Tracing user requests to REST APIs using X-Ray

You can use

AWS X-Ray⁠

to trace and analyze user requests as they travel through your Amazon API Gateway REST APIs to the underlying services. API Gateway supports X-Ray tracing for all API Gateway REST API endpoint types: Regional, edge-optimized, and private. You can use X-Ray with Amazon API Gateway in all AWS Regions where X-Ray is available.

Because X-Ray gives you an end-to-end view of an entire request, you can analyze latencies in your APIs and their backend services. You can use an X-Ray service map to view the latency of an entire request and that of the downstream services that are integrated with X-Ray. You can also configure sampling rules to tell X-Ray which requests to record and at what sampling rates, according to criteria that you specify.

If you call an API Gateway API from a service that's already being traced, API Gateway passes the trace through, even if X-Ray tracing isn't enabled on the API.

You can enable X-Ray for an API stage by using the API Gateway console, or by using the API Gateway API or CLI.

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