diff --git a/examples/v1/usage-metering/GetUsageSummary.java b/examples/v1/usage-metering/GetUsageSummary.java
index 5460d2cad31..c44480ee397 100644
--- a/examples/v1/usage-metering/GetUsageSummary.java
+++ b/examples/v1/usage-metering/GetUsageSummary.java
@@ -3,18 +3,101 @@
 import com.datadog.api.client.ApiClient;
 import com.datadog.api.client.ApiException;
 import com.datadog.api.client.v1.api.UsageMeteringApi;
+import com.datadog.api.client.v1.model.UsageSummaryDate;
+import com.datadog.api.client.v1.model.UsageSummaryDateOrg;
 import com.datadog.api.client.v1.model.UsageSummaryResponse;
+import com.datadog.api.client.v2.model.UsageSummaryAvailableFieldsAttributes;
+import com.datadog.api.client.v2.model.UsageSummaryAvailableFieldsResponse;
 import java.time.OffsetDateTime;
+import java.util.List;
 
 public class Example {
   public static void main(String[] args) {
     ApiClient defaultClient = ApiClient.getDefaultApiClient();
-    UsageMeteringApi apiInstance = new UsageMeteringApi(defaultClient);
+
+    // Step 1: call v2 to discover every field name at each response level.
+    com.datadog.api.client.v2.api.UsageMeteringApi v2Api =
+        new com.datadog.api.client.v2.api.UsageMeteringApi(defaultClient);
+
+    List<String> responseFields = null;
+    List<String> dateFields = null;
+    List<String> dateOrgFields = null;
+
+    try {
+      UsageSummaryAvailableFieldsResponse fieldsResponse =
+          v2Api.getUsageSummaryAvailableFields();
+      if (fieldsResponse.getData() != null
+          && fieldsResponse.getData().getAttributes() != null) {
+        UsageSummaryAvailableFieldsAttributes attrs =
+            fieldsResponse.getData().getAttributes();
+        responseFields = attrs.getResponseFields();
+        dateFields = attrs.getDateFields();
+        dateOrgFields = attrs.getDateOrgFields();
+      }
+    } catch (ApiException e) {
+      System.err.println(
+          "Exception when calling UsageMeteringApi#getUsageSummaryAvailableFields");
+      System.err.println("Status code: " + e.getCode());
+      System.err.println("Reason: " + e.getResponseBody());
+      System.err.println("Response headers: " + e.getResponseHeaders());
+      e.printStackTrace();
+      return;
+    }
+
+    // Step 2: call v1 to get the actual usage summary, including per-org breakdowns.
+    UsageMeteringApi v1Api = new UsageMeteringApi(defaultClient);
 
     try {
       UsageSummaryResponse result =
-          apiInstance.getUsageSummary(OffsetDateTime.parse("2021-11-11T11:11:11.111+00:00"));
-      System.out.println(result);
+          v1Api.getUsageSummary(
+              OffsetDateTime.parse("2021-11-11T11:11:11.111+00:00"),
+              new UsageMeteringApi.GetUsageSummaryOptionalParameters()
+                  .includeOrgDetails(true));
+
+      // Layer 1: read response-level additionalProperties using the discovered field names.
+      System.out.println("=== Response-level additionalProperties ===");
+      if (responseFields != null) {
+        for (String field : responseFields) {
+          Object value = result.getAdditionalProperty(field);
+          if (value instanceof Number) {
+            System.out.println(field + ": " + value);
+          }
+        }
+      }
+
+      // Layer 2: iterate over each usage date and read date-level additionalProperties.
+      if (result.getUsage() != null) {
+        for (UsageSummaryDate dateEntry : result.getUsage()) {
+          System.out.println(
+              "\n=== Date-level additionalProperties for " + dateEntry.getDate() + " ===");
+          if (dateFields != null) {
+            for (String field : dateFields) {
+              Object value = dateEntry.getAdditionalProperty(field);
+              if (value != null) {
+                System.out.println("  " + field + ": " + value);
+              }
+            }
+          }
+
+          // Layer 3: iterate over each org within the date and read org-level additionalProperties.
+          if (dateEntry.getOrgs() != null) {
+            for (UsageSummaryDateOrg orgEntry : dateEntry.getOrgs()) {
+              System.out.println(
+                  "\n  === Org-level additionalProperties for org "
+                      + orgEntry.getId()
+                      + " ===");
+              if (dateOrgFields != null) {
+                for (String field : dateOrgFields) {
+                  Object value = orgEntry.getAdditionalProperty(field);
+                  if (value != null) {
+                    System.out.println("    " + field + ": " + value);
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
     } catch (ApiException e) {
       System.err.println("Exception when calling UsageMeteringApi#getUsageSummary");
       System.err.println("Status code: " + e.getCode());
diff --git a/examples/v2/usage-metering/GetUsageSummaryAvailableFields.java b/examples/v2/usage-metering/GetUsageSummaryAvailableFields.java
index d999b726140..f10782052c9 100644
--- a/examples/v2/usage-metering/GetUsageSummaryAvailableFields.java
+++ b/examples/v2/usage-metering/GetUsageSummaryAvailableFields.java
@@ -1,8 +1,9 @@
-// Get available fields for usage summary returns "OK." response
+// Get available fields for usage summary returns "OK" response
 
 import com.datadog.api.client.ApiClient;
 import com.datadog.api.client.ApiException;
 import com.datadog.api.client.v2.api.UsageMeteringApi;
+import com.datadog.api.client.v2.model.UsageSummaryAvailableFieldsAttributes;
 import com.datadog.api.client.v2.model.UsageSummaryAvailableFieldsResponse;
 
 public class Example {
@@ -12,7 +13,22 @@ public static void main(String[] args) {
 
     try {
       UsageSummaryAvailableFieldsResponse result = apiInstance.getUsageSummaryAvailableFields();
-      System.out.println(result);
+      UsageSummaryAvailableFieldsAttributes attrs = result.getData().getAttributes();
+
+      System.out.printf("response_fields (%d):%n", attrs.getResponseFields().size());
+      for (String f : attrs.getResponseFields()) {
+        System.out.println("  " + f);
+      }
+
+      System.out.printf("date_fields (%d):%n", attrs.getDateFields().size());
+      for (String f : attrs.getDateFields()) {
+        System.out.println("  " + f);
+      }
+
+      System.out.printf("date_org_fields (%d):%n", attrs.getDateOrgFields().size());
+      for (String f : attrs.getDateOrgFields()) {
+        System.out.println("  " + f);
+      }
     } catch (ApiException e) {
       System.err.println("Exception when calling UsageMeteringApi#getUsageSummaryAvailableFields");
       System.err.println("Status code: " + e.getCode());