What is a policy in APIM?

Short answer: Policies are configuration statements to modify API behavior. Can be applied at global, API, or operation level. Examples: rate limit, caching, authentication, request/response transformation Example – Rate limit policy: <rate-limit calls="10" renewal-period="60" />

Real-world example (ShopNest)

ShopNest on Azure typically uses App Service + SQL Database + Blob Storage + Application Insights for monitoring.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.