diff --git a/src/main/java/it/gov/pagopa/atmlayer/service/model/dto/TerminalConfigs.java b/src/main/java/it/gov/pagopa/atmlayer/service/model/dto/TerminalConfigs.java
index eb9ef0e4..ffd71cdc 100644
--- a/src/main/java/it/gov/pagopa/atmlayer/service/model/dto/TerminalConfigs.java
+++ b/src/main/java/it/gov/pagopa/atmlayer/service/model/dto/TerminalConfigs.java
@@ -1,6 +1,7 @@
 package it.gov.pagopa.atmlayer.service.model.dto;
 
 import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
@@ -16,9 +17,11 @@
 public class TerminalConfigs {
     @NotNull
     private UUID templateId;
+
     @NotNull
     @Schema(minimum = "1", maximum = "10000")
     private Long templateVersion;
-    @Schema(type = SchemaType.ARRAY, maxItems = 100)
-    private List<String> terminalIds;
+
+   @Schema(type = SchemaType.ARRAY, maxItems = 10000)
+    private List<@NotNull @Size(max=20)String> terminalIds;
 }