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Tools & Workflows

n8n

Self-hostable visual workflow automation platform to trigger business logic, database queries, and CRM sync directly from voice agent events.

Workflow automationToolsWebhooksSelf-hostedIntegrations
Documentation
Where it fits

n8n in your voice stack.

  1. TelephonyPhone networkInbound call
  2. AgentDuetCall + audioAnswer, stream
  3. Speech-to-speechLive modelListens, call functions, replies
  4. Toolsn8nVisual workflows & tools
Overview

What it contributes to the stack.

n8n is a fair-code, self-hostable workflow automation platform that connects with over 400 applications, databases, and APIs.

Connecting AgentDuet voice agents to n8n lets you query internal databases mid-call, trigger CRM updates, dispatch messages, and automate business processes without redeploying voice code.

For setup, credentials, and API details, use the Documentation link above.

Capabilities

The technical characteristics that matter when deciding whether this provider belongs in your application.

Webhook-driven triggers

Dispatches structured JSON payloads to n8n webhooks during or after phone calls.

400+ enterprise connectors

Connects to PostgreSQL, Google Sheets, HubSpot, Salesforce, Stripe, and internal services.

Sub-second tool lookups

Returns structured JSON data back to the voice model to speak answers to callers in real time.

Self-hosted & private

Keeps customer call data and credentials inside your own infrastructure or cloud environment.

Common use cases

Practical scenarios where the provider's role is clear and the surrounding systems remain under application control.

Mid-call database lookups

Retrieve order status, customer records, or account balances to speak back to the caller.

Post-call CRM logging

Automatically save transcripts, call summaries, and extracted metadata into your CRM.

Multi-step notification flows

Alert team channels on Slack and send confirmation emails following a completed call.

Related integrations

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Make

Visual low-code automation platform connecting voice agents to 1,000+ apps, Google Sheets, CRMs, and messaging tools via webhooks.

Visual automationToolsWebhooksNo-codeIntegrations
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MCP

Model Context Protocol for exposing tools to live speech agents over a shared tool surface.

MCPToolsGemini LiveVoice agentsFunction calling
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Google ADK

Google's Agent Development Kit for live agent sessions with tools, specialists, and call-scoped state.

Agent frameworkGoogleMulti-agentToolsLive sessions
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Browse every integration

Build a voice agent.

AgentDuet handles the phone and messaging boundary. Your model runs the conversation.

Explore the SDK