From ce40949564d551a81f62afac4de4c36059fdc586 Mon Sep 17 00:00:00 2001
From: Sanjai Kumar <161328623+sanjaikumar-bruno@users.noreply.github.com>
Date: Wed, 8 Oct 2025 17:25:21 +0530
Subject: [PATCH] fix: filter out internal content-type headers for no body
 requests in axiosinstance (#5591)

* fix: filter out internal content-type headers for no body requests in axios instance
---
 .../src/ipc/network/axios-instance.js         |  6 +++++
 .../bruno-electron/src/ipc/network/index.js   | 22 +++++++++++++++++--
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/packages/bruno-electron/src/ipc/network/axios-instance.js b/packages/bruno-electron/src/ipc/network/axios-instance.js
index 1dd180cee..b5a847228 100644
--- a/packages/bruno-electron/src/ipc/network/axios-instance.js
+++ b/packages/bruno-electron/src/ipc/network/axios-instance.js
@@ -126,7 +126,13 @@ function makeAxiosInstance({
       type: 'request',
       message: `${config.method.toUpperCase()} ${config.url}`,
     });
+
     Object.entries(config.headers).forEach(([key, value]) => {
+      // Skip Bruno's internal content-type: false for no body requests
+      if (key.toLowerCase() === 'content-type' && value === false) {
+        return;
+      }
+
       timeline.push({
         timestamp: new Date(),
         type: 'requestHeader',
diff --git a/packages/bruno-electron/src/ipc/network/index.js b/packages/bruno-electron/src/ipc/network/index.js
index 05d3ce748..8c090baf1 100644
--- a/packages/bruno-electron/src/ipc/network/index.js
+++ b/packages/bruno-electron/src/ipc/network/index.js
@@ -613,10 +613,19 @@ const registerNetworkIpc = (mainWindow) => {
       );
 
       const { data: requestData, dataBuffer: requestDataBuffer } = parseDataFromRequest(request);
+
+      // Remove false Content-Type header (used to stop axios from auto-setting it); no Content-Type was actually set or sent.
+      const headersSent = { ...request.headers };
+      Object.keys(headersSent).forEach((key) => {
+        if (key.toLowerCase() === 'content-type' && headersSent[key] === false) {
+          delete headersSent[key];
+        }
+      });
+
       let requestSent = {
         url: request.url,
         method: request.method,
-        headers: request.headers,
+        headers: headersSent,
         data: requestData,
         dataBuffer: requestDataBuffer
       }
@@ -1090,10 +1099,19 @@ const registerNetworkIpc = (mainWindow) => {
             }
 
             const { data: requestData, dataBuffer: requestDataBuffer } = parseDataFromRequest(request);
+
+            // Remove false Content-Type header (used to stop axios from auto-setting it); no Content-Type was actually set or sent.
+            const headersSent = { ...request.headers };
+            Object.keys(headersSent).forEach((key) => {
+              if (key.toLowerCase() === 'content-type' && headersSent[key] === false) {
+                delete headersSent[key];
+              }
+            });
+
             let requestSent = {
               url: request.url,
               method: request.method,
-              headers: request.headers,
+              headers: headersSent,
               data: requestData,
               dataBuffer: requestDataBuffer
             }