diff --git a/space_flow/src/components/chatComponent/index.tsx b/space_flow/src/components/chatComponent/index.tsx
index 1b3a90eda..9a29d5e81 100644
--- a/space_flow/src/components/chatComponent/index.tsx
+++ b/space_flow/src/components/chatComponent/index.tsx
@@ -4,15 +4,17 @@ import {
   PaperAirplaneIcon,
   XMarkIcon,
 } from "@heroicons/react/24/outline";
-import { useState } from "react";
+import { useContext, useState } from "react";
 import { sendAll } from "../../controllers/NodesServices";
+import { alertContext } from "../../contexts/alertContext";
 
 const _ = require("lodash");
 
-export default function Chat({ nodes, edges }) {
+export default function Chat({ reactFlowInstance }) {
   const [open, setOpen] = useState(true);
   const [chatValue, setChatValue] = useState("");
   const [chatHistory, setChatHistory] = useState([]);
+  const {setErrorData} = useContext(alertContext);
   const addChatHistory = (message, isSend) => {
     setChatHistory((old) => {
       let newChat = _.cloneDeep(old);
@@ -20,6 +22,12 @@ export default function Chat({ nodes, edges }) {
       return newChat;
     });
   };
+  function validateNodes(){
+    if(reactFlowInstance.getNodes().some((n) => (n.data.node && Object.keys(n.data.node.template).some((t: any) => (n.data.node.template[t].required && !reactFlowInstance.getEdges().some((e) => (e.sourceHandle.split('|')[1] === t && e.sourceHandle.split('|')[2] === n.id))))))){
+      return false;
+    }
+    return true;
+  }
   return (
     <>
       <Transition
@@ -80,14 +88,19 @@ export default function Chat({ nodes, edges }) {
                 <div className="absolute inset-y-0 right-0 flex items-center pr-3">
                   <button
                     onClick={() => {
-                      let message = chatValue;
-                      setChatValue("");
-                      addChatHistory(message, true);
-                      sendAll({
-                        message,
-                        nodes,
-                        edges,
-                      }).then((r) => {addChatHistory(r, false)});
+                      if(validateNodes()){
+                        let message = chatValue;
+                        setChatValue("");
+                        addChatHistory(message, true);
+                        sendAll({
+                          message,
+                          nodes: reactFlowInstance.getNodes(),
+                          edges: reactFlowInstance.getEdges(),
+                        }).then((r) => {addChatHistory(r, false)});
+                      } else {
+                        setErrorData({title: 'Error sending message', list:['There are required fields not filled yet.']})
+                      }
+                      
                     }}
                   >
                     <PaperAirplaneIcon
diff --git a/space_flow/src/controllers/NodesServices/index.ts b/space_flow/src/controllers/NodesServices/index.ts
index f1b0c3a10..f9325279a 100644
--- a/space_flow/src/controllers/NodesServices/index.ts
+++ b/space_flow/src/controllers/NodesServices/index.ts
@@ -6,5 +6,5 @@ export async function getAll() {
 
 export async function sendAll(data) {
     console.log(data);
-    return await axios.post("http://localhost:5003/send", JSON.stringify(data));
+    return await axios.post("http://localhost:5003/load", data);
 }
diff --git a/space_flow/src/pages/FlowPage/components/extraSidebarComponent/index.tsx b/space_flow/src/pages/FlowPage/components/extraSidebarComponent/index.tsx
index bd49574a4..5db6fb5ee 100644
--- a/space_flow/src/pages/FlowPage/components/extraSidebarComponent/index.tsx
+++ b/space_flow/src/pages/FlowPage/components/extraSidebarComponent/index.tsx
@@ -71,6 +71,7 @@ export default function ExtraSidebar() {
                   onDragStart(event, {
                     type: 'elements',
                     name: 'str',
+                    types,
                   })
                 }
               >
@@ -89,6 +90,7 @@ export default function ExtraSidebar() {
                   onDragStart(event, {
                     type: 'elements',
                     name: 'chatInput',
+                    types,
                   })
                 }
               >
@@ -107,6 +109,7 @@ export default function ExtraSidebar() {
                   onDragStart(event, {
                     type: 'elements',
                     name: 'chatOutput',
+                    types,
                   })
                 }
               >
@@ -125,6 +128,7 @@ export default function ExtraSidebar() {
                   onDragStart(event, {
                     type: 'elements',
                     name: 'bool',
+                    types,
                   })
                 }
               >
diff --git a/space_flow/src/pages/FlowPage/index.tsx b/space_flow/src/pages/FlowPage/index.tsx
index 1300eb22a..f7a23faae 100644
--- a/space_flow/src/pages/FlowPage/index.tsx
+++ b/space_flow/src/pages/FlowPage/index.tsx
@@ -99,7 +99,7 @@ export default function FlowPage() {
         <Background />
         <Controls></Controls>
       </ReactFlow>
-      <Chat nodes={nodes} edges={edges}/>
+      <Chat reactFlowInstance={reactFlowInstance}/>
     </div>
   );
 }