# Using ChatGpt

You can use our ChatGpt voice notes feature to send voice notes on WhatsApp to your customers.

{% embed url="<https://youtu.be/yS_6TCLSSdM>" %}
Sending voice notes on WhatsApp using ChatGpt
{% endembed %}

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**Identifying Webhook URL for sending Voice Notes**\
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Webhook URLs may vary depending on the WhatsApp gateway you’re using.

To find the correct webhook URL for your GHL subaccounts, switch to the subaccount and navigate to...\
&#x20;\
**Settings- Phone Numbers - Advanced Settings**&#x20;

<table><thead><tr><th width="271">SMS Provider Name</th><th>URL</th></tr></thead><tbody><tr><td><strong>WhatsApp Gateway</strong></td><td><code>https://trigger.apimerger.com/chatgpt-voice</code></td></tr><tr><td><strong>WhatsApp Gateway 1</strong></td><td><code>https://trigger1.apimerger.com/chatgpt-voice</code></td></tr><tr><td><strong>WA1 Connector</strong> </td><td><code>https://wa1.apimerger.com/chatgpt-voice</code></td></tr><tr><td><strong>WA2 Connector</strong></td><td><code>https://wa2.apimerger.com/chatgpt-voice</code></td></tr></tbody></table>

**Custom Data Keys**

| Custom Data             | Value                                                                                                                                                                      |
| ----------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **chat\_gpt\_api\_key** | Your ChatGpt Key                                                                                                                                                           |
| **voice**               | <p>Select from any one of the voice models<br> (<code>alloy</code>, <code>echo</code>, <code>fable</code>, <code>onyx</code>, <code>nova</code>, <code>shimmer</code>)</p> |
| **message**             | Your message here which you want to convert from text to speech                                                                                                            |


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.waghl.com/features/sending-voice-notes/voice-notes.md?ask=<question>
```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.