> For the complete documentation index, see [llms.txt](https://help.inboxhour.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.inboxhour.com/api-channel-integration/how-to-integrate-with-openai-chatgpt.md).
# How To Integrate With OpenAI (ChatGPT)
Go to the API channels menu and click the Open AI tab. The Open AI (ChatGPT) integration feature is only available for the **Standard** and **Premium** plans only.
Then, scroll down and you can see the OpenAI option. Just click the OpenAI option.
Then, fill in the OpenAI API secret key. You can get this secret key from the OpenAI website. Check the tutorial below on how to get the secret key.
**Instruction to AI**: you can use the default instruction or you can create your own instruction. This is to teach general instruction to your AI.
**Models**: choose your ChatGPT Models.
Then, click save when you're done.
### How to get the OpenAI secret key
Firstly, you need to have an OpenAI account. If you don't have it, you can sign up for an account at this link:
After login to the OpenAI account, go to your profile and click on the **View API Keys**
Then, click on the **Create New Secret Key** button to generate your API key.
A popup with your secret key will appear. Just copy this secret key and put it in the setting in the Inboxhour system as in the previous step.
Now you can use the AI reply in the flow builder feature.
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