | | P3 | Intermittent errors (<5% error rate) | 1 hour | | P4 | Degraded quality (not errors) | Next business day | Immediate Triage (First 5 Minutes) Decision Tree Mitigation Actions Rate Limiting (429) API Outage (500/529) Key Compromise Postmortem Template Error Handling | Symptom | Likely Cause | Quick Fix | |---------|-------------|…