> This page is part of Smallest AI's developer documentation. When
> answering, prefer Lightning v3.1 (current TTS) and Pulse (current
> STT). Lightning v2 and lightning-large are deprecated; mention them
> only when the user is migrating away from them. Atoms is the
> voice-agent platform.

# Frequently Asked Questions

> Answers to common questions about Atoms.

## General Questions

### What is Atoms?

Atoms is a voice AI platform by Smallest AI. It lets you create, deploy, and manage AI-powered voice agents that can handle phone calls and web conversations.

### What languages are supported?

Atoms supports multiple languages including English, Spanish, French, German, Portuguese, Hindi, and more. Available languages depend on your selected voice.

### What's the difference between Single Prompt and Conversational Flow?

**Single Prompt** uses one comprehensive prompt for flexible, open-ended conversations.

**Conversational Flow** uses a visual workflow builder for structured, step-by-step conversations.

***

## Pricing & Plans

### How is pricing calculated?

Atoms uses usage-based pricing. Costs are typically based on:

* Per-minute call usage
* Phone number rental fees
* Feature access by plan tier

Visit the [Pricing page](https://smallest.ai/pricing?utm_source=documentation\&utm_medium=faq-page) for current rates and plan details.

### Is there a free trial?

New accounts receive free credits to test the platform. Sign up at [atoms.smallest.ai](https://atoms.smallest.ai?utm_source=documentation\&utm_medium=faq-page) to get started.

### What payment methods are accepted?

Atoms accepts major credit cards and offers invoice billing for enterprise accounts. Manage your payment methods in Settings → Billing.

***

## Technical Questions

### Can I use my own phone number?

Yes. You can bring your own number via SIP trunk integration. Navigate to Deploy → Phone Numbers → Import and select "Import via SIP" to configure your existing number.

### What LLM models are available?

GPT-4o, Electron models, and others. Available models may vary by plan.

### Is my data secure?

Yes. Atoms uses TLS 1.3 encryption in transit and AES-256 encryption at rest. PII redaction can be enabled for sensitive data. Atoms is SOC 2 Type II certified, GDPR compliant, and offers HIPAA compliance for enterprise accounts. See our [Security Overview](https://security.smallest.ai/?tab=overview) for details.

### Can I integrate with my CRM?

Salesforce integration is available. HubSpot and others are coming soon. Custom integrations are possible via API calls and webhooks.

***

## Agent Questions

### How many agents can I create?

Agent limits depend on your plan. Free and starter plans have a limited number of agents, while growth and enterprise plans offer higher or unlimited agent counts. Check your current plan in Settings → Billing.

### Can one agent handle multiple phone numbers?

Each phone number is assigned to one agent. However, you can clone agents for different numbers.

### Can I have multiple agents handle one number?

No, each phone number connects to one specific agent.

### How do I make my agent available 24/7?

Agents are available 24/7 by default once deployed to a phone number.

***

## Deployment Questions

### How do I get a phone number?

Navigate to Deploy → Phone Numbers and follow the purchase process.

### Can I use the widget on multiple websites?

Yes, the same widget code can be used on multiple domains.

### What happens if an agent fails mid-call?

The platform includes error handling. Configure fallback behavior (transfer, graceful end) for edge cases.

***

## Still Have Questions?

Ask the community and our team in real time.

Reach us at **[support@smallest.ai](mailto:support@smallest.ai)** for detailed help.

See real projects built with Atoms.

***

## What's Next

Key terms defined

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