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I want to Use Grok 4 as a TTS
# support
h
I want to Use Grok 4 as a TTS
c
Hi there, Thank you for your message. Our team is currently out of the office. We operate Monday through Friday, from 9:00 AM to 8:00 PM Pacific Standard Time (PST). We’ll get back to you as soon as possible during our normal business hours. If your message is urgent, please mark it accordingly or include “URGENT” in the subject line, and we’ll do our best to respond promptly. Warm regards, Vapi Customer Support Team
Hi Hassen, To use Grok 4 as a TTS provider, you will need to configure your assistant's voice settings to integrate Grok 4. Although there is no specific mention of "Grok 4" in the latest updates, you can typically configure third-party voice services by adjusting the assistant voice properties. 1. Navigate to your assistant configuration. 2. Use 
assistant.voice
to specify your TTS provider. 3. Set the relevant properties for Grok 4 according to their specifications. If you need more detailed instructions or if Grok 4 requires specific configuration settings, please refer to their documentation for precise setup details.
h
I'm using workflow. Can you please provide a tutorial or a link on how to do it?
c
You can use this in your request payload to the API for updating or creating a workflow:
Copy code
{
  "voice": {
    "provider": "custom-voice",
    "server": {
      "url": "https://your-voice-server.com/generate",
      "secret": "your-server-secret"
    }
  }
}
Here is a link to the documentation: If you would like additional support to update an existing workflow or if you need an example of a cURL request payload, please reach out
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