diff --git a/frontend/src/lib/components/editor/SimpleCodeEditor.svelte b/frontend/src/lib/components/editor/SimpleCodeEditor.svelte
new file mode 100644
index 0000000..38cf908
--- /dev/null
+++ b/frontend/src/lib/components/editor/SimpleCodeEditor.svelte
@@ -0,0 +1,117 @@
+<script>
+	import { onMount } from 'svelte';
+	import * as monaco from 'monaco-editor';
+	import editorWorker from 'monaco-editor/esm/vs/editor/editor.worker?worker';
+	import jsonWorker from 'monaco-editor/esm/vs/language/json/json.worker?worker';
+
+	export let value = '';
+	export let height = 'medium';
+	export let language = 'json';
+	export let placeholder = '';
+
+	let editor = null;
+	let editorContainer = null;
+
+	const heightClasses = {
+		small: 'h-64',
+		medium: 'h-80',
+		large: 'h-96'
+	};
+
+	onMount(() => {
+		self.MonacoEnvironment = {
+			getWorker: function (_, label) {
+				if (label === 'json') {
+					return new jsonWorker();
+				}
+				return new editorWorker();
+			}
+		};
+
+		editor = monaco.editor.create(editorContainer, {
+			value: value || '',
+			language: language,
+			theme: 'vs-dark',
+			automaticLayout: true,
+			minimap: {
+				enabled: false
+			},
+			scrollBeyondLastLine: false,
+			fontSize: 13,
+			lineNumbers: 'on',
+			folding: true,
+			wordWrap: 'on',
+			contextmenu: true,
+			scrollbar: {
+				horizontal: 'hidden'
+			},
+			quickSuggestions: false,
+			parameterHints: {
+				enabled: false
+			},
+			suggestOnTriggerCharacters: false,
+			acceptSuggestionOnEnter: 'off',
+			tabCompletion: 'off',
+			wordBasedSuggestions: 'off'
+		});
+
+		// Update value when editor content changes
+		editor.getModel().onDidChangeContent(() => {
+			value = editor.getValue();
+		});
+
+		return () => {
+			if (editor) {
+				editor.dispose();
+			}
+		};
+	});
+
+	// Watch for external value changes
+	$: if (editor && value !== undefined && editor.getValue() !== value) {
+		editor.setValue(value || '');
+	}
+
+	let showExample = false;
+
+	const loadExample = () => {
+		if (editor && placeholder) {
+			editor.setValue(placeholder);
+			value = placeholder;
+		}
+		showExample = false;
+	};
+</script>
+
+<div class="w-full">
+	<div
+		bind:this={editorContainer}
+		class="border border-gray-300 rounded-md {heightClasses[height]} w-full"
+	></div>
+	{#if placeholder}
+		<div class="mt-2">
+			<button
+				type="button"
+				on:click={() => (showExample = !showExample)}
+				class="text-xs text-blue-600 hover:text-blue-800 underline focus:outline-none"
+			>
+				{showExample ? 'Hide' : 'Show'} example
+			</button>
+			{#if showExample}
+				<div class="mt-2 p-3 bg-gray-50 border border-gray-200 rounded-md">
+					<div class="flex justify-between items-start mb-2">
+						<span class="text-xs font-medium text-gray-700">Example:</span>
+						<button
+							type="button"
+							on:click={loadExample}
+							class="text-xs text-blue-600 hover:text-blue-800 underline"
+						>
+							Load example
+						</button>
+					</div>
+					<pre class="text-xs text-gray-600 whitespace-pre-wrap">{placeholder}</pre>
+				</div>
+			{/if}
+		</div>
+	{/if}
+</div>
diff --git a/frontend/src/routes/api-sender/+page.svelte b/frontend/src/routes/api-sender/+page.svelte
index 1093325..927746f 100644
--- a/frontend/src/routes/api-sender/+page.svelte
+++ b/frontend/src/routes/api-sender/+page.svelte
@@ -30,6 +30,7 @@
 	import { showIsLoading, hideIsLoading } from '$lib/store/loading.js';
 	import TableDropDownEllipsis from '$lib/components/table/TableDropDownEllipsis.svelte';
 	import DeleteAlert from '$lib/components/modal/DeleteAlert.svelte';
+	import SimpleCodeEditor from '$lib/components/editor/SimpleCodeEditor.svelte';
 
 	// services
 	const appStateService = AppStateService.instance;
@@ -402,7 +403,7 @@
 					</div>
 
 					<!-- Headers and Body Section -->
-					<div class="mb-6 pt-4 pb-2 border-b border-gray-200 w-full">
+					<div class="mb-6 pt-4 pb-2 w-full">
 						<h3 class="text-base font-medium text-pc-darkblue mb-3">Request Details</h3>
 						<div class="space-y-5">
 							<TextareaField
@@ -417,18 +418,25 @@ X-Custom-Header: Hello Friend"
 								toolTipText="Each header should be on a new line in the format 'key: value'"
 								>Request Headers</TextareaField
 							>
-							<TextareaField
-								bind:value={formValues.requestBody}
-								height={'medium'}
-								fullWidth
-								optional
-								placeholder={`{
-  "to": "{.Name}",
-  "from": "{.From}",
+							<div class="flex flex-col py-2 w-full">
+								<div class="flex items-center">
+									<p class="font-bold text-slate-600 py-2">Request Body</p>
+									<div class="bg-gray-100 ml-2 px-2 rounded-md">
+										<p class="text-slate-600 text-xs">optional</p>
+									</div>
+								</div>
+								<SimpleCodeEditor
+									bind:value={formValues.requestBody}
+									height="medium"
+									language="json"
+									placeholder={`{
+  "to": "{{.Name}}",
+  "from": "{{.From}}",
   "subject": "Important Security Alert",
-  "body": "{.Content}"
-}`}>Request Body</TextareaField
-							>
+  "body": "{{.Content}}"
+}`}
+								/>
+							</div>
 						</div>
 					</div>