diff --git a/src/main/java/dev/openfga/sdk/api/client/ClientTupleKey.java b/src/main/java/dev/openfga/sdk/api/client/ClientTupleKey.java
index 7993519..e61711d 100644
--- a/src/main/java/dev/openfga/sdk/api/client/ClientTupleKey.java
+++ b/src/main/java/dev/openfga/sdk/api/client/ClientTupleKey.java
@@ -16,6 +16,7 @@
 import dev.openfga.sdk.api.model.TupleKey;
 import dev.openfga.sdk.api.model.TupleKeys;
 import java.util.List;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 public class ClientTupleKey {
@@ -66,12 +67,12 @@ public TupleKey asTupleKey() {
         return new TupleKey().user(user).relation(relation)._object(_object);
     }
 
-    public static TupleKeys asTupleKeys(List<ClientTupleKey> clientTupleKeys) {
+    public static Optional<TupleKeys> asTupleKeys(List<ClientTupleKey> clientTupleKeys) {
         if (clientTupleKeys == null || clientTupleKeys.size() == 0) {
-            return new TupleKeys();
+            return Optional.empty();
         }
 
-        return new TupleKeys().tupleKeys(asListOfTupleKey(clientTupleKeys));
+        return Optional.of(new TupleKeys().tupleKeys(asListOfTupleKey(clientTupleKeys)));
     }
 
     public static ContextualTupleKeys asContextualTupleKeys(List<ClientTupleKey> clientTupleKeys) {
diff --git a/src/main/java/dev/openfga/sdk/api/client/OpenFgaClient.java b/src/main/java/dev/openfga/sdk/api/client/OpenFgaClient.java
index 1c1ce95..4818c35 100644
--- a/src/main/java/dev/openfga/sdk/api/client/OpenFgaClient.java
+++ b/src/main/java/dev/openfga/sdk/api/client/OpenFgaClient.java
@@ -288,17 +288,8 @@ private CompletableFuture<ClientWriteResponse> writeOneTransaction(
             String storeId, ClientWriteRequest request, ClientWriteOptions options) {
         WriteRequest body = new WriteRequest();
 
-        if (request != null) {
-            TupleKeys writes = ClientTupleKey.asTupleKeys(request.getWrites());
-            if (!writes.getTupleKeys().isEmpty()) {
-                body.writes(writes);
-            }
-
-            TupleKeys deletes = ClientTupleKey.asTupleKeys(request.getDeletes());
-            if (!deletes.getTupleKeys().isEmpty()) {
-                body.deletes(deletes);
-            }
-        }
+        ClientTupleKey.asTupleKeys(request.getWrites()).ifPresent(body::writes);
+        ClientTupleKey.asTupleKeys(request.getDeletes()).ifPresent(body::deletes);
 
         if (options != null && !isNullOrWhitespace(options.getAuthorizationModelId())) {
             body.authorizationModelId(options.getAuthorizationModelId());
@@ -358,7 +349,9 @@ public CompletableFuture<ClientWriteResponse> writeTuples(List<ClientTupleKey> t
         configuration.assertValid();
         String storeId = configuration.getStoreIdChecked();
 
-        var request = new WriteRequest().writes(ClientTupleKey.asTupleKeys(tupleKeys));
+        var request = new WriteRequest();
+        ClientTupleKey.asTupleKeys(tupleKeys).ifPresent(request::writes);
+
         String authorizationModelId = configuration.getAuthorizationModelId();
         if (!isNullOrWhitespace(authorizationModelId)) {
             request.authorizationModelId(authorizationModelId);
@@ -377,7 +370,9 @@ public CompletableFuture<ClientWriteResponse> deleteTuples(List<ClientTupleKey>
         configuration.assertValid();
         String storeId = configuration.getStoreIdChecked();
 
-        var request = new WriteRequest().deletes(ClientTupleKey.asTupleKeys(tupleKeys));
+        var request = new WriteRequest();
+        ClientTupleKey.asTupleKeys(tupleKeys).ifPresent(request::deletes);
+
         String authorizationModelId = configuration.getAuthorizationModelId();
         if (!isNullOrWhitespace(authorizationModelId)) {
             request.authorizationModelId(authorizationModelId);