---
title: "Comment by Nicolas Pilot on \"APEX_WEB_SERVICE The Definitive Guide\" | Hashnode"
description: "Hi Jon, Very nice guide. Many thanks for that. I think there is a small typo in the Clearing Existing HTTP Headers section. In Option 1, you have : apex_web_ser"
url: "https://hashnode.com/posts/apexwebservice-the-definitive-guide/65a92ca47fcab2cafb794b34/comment/67f5f2eaa7690207053b3cb0"
---

[Discussion](https://hashnode.com/posts/apexwebservice-the-definitive-guide/65a92ca47fcab2cafb794b34)

Comment [APEX\_WEB\_SERVICE The Definitive Guide](https://hashnode.com/posts/apexwebservice-the-definitive-guide/65a92ca47fcab2cafb794b34)

[Nicolas Pilot](https://hashnode.com/@NPilot)

[Apr 9, 2025](https://hashnode.com/posts/apexwebservice-the-definitive-guide/65a92ca47fcab2cafb794b34/comment/67f5f2eaa7690207053b3cb0)

Hi Jon, Very nice guide. Many thanks for that. I think there is a small typo in the Clearing Existing HTTP Headers section. In Option 1, you have : apex\_web\_service.set\_request\_headers; instead of apex\_web\_service.clear\_request\_headers;

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1744171731331/91cf3bdd-6221-437d-a430-a2703135cf4b.png)