# Metrics Analyze data about matchmaking rules. ## Discussion Use the Metrics APIs to diagnose performance and other issues with matchmaking rules. For more information, see and . ## Topics ### Getting match request metrics [`Get Rule-Based Match Requests`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterDetails-_id_-metrics-ruleBasedMatchmakingRequests) Get match requests that use matchmaking rules. [`Get Classic Match Requests`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterDetails-_id_-metrics-classicMatchmakingRequests) Get match requests that don’t use matchmaking rules. ### Getting rule results and errors [`Get boolean rule results`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingRules-_id_-metrics-matchmakingBooleanRuleResults) Get the results of a specific matchmaking rule that returns Boolean values. [`Get Numeric Rule Results`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingRules-_id_-metrics-matchmakingNumberRuleResults) Get the results of a specific matchmaking rule that returns numeric values. [`Get Matchmaking Rule Errors`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingRules-_id_-metrics-matchmakingRuleErrors) Get errors that occur for a specific matchmaking rule. ### Getting queue information [`Get Queue Size`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingQueues-_id_-metrics-matchmakingQueueSizes) Get the time that match requests are in a specific queue. [`Get Experimental Queue Size`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingQueues-_id_-metrics-experimentMatchmakingQueueSizes) Get the number of match requests that the queue processes using its experimental rule set. [`Get Match Request Time in Queue`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingQueues-_id_-metrics-matchmakingRequests) Get the match requests that a specific queue processes. [`Get Experimental Match Request Time in Queue`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingQueues-_id_-metrics-experimentMatchmakingRequests) Get the match requests that a specific queue processes using its experimental rule set. [`Get Queue Session Information`](/documentation/AppStoreConnectAPI/GET-v1-gameCenterMatchmakingQueues-_id_-metrics-matchmakingSessions) Get session information on a queue. ### Objects [`GameCenterMatchmakingAppRequestsV1MetricResponse`](/documentation/AppStoreConnectAPI/GameCenterMatchmakingAppRequestsV1MetricResponse) The response body for fetching a match request. [`GameCenterMatchmakingBooleanRuleResultsV1MetricResponse`](/documentation/AppStoreConnectAPI/GameCenterMatchmakingBooleanRuleResultsV1MetricResponse) The response body for fetching the results of applying Boolean rules. [`GameCenterMatchmakingNumberRuleResultsV1MetricResponse`](/documentation/AppStoreConnectAPI/GameCenterMatchmakingNumberRuleResultsV1MetricResponse) The response body for fetching the results of applying numeric rules. [`GameCenterMatchmakingRuleErrorsV1MetricResponse`](/documentation/AppStoreConnectAPI/GameCenterMatchmakingRuleErrorsV1MetricResponse) The response body for fetching the rule errors. [`GameCenterMatchmakingQueueSizesV1MetricResponse`](/documentation/AppStoreConnectAPI/GameCenterMatchmakingQueueSizesV1MetricResponse) The response body for fetching the queue sizes. [`GameCenterMatchmakingQueueRequestsV1MetricResponse`](/documentation/AppStoreConnectAPI/GameCenterMatchmakingQueueRequestsV1MetricResponse) The response body for match requests in a queue. [`GameCenterMatchmakingSessionsV1MetricResponse`](/documentation/AppStoreConnectAPI/GameCenterMatchmakingSessionsV1MetricResponse) The response body for information about a successful matchmaking session. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)