diff --git a/.gitignore b/.gitignore
index bdaab25..67fd8ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,4 @@
 env/
+.venv/
+.vscode/
+local/
diff --git a/handler.py b/handler.py
index 814bc8c..e837534 100644
--- a/handler.py
+++ b/handler.py
@@ -78,7 +78,10 @@ def handle(event: str, context=None):
             result = dict(error=e.message)
             http_code_response = 500
     elif payload["action"] == ActionType.GET_LINK_HANDLE:
-        get_link_handle_payload = validate(GetLinkHandleValidator())
+        get_link_handle_payload = validate(
+            GetLinkHandleValidator(),
+            payload["input"],
+        )
         try:
             result = actions.get_link_handle(
                 get_link_handle_payload["link_type"],
@@ -124,7 +127,7 @@ def handle(event: str, context=None):
         result = actions.get_matched_links(
             get_matched_links_payload["link_type"],
             get_matched_links_payload["target_handles"],
-            get_matched_links_payload["extra_parameters"],
+            payload["input"].get("extra_parameters"),
         )
     elif payload["action"] == ActionType.GET_ALL_NODES:
         get_all_nodes_payload = validate(
@@ -133,7 +136,7 @@ def handle(event: str, context=None):
         )
         try:
             result = actions.get_all_nodes(
-                get_all_nodes_payload["link_type"],
+                get_all_nodes_payload["node_type"],
                 get_all_nodes_payload["names"],
             )
         except ValueError as e:
@@ -150,7 +153,7 @@ def handle(event: str, context=None):
         try:
             result = actions.get_matched_type_template(
                 get_matched_type_template_payload["template"],
-                get_matched_type_template_payload["extra_parameters"],
+                payload["input"].get("extra_parameters"),
             )
         except ValueError as e:
             result = dict(error=e.message)
@@ -166,7 +169,7 @@ def handle(event: str, context=None):
         try:
             result = actions.get_matched_type(
                 get_matched_type_payload["link_type"],
-                get_matched_type_payload["extra_parameters"],
+                payload["input"].get("extra_parameters"),
             )
         except Exception as e:
             result = dict(error=e.message)
@@ -211,11 +214,9 @@ def handle(event: str, context=None):
             result = dict(error=e.message)
             http_code_response = 500
     elif payload["action"] == ActionType.GET_ATOM_AS_DEEP_REPRESENTATION:
-        get_atom_as_deep_representation_payload = (
-            actions.get_atom_as_deep_representation(
-                GetAtomAsDeepRepresentationValidator(),
-                payload["input"],
-            )
+        get_atom_as_deep_representation_payload = validate(
+            GetAtomAsDeepRepresentationValidator(),
+            payload["input"],
         )
         try:
             result = actions.get_atom_as_deep_representation(
diff --git a/validators/actions.py b/validators/actions.py
index 5e3dbed..db895d9 100644
--- a/validators/actions.py
+++ b/validators/actions.py
@@ -23,7 +23,7 @@ class GetLinkHandleValidator(PayloadValidator):
 
 
 class GetLinkTargetsValidator(PayloadValidator):
-    target_handle = datatypes.String()
+    link_handle = datatypes.String()
 
 
 class IsOrderedValidator(PayloadValidator):
@@ -33,22 +33,22 @@ class IsOrderedValidator(PayloadValidator):
 class GetMatchedLinksValidator(PayloadValidator):
     link_type = datatypes.String()
     target_handles = datatypes.Array()
-    extra_parameters = datatypes.JSON(validate_dict)
+    #extra_parameters = datatypes.JSON(validate_dict)
 
 
 class GetAllNodeValidator(PayloadValidator):
-    link_type = datatypes.String()
+    node_type = datatypes.String()
     names = datatypes.Boolean()
 
 
 class GetMatchedTypeTemplateValidator(PayloadValidator):
     template = datatypes.Array()
-    extra_parameters = datatypes.JSON(validate_dict)
+    #extra_parameters = datatypes.JSON(validate_dict)
 
 
 class GetMatchedTypeValidator(PayloadValidator):
     link_type = datatypes.String()
-    extra_parameters = datatypes.JSON(validate_dict)
+    #extra_parameters = datatypes.JSON(validate_dict)
 
 
 class GetNodeNameValidator(PayloadValidator):