> 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. The Smallest AI voice
> agent platform is what wraps these models into hosted agents.

# Integrations

> Connect your agent to third-party services.

Integrations let your agent connect directly to external services like CRMs — without custom API configuration. Click, authenticate, and you're connected.

**Location:** Left Sidebar → Integrations

<img src="https://fdr-prod-docs-files-public.s3.us-east-1.amazonaws.com/smallest-ai.docs.buildwithfern.com/8549ff827142c3ebd4dbb2fe9a6c8841d8f2ae6942010e13a68b925491d6f363/products/atoms/pages/platform/building-agents/images/integrations.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6KXJSKKNFOCF7G4B%2F20260725%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20260725T060110Z&X-Amz-Expires=604800&X-Amz-Signature=d2c1e3f43e18dcfd575a74450a91608a10b4b057cac82047438a21e0cb318c84&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject" alt="Integrations page" />

***

## Available Integrations

We support integrations with Salesforce, Zendesk, Zoho, Fiserv, TSYS, and more.

Some integrations (like Salesforce) are available to install directly. Others show **Talk to Sales** — reach out and we'll enable them for your account.

***

## Connecting Salesforce

#### Click Install

Find Salesforce on the integrations page and click **Install**.

#### Enter Your Subdomain

Enter your Salesforce subdomain (the part before `.my.salesforce.com`).

<img src="https://fdr-prod-docs-files-public.s3.us-east-1.amazonaws.com/smallest-ai.docs.buildwithfern.com/52df57d5d90cf1b128b254f65d583621b114a40c3a872df5cb58234fb455a7f7/products/atoms/pages/platform/building-agents/images/salesforce-connect.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6KXJSKKNFOCF7G4B%2F20260725%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20260725T060110Z&X-Amz-Expires=604800&X-Amz-Signature=e843e619cfb500b7cf0d8e1fec97491f81352235aa52396806b78a09565ba112&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject" alt="Salesforce subdomain modal" />

#### Authenticate

Follow the prompts to log in and authorize the connection.

Once connected, your agent can sync with Salesforce automatically.

***

## Need Something Else?

For services not listed, use [API Calls](/voice-agents/platform/create-agent/agent-config) to connect to any REST API.

#### [Create Agent](/voice-agents/platform/create-agent/agent-config)

Connect to any external service via API Calls

#### [Webhooks](/voice-agents/platform/create-agent/developer/webhooks)

Send data when events happen