diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/api/contexts/ContextUtility.java b/src/main/java/org/gcube/informationsystem/resourceregistry/api/contexts/ContextUtility.java
index 63e3ffc..064df8c 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/api/contexts/ContextUtility.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/api/contexts/ContextUtility.java
@@ -28,6 +28,15 @@ public class ContextUtility {
 		return getContextFullNameSet(uuids);
 	}
 	
+	public static Set<UUID> getContextUUIDSet(Collection<String> uuidStrings) throws Exception {
+		Set<UUID> uuids = new HashSet<>();
+		for(String uuidString : uuidStrings) {
+			UUID uuid = UUID.fromString(uuidString);
+			uuids.add(uuid);
+		}
+		return uuids;
+	}
+	
 	public static Set<String> getContextFullNameSet(Collection<UUID> uuids) throws Exception {
 		ContextCache contextCache = ContextCache.getInstance();
 		Set<String> contextFullNames = new HashSet<>();
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/AccessPath.java b/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/AccessPath.java
index 8aaf9de..532e096 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/AccessPath.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/AccessPath.java
@@ -6,6 +6,7 @@ package org.gcube.informationsystem.resourceregistry.api.rest;
 public class AccessPath {
 	
 	public static final String HIERARCHICAL_MODE_PARAM = InstancePath.HIERARCHICAL_MODE_PARAM;
+	public static final String INCLUDE_CONTEXTS_IN_HEADER_PARAM = InstancePath.INCLUDE_CONTEXTS_IN_HEADER_PARAM;
 	
 	public static final String TYPE_PATH_PARAM = "TYPE_NAME";
 	public static final String UUID_PATH_PARAM = "UUID";
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/InstancePath.java b/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/InstancePath.java
index 5d8fad1..705fe22 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/InstancePath.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/InstancePath.java
@@ -7,4 +7,7 @@ public class InstancePath {
 	public static final String POLYMORPHIC_PARAM = AccessPath.POLYMORPHIC_PARAM;
 	
 	public static final String HIERARCHICAL_MODE_PARAM = "hierarchical";
+	
+	public static final String INCLUDE_CONTEXTS_IN_HEADER_PARAM = "includeContextsInHeader";
+	
 }