diff --git a/application/src/main/java/org/thingsboard/server/service/apiusage/BaseApiUsageState.java b/application/src/main/java/org/thingsboard/server/service/apiusage/BaseApiUsageState.java
index 2d5026429a..9eac721dfb 100644
--- a/application/src/main/java/org/thingsboard/server/service/apiusage/BaseApiUsageState.java
+++ b/application/src/main/java/org/thingsboard/server/service/apiusage/BaseApiUsageState.java
@@ -199,6 +199,16 @@ public abstract class BaseApiUsageState {
         return getApiUsageState().getEntityId();
     }
 
+    @Override
+    public String toString() {
+        return "BaseApiUsageState{" +
+                "apiUsageState=" + apiUsageState +
+                ", currentCycleTs=" + currentCycleTs +
+                ", nextCycleTs=" + nextCycleTs +
+                ", currentHourTs=" + currentHourTs +
+                '}';
+    }
+
     @Data
     @Builder
     public static class StatsCalculationResult {
diff --git a/application/src/main/java/org/thingsboard/server/service/apiusage/DefaultTbApiUsageStateService.java b/application/src/main/java/org/thingsboard/server/service/apiusage/DefaultTbApiUsageStateService.java
index aef3a4ddcf..60bf529ace 100644
--- a/application/src/main/java/org/thingsboard/server/service/apiusage/DefaultTbApiUsageStateService.java
+++ b/application/src/main/java/org/thingsboard/server/service/apiusage/DefaultTbApiUsageStateService.java
@@ -17,6 +17,8 @@ package org.thingsboard.server.service.apiusage;
 
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.ListenableFuture;
+import jakarta.annotation.PostConstruct;
+import jakarta.annotation.PreDestroy;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -67,8 +69,6 @@ import org.thingsboard.server.service.mail.MailExecutorService;
 import org.thingsboard.server.service.partition.AbstractPartitionBasedService;
 import org.thingsboard.server.service.telemetry.InternalTelemetryService;
 
-import jakarta.annotation.PostConstruct;
-import jakarta.annotation.PreDestroy;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -184,6 +184,9 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
             if (newHourTs != hourTs) {
                 usageState.setHour(newHourTs);
             }
+            if (log.isTraceEnabled()) {
+                log.trace("[{}][{}] Processing usage stats from {} (currentCycleTs={}, currentHourTs={}): {}", tenantId, ownerId, serviceId, ts, newHourTs, values);
+            }
             updatedEntries = new ArrayList<>(ApiUsageRecordKey.values().length);
             Set<ApiFeature> apiFeatures = new HashSet<>();
             for (UsageStatsKVProto statsItem : values) {
@@ -210,6 +213,7 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
         } finally {
             updateLock.unlock();
         }
+        log.trace("[{}][{}] Saving new stats: {}", tenantId, ownerId, updatedEntries);
         tsWsService.saveAndNotifyInternal(tenantId, usageState.getApiUsageState().getId(), updatedEntries, VOID_CALLBACK);
         if (!result.isEmpty()) {
             persistAndNotify(usageState, result);
@@ -410,6 +414,9 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
             myUsageStates.values().forEach(state -> {
                 if ((state.getNextCycleTs() < now) && (now - state.getNextCycleTs() < TimeUnit.HOURS.toMillis(1))) {
                     state.setCycles(state.getNextCycleTs(), SchedulerUtils.getStartOfNextNextMonth());
+                    if (log.isTraceEnabled()) {
+                        log.trace("[{}][{}] Updating state cycles (currentCycleTs={},nextCycleTs={})", state.getTenantId(), state.getEntityId(), state.getCurrentCycleTs(), state.getNextCycleTs());
+                    }
                     saveNewCounts(state, Arrays.asList(ApiUsageRecordKey.values()));
                     if (state.getEntityType() == EntityType.TENANT && !state.getEntityId().equals(TenantId.SYS_TENANT_ID)) {
                         TenantId tenantId = state.getTenantId();
@@ -417,6 +424,8 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
                     }
                 }
             });
+        } catch (Throwable e) {
+            log.error("Failed to check start of next cycle", e);
         } finally {
             updateLock.unlock();
         }
@@ -483,7 +492,7 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
                 }
             }
             state.setGaugeReportInterval(gaugeReportInterval);
-            log.debug("[{}] Initialized state: {}", ownerId, storedState);
+            log.debug("[{}][{}] Initialized state: {}", tenantId, ownerId, state);
             TopicPartitionInfo tpi = partitionService.resolve(ServiceType.TB_CORE, tenantId, ownerId);
             if (tpi.isMyPartition()) {
                 addEntityState(tpi, state);