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Vapi demo Configure a Vapi assistant to use Rime for speech. Vapi handles telephony and orchestration; this guide covers the model, voice, transcriber, publishing, and optional bring-your-own-key settings.

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Prerequisites

To follow this guide, you need:

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Step 1: Create the assistant

From the Vapi Dashboard, navigate to Assistants and click Create Assistant. Vapi assistants page with Create Assistant button

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1.1 Select a template

Give your assistant a name, select Blank Template, and click Create Assistant. Create assistant modal

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1.2 Configure the model

In the Model tab, select your preferred LLM provider. Any option should work, but models with lower latency enable better conversational flow. Add a First Message to enable your assistant to begin conversations. Configure a System Prompt to define your agent’s personality and behavior. The system prompt can be as complex or simple as you like. For example:
Alternatively, use the Generate button and get AI help to create a well-structured prompt. Model tab configuration

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1.3 Configure the voice

In the Voice tab, configure your assistant to use Rime AI as the Provider. Select the Voice that you want your assistant to use. See the Voices page for the Rime catalog. Set the Model to Arcana. Voice tab with Rime AI provider selected

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1.4 Configure the transcriber

Finally, in the Transcriber tab, select your preferred speech-to-text (STT) Provider and click Publish. Transcriber tab configuration

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1.5 Publish the assistant

In the publishing popup window, select Skip and Publish. Publish popup window

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Step 2: Add your API keys to Vapi (optional)

Vapi provides API access to all its supported models via its billing plans. However, if you already have a subscription plan for one or more of your assistant’s configured providers, you can enable the assistant to access them instead of using integrated Vapi billing: Under the Build heading, click More and select Integrations. Then, find your providers and add your API keys. Integrations Vapi stores provider keys under Integrations and makes them available to your assistants. Rime API key integration

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Step 3: Test your assistant

The assistant is now configured to use Rime speech. Click Talk to Assistant in the dashboard to start a conversation in your browser. Vapi demo

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Extend the assistant

Available extensions include:
  • Try different voices: Audition other voices like celeste, orion, and andromeda at app.rime.ai.
  • Add a phone number: Provision a contact number in the Vapi dashboard and assign it to your assistant for telephony
  • Create a workflow: Program your assistant to do complex tasks using Vapi Workflows.
  • Customize the personality: Update the system prompt to match your use case.