diff --git a/monitor-worker-server/src/main/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestService.java b/monitor-worker-server/src/main/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestService.java
index a9f3c64..33ff854 100644
--- a/monitor-worker-server/src/main/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestService.java
+++ b/monitor-worker-server/src/main/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestService.java
@@ -7,6 +7,7 @@
 
 package org.gridsuite.monitor.worker.server.services;
 
+import org.apache.commons.collections4.CollectionUtils;
 import org.gridsuite.modification.dto.ModificationInfos;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.web.client.RestTemplateBuilder;
@@ -14,7 +15,6 @@
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.util.UriComponentsBuilder;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.UUID;
@@ -37,20 +37,17 @@ public NetworkModificationRestService(@Value("${gridsuite.services.network-modif
     }
 
     public List<ModificationInfos> getModifications(List<UUID> modificationsUuids) {
-        List<ModificationInfos> modifications = new ArrayList<>();
-
-        UriComponentsBuilder uriBuilder = UriComponentsBuilder
-            .fromUriString(DELIMITER + NETWORK_MODIFICATION_SERVER_API_VERSION + DELIMITER +
-                "network-composite-modification" + DELIMITER + "{uuid}" + DELIMITER + "network-modifications?onlyMetadata=false");
-
-        modificationsUuids.forEach(uuid -> {
-            String path = this.networkModificationServerBaseUri + uriBuilder.buildAndExpand(uuid).toUriString();
+        if (CollectionUtils.isNotEmpty(modificationsUuids)) {
+            String path = this.networkModificationServerBaseUri + UriComponentsBuilder.fromPath(DELIMITER + NETWORK_MODIFICATION_SERVER_API_VERSION + DELIMITER +
+                    "network-composite-modifications" + DELIMITER + "network-modifications")
+                .queryParam("uuids", modificationsUuids.toArray())
+                .queryParam("onlyMetadata", "false")
+                .buildAndExpand()
+                .toUriString();
             ModificationInfos[] modificationInfos = networkModificationServerRest.getForObject(path, ModificationInfos[].class);
-            if (modificationInfos != null) {
-                modifications.addAll(Arrays.asList(modificationInfos));
-            }
-        });
-
-        return modifications;
+            return modificationInfos != null ? Arrays.asList(modificationInfos) : List.of();
+        } else {
+            return List.of();
+        }
     }
 }
diff --git a/monitor-worker-server/src/test/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestServiceTest.java b/monitor-worker-server/src/test/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestServiceTest.java
index adaa6f0..c5de88d 100644
--- a/monitor-worker-server/src/test/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestServiceTest.java
+++ b/monitor-worker-server/src/test/java/org/gridsuite/monitor/worker/server/services/NetworkModificationRestServiceTest.java
@@ -23,7 +23,6 @@
 import org.springframework.test.web.client.response.MockRestResponseCreators;
 import org.springframework.web.client.HttpServerErrorException;
 
-import java.util.Arrays;
 import java.util.List;
 import java.util.UUID;
 
@@ -55,37 +54,39 @@ void tearDown() {
 
     @Test
     void getModifications() {
-        UUID[] modificationUuids = {MODIFICATION_1_UUID, MODIFICATION_2_UUID};
-
         ModificationInfos modificationInfos1 = LoadModificationInfos.builder().equipmentId("load1").q0(new AttributeModification<>(300., OperationType.SET)).build();
         ModificationInfos modificationInfos2 = LoadModificationInfos.builder().equipmentId("load2").q0(new AttributeModification<>(null, OperationType.UNSET)).build();
 
-        ModificationInfos[] modificationInfos = {modificationInfos1, modificationInfos2};
+        List<ModificationInfos> modificationInfos = List.of(modificationInfos1, modificationInfos2);
+        ModificationInfos[] modificationsArray = modificationInfos.toArray(ModificationInfos[]::new);
 
-        for (int i = 0; i < modificationUuids.length; i++) {
-            ModificationInfos[] modificationsArray = {modificationInfos[i]};
-            try {
-                server.expect(MockRestRequestMatchers.method(HttpMethod.GET))
-                    .andExpect(MockRestRequestMatchers.requestTo("http://network-modification-server/v1/network-composite-modification/" + modificationUuids[i] + "/network-modifications?onlyMetadata=false"))
-                    .andRespond(MockRestResponseCreators.withSuccess()
-                        .contentType(MediaType.APPLICATION_JSON)
-                        .body(objectMapper.writeValueAsString(modificationsArray)));
-            } catch (JsonProcessingException e) {
-                throw new RuntimeException(e);
-            }
+        try {
+            server.expect(MockRestRequestMatchers.method(HttpMethod.GET))
+                .andExpect(MockRestRequestMatchers.requestTo("http://network-modification-server/v1/network-composite-modifications/network-modifications?uuids=" + MODIFICATION_1_UUID + "&uuids=" + MODIFICATION_2_UUID + "&onlyMetadata=false"))
+                .andRespond(MockRestResponseCreators.withSuccess()
+                    .contentType(MediaType.APPLICATION_JSON)
+                    .body(objectMapper.writeValueAsString(modificationsArray)));
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
         }
 
-        List<ModificationInfos> resultListModifications = networkModificationRestService.getModifications(Arrays.asList(modificationUuids));
-        assertThat(resultListModifications).usingRecursiveComparison().isEqualTo(Arrays.asList(modificationInfos));
+        List<ModificationInfos> resultListModifications = networkModificationRestService.getModifications(List.of(MODIFICATION_1_UUID, MODIFICATION_2_UUID));
+        assertThat(resultListModifications).usingRecursiveComparison().isEqualTo(modificationInfos);
     }
 
     @Test
     void getModificationsNotFound() {
         server.expect(MockRestRequestMatchers.method(HttpMethod.GET))
-            .andExpect(MockRestRequestMatchers.requestTo("http://network-modification-server/v1/network-composite-modification/" + MODIFICATION_ERROR_UUID + "/network-modifications?onlyMetadata=false"))
+            .andExpect(MockRestRequestMatchers.requestTo("http://network-modification-server/v1/network-composite-modifications/network-modifications?uuids=" + MODIFICATION_ERROR_UUID + "&onlyMetadata=false"))
             .andRespond(MockRestResponseCreators.withServerError());
 
         List<UUID> modificationsUuids = List.of(MODIFICATION_ERROR_UUID);
         assertThatThrownBy(() -> networkModificationRestService.getModifications(modificationsUuids)).isInstanceOf(HttpServerErrorException.InternalServerError.class);
     }
+
+    @Test
+    void getEmptyModifications() {
+        List<ModificationInfos> resultListModifications = networkModificationRestService.getModifications(List.of());
+        assertThat(resultListModifications).isEmpty();
+    }
 }