diff --git a/src/routes/index.ts b/src/routes/index.ts
index 1a48794..7fd6d54 100644
--- a/src/routes/index.ts
+++ b/src/routes/index.ts
@@ -1,3 +1,4 @@
+import { getBodyBuffer } from '@/utils/body';
 import {
   getProxyHeaders,
   getAfterResponseHeaders,
@@ -11,7 +12,7 @@ export default defineEventHandler(async (event) => {
   // parse destination URL
   const destination = getQuery<{ destination?: string }>(event).destination;
   if (!destination)
-    return sendJson({
+    return await sendJson({
       event,
       status: 400,
       data: {
@@ -19,12 +20,16 @@ export default defineEventHandler(async (event) => {
       },
     });
 
+  // read body
+  const body = await getBodyBuffer(event);
+
   // proxy
   cleanupHeadersBeforeProxy(event);
   await proxyRequest(event, destination, {
     fetchOptions: {
       redirect: 'follow',
       headers: getProxyHeaders(event.headers),
+      body,
     },
     onResponse(outputEvent, response) {
       const headers = getAfterResponseHeaders(response.headers, response.url);
diff --git a/src/utils/body.ts b/src/utils/body.ts
new file mode 100644
index 0000000..9f10d08
--- /dev/null
+++ b/src/utils/body.ts
@@ -0,0 +1,13 @@
+import { H3Event } from 'h3';
+
+export function hasBody(event: H3Event) {
+  const method = event.method.toUpperCase();
+  return ['PUT', 'POST', 'PATCH', 'DELETE'].includes(method);
+}
+
+export async function getBodyBuffer(
+  event: H3Event,
+): Promise<Buffer | undefined> {
+  if (!hasBody(event)) return;
+  return await readRawBody(event, false);
+}
diff --git a/src/utils/sending.ts b/src/utils/sending.ts
index 2b882f0..145015b 100644
--- a/src/utils/sending.ts
+++ b/src/utils/sending.ts
@@ -1,11 +1,10 @@
 import { H3Event, EventHandlerRequest } from 'h3';
 
-export function sendJson(ops: {
+export async function sendJson(ops: {
   event: H3Event<EventHandlerRequest>;
   data: Record<string, any>;
   status?: number;
 }) {
   setResponseStatus(ops.event, ops.status ?? 200);
-  appendResponseHeader(ops.event, 'content-type', 'application/json');
-  send(ops.event, JSON.stringify(ops.data, null, 2));
+  await send(ops.event, JSON.stringify(ops.data, null, 2), 'application/json');
 }