If you want a chatbot on your Zendesk Help Center that is trained on your own content — your articles, your resolved tickets, your actual support history — this guide walks through how to build one with CustomGPT.ai and embed it directly into your Zendesk pages.

In this blog let’s have a look step-by-step at how you can create and customize your personalized chatbot according to your website data, and embed it into the Zendesk website to enhance customer experience.
Let’s understand the steps with an example of a website-based business that is managed by entrepreneurs to serve an online presence for their business, promote their products and services, connect with customers, and engage with their target audience. They can Embed a custom CustomGPT chatbot into Zendesk for customer support.
Let’s have a look at how you can also do this with a few steps.
Step 1: Create your Custom Chatbot
The connection takes a few steps: create a new agent in CustomGPT.ai, select Zendesk as source, enter your subdomain, and authorize via OAuth. Choose whether to sync your Knowledge Base, your resolved tickets, or both. If your agent will be customer-facing, enable Anonymizer to remove personal identifiers from ticket content before it is stored.
For the full connection walkthrough with screenshots, see How to Build a CustomGPT.ai Agent for Zendesk.
Once your agent is connected and synced, test it before embedding. In the Orbit MIT example, the chatbot was tested against site-specific questions and only embedded after it returned an accurate answer. That is still the right approach — ask questions you already know the answers to, and verify the responses are grounded in your content before it goes live.

This image shows the answer generated by the CustomGPT.ai-powered Zendesk chatbot
The next and final step of this process includes embedding your CustomGPT.ai Zendesk chatbot into Zendesk via the embed widget and Live chat features.
Step 2: Embed your chatbot into Zendesk
To embed your CustomGPT.ai-powered chatbot into Zendesk to make it ready for customer support you need to go to your project settings and click on the sharing button.

After enabling ‘Live Chat’ the following HTML script will be visible to your CustomGPT interface.
Copy this HTML script to embed your chatbot into Zendesk. Now the next part of this final step is to place the HTML script provided by CustomGPT on the Zendesk custom page where you want your chatbot to appear.
To do this you need to follow these steps
- Log in to your Zendesk account. Go to the Help Centre, Within the guide theming editor you can customize the page using the HTML markup and Zendesk curly bars.
- In the Guide theme editor, click the Customize design icon in the sidebar.

- Choose the theme you want to edit and click on customize.

- At the bottom of the editor, you can see the Edit Code option. Click on it.

- Select a custom page by clicking on Add New.

- Enter the filename for your page. This name becomes part of the URL. Click Copy next to the URL field to save the URL to your clipboard. You’ll need it to add the link to other pages.

- Click Add Custom Page and a blank page will appear without content and is listed under the custom-pages section in the sidebar. You can create more custom pages in the same way and add your custom HTML code.

- I am using an Article page which is the default Zendesk page that already contains some HTML text. Now on the Article page, I added the live chat HTML script that was copied from CustomGPT.

In this image, the red box highlights the CustomGPT.ai Live Chat HTML script
- Once you added the HTML script and clicked on the preview, you will be able to see the CustomGPT.ai chat widget appear on the page which means your chatbot is ready to use.

- You can see how the widget appears on the screen. You can adjust the appearance of your chatbot by going into your project settings.

So that’s how you can put your custom chatbot live via the Live Chat feature.
You can see how I embed my chatbot into Zendesk via Live Chat and you can also embed it through the Embed widget feature of CustomGPT by following the same above steps.

Why add a CustomGPT.ai-powered chatbot to Zendesk
Adding a custom chatbot to Zendesk has several benefits.
- Answers from your actual support history, not general AI knowledge: Your agent draws from your Help Center articles and your resolved ticket conversations — not from the internet or general training data. Responses are grounded in your content, not generated from general AI knowledge.
- No developer required: The connection uses OAuth. You enter your subdomain, authorize the account, choose your sources, and the sync runs. No API tokens, no code, no IT ticket.
- Works on all Zendesk plans: The integration is available on every Zendesk subscription tier.
- Customer data stays protected: Anonymizer removes names, emails, and personal identifiers from ticket content before anything is stored. Safe to deploy to customers from day one.
- Stays current automatically: On Enterprise plans, new tickets and updated articles sync automatically. Your agent does not need to be manually updated when your content changes.
Frequently Asked Questions
Does Zendesk already have an AI chatbot, and why add a custom one?
Yes. Zendesk has native AI features. Teams add a CustomGPT.ai agent when they want answers grounded in their own Help Center and resolved ticket history together, with control over tone, branding, and deployment outside of Zendesk. The two are not mutually exclusive.
How can I make sure my Zendesk chatbot is actually using my help center and website content?
Connect only the Zendesk Help Center, resolved ticket history, website pages, and files you want the agent to search. Then test it with questions whose answers already exist in those sources before you embed it in Zendesk.
That source-control workflow is exactly why teams use CustomGPT.ai for internal and customer-facing knowledge.
“Check out CustomGPT.ai where you can dump all your knowledge to automate proposals, customer inquiries and the knowledge base that exists in your head so your team can execute without you.”
Stephanie Warlick, Business Consultant
Can a Zendesk chatbot reduce repetitive tickets without removing human support?
Yes. A Zendesk chatbot can handle repetitive how-to, policy, and FAQ-style questions first, while sending exceptions or account-specific issues to human agents. The safest setup is to use the bot for repeat questions and let agents take over when a case needs judgment, access to private account details, or escalation.
That is the practical value of using your own content as the source of truth.
“I just discovered CustomGPT, and I am absolutely blown away by its capabilities and affordability! This powerful platform allows you to create custom GPT-4 chatbots using your own content…”
Evan Weber, Digital Marketing Expert
How hard is it to add an AI chatbot to Zendesk Help Center?
The connection takes most teams a single session. You create a new agent in CustomGPT.ai, connect your Zendesk account via OAuth with one authorization click and no API keys, choose what to sync, and paste a single line of HTML into your Zendesk Guide theme. The detailed steps are in the guide above.
Can I train a Zendesk chatbot on PowerPoint slides that are mostly images?
Yes, PowerPoint files are supported, including PPTX. If the slides are mostly images, make sure the important information exists as readable text, speaker notes, extracted text, or an exported document the agent can retrieve from. Image-heavy slides may need cleanup before they produce reliable answers.
Can a Zendesk chatbot support customers in multiple languages?
Yes. CustomGPT.ai supports 93+ languages. If you connect one shared knowledge base and embed the bot in Zendesk, you can serve users in multiple languages without maintaining separate bots for every market. Before launch, test your highest-volume support questions in each target language to confirm the answers stay consistent with your source content.
Conclusion
Once your CustomGPT.ai agent is live on Zendesk, the most important next step is to test it with questions your Help Center covers and questions it has never seen. Check that the citations point to the right sources. If the agent returns a wrong answer, the problem is almost always in the source content — a missing article, an outdated ticket, or a gap in your Knowledge Base. Fix the source, and the agent fixes itself on the next sync.
For the full integration reference, see the Zendesk setup guide.
Related Resources
If you’re comparing platforms for AI-powered support, this guide adds useful context.
- CustomGPT.ai Vs LiveChatAI — A concise comparison of features, strengths, and tradeoffs to help you evaluate the right fit for your Zendesk chatbot setup.