An Amazon EventBridge rule targets a third-party API, but the third-party API has not received any incoming traffic. A solutions architect needs to determine whether the rule conditions are being met and whether the rule's target is being invoked. Which solution will provide this information?

Checking Amazon CloudWatch metrics in the AWS/Events namespace is the correct solution. EventBridge automatically publishes metrics like Invocations (how many times targets were invoked) and TriggeredRules (how many times rules were matched) to CloudWatch. These metrics directly indicate if rule conditions are met and if targets are being invoked, even if the third-party API isn't responding or is misconfigured. Reviewing an SQS dead-letter queue is irrelevant as SQS is not directly involved in the EventBridge-to-API flow. CloudWatch Logs might show some EventBridge activity if specific logging is configured, but metrics provide a more direct and aggregated view of rule and target invocation status. CloudTrail records API calls made to AWS services, not the internal processing or invocation status of EventBridge rules.