Integration / Apache Pulsar Interview questions
What is the AppDynamics REST API used for?
The AppDynamics Controller exposes a REST API that lets teams programmatically read and configure most of what's available in the UI — metrics, health rule status, business transaction lists, and configuration objects — instead of clicking through screens manually.
| Use Case | Example |
| Metric retrieval | Pull response time or error rate data into an external dashboard |
| Configuration as code | Script the creation of health rules, policies, or dashboards for new applications |
| CI/CD integration | Query deployment markers or health status as part of a release pipeline gate |
| Custom reporting | Export snapshot or business transaction data into a data warehouse |
A common pattern is using the API in a deployment pipeline to check whether a canary release's error rate or response time stayed within acceptable bounds after rollout, and automatically pausing or rolling back the deployment through the pipeline tool if the API reports a violation, tying monitoring directly into the release process rather than leaving it as a purely manual, after-the-fact check.
What can the REST API be used for besides reading metrics?
What is a common CI/CD use case for the REST API?
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