n8n-nodes-callrounded

This is an n8n community node that lets you interact with the CallRounded AI Voice Agent API directly from your n8n workflows.

CallRounded is an AI-powered voice agent platform that automates phone calls. With this node, you can trigger calls, manage agents, and retrieve call data programmatically.

n8n is a fair-code licensed workflow automation platform.

Installation

Follow the installation guide in the n8n community nodes documentation.

1. Open your n8n instance
2. Go to Settings > Community Nodes
3. Click Install a community node
4. Enter n8n-nodes-callrounded and click Install

Credentials

You need a CallRounded API key to use this node:

1. Log in to Rounded Studio
2. Click on your profile in the bottom-left corner
3. Select API Keys
4. Click the New Key button in the top-right
5. Give your key a name and copy it

Then in n8n, go to Credentials > New Credential > CallRounded API and paste your key.

Resources

This node supports 5 resources with the following operations:

Call

| Operation | Description | |-----------|-------------| | Start Phone Call | Start a new outbound phone call | | List | List calls with filters and pagination | | Get | Get details of a specific call | | Update | Update call metadata | | Delete | Delete a call | | Terminate | Terminate an ongoing call |

Agent

| Operation | Description | |-----------|-------------| | Create | Create a new voice agent | | Get | Get an agent's configuration | | Update | Update an agent's configuration | | Delete | Delete an agent | | Deploy | Deploy an agent configuration version | | Get Versions | List all configuration versions |

Knowledge Base

| Operation | Description | |-----------|-------------| | Get | Get knowledge base details and sources | | Add Text Sources | Add text content to a knowledge base | | Delete Sources | Remove sources from a knowledge base |

Phone Number

| Operation | Description | |-----------|-------------| | List | List all phone numbers | | Update | Update phone number settings (name, inbound agent, redirect) |

Post-Call Question

| Operation | Description | |-----------|-------------| | List | List all post-call questions for an agent | | Create | Create post-call questions | | Get | Get a specific post-call question | | Update | Update post-call questions | | Delete | Delete a post-call question |

Example Usage

Trigger an outbound call

1. Add a CallRounded node to your workflow
2. Select Resource: Call and Operation: Start Phone Call
3. Fill in:
   • Agent ID: your agent's UUID
   • From Number: your CallRounded phone number (E.164 format, e.g. +33612345678)
   • To Number: the recipient's phone number (E.164 format)
4. Optionally add Dynamic Variables to pass context to the agent

Get call results after completion

1. Add a CallRounded node
2. Select Resource: Call and Operation: Get
3. Enter the Call ID (returned by the Start Phone Call operation or via webhook)
4. The response includes transcript, variable values, duration, and post-call answers

Compatibility

• Requires **n8n version 2.x ** or later
• Tested with n8n 2.x

API Documentation

For full API documentation, visit docs.callrounded.com/api-reference.

License

[MIT]