API Gateway Log Patterns
8 patterns smplogs detects in API Gateway CloudWatch access logs.
CRITICAL / HIGH / ELEVATED
High Server Error Rate (5xx)
Server errors from Lambda or backend integration failures.
HIGH / ELEVATED
Elevated Client Error Rate (4xx)
Authentication failures, bad requests, or missing resources.
HIGH / ELEVATED
API Throttling Detected (429)
Requests hitting API Gateway rate limits.
HIGH / ELEVATED
High API Response Latency
P99 response latency causing client timeouts or poor UX.
HIGH
Integration Timeout Errors
Backend integration exceeding the timeout limit.
ELEVATED
Slow Backend Integration
P99 integration latency contributing to total response time.
HIGH
Degraded API Endpoint
Specific endpoint with high error rate across multiple requests.
ELEVATED
Slow API Endpoint
Specific endpoint with P99 latency exceeding 5 seconds.
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