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API Observability Basics
See how APIs behave
Observing APIs means emitting structured logs with request IDs, latency/size metrics, traces across services, and percentiles and errors by route/key to detect and debug issues quickly.
- api observability
- metrics
- traces
- structured logs
- request id
Instrument
Add request IDs, latency, status, and payload size metrics per route.
Trace
Propagate IDs across services; sample traces; include db/cache spans.
Monitor
Alert on error/latency percentiles; break down by key/region.
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