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n8n-nodes-nexavoxa
An n8n community node for NexaVoxa — AI voice agents that make and
answer phone calls.
Use it to place outbound calls from a workflow, pull transcripts and outcomes back out, and
manage agents and phone numbers without hand-writing HTTP requests.
n8n is a fair-code licensed
workflow automation platform.
Installation · Credentials · Operations ·
Compatibility · Resources
Installation
Follow the
community nodes installation guide
and install n8n-nodes-nexavoxa.
Credentials
You need a NexaVoxa account and an API key.
- Sign in at nexavoxa.com.
- Open Dashboard → Developers and create an API key. Keys start with
nxa_. - Choose the scopes the key needs. A key created without selecting scopes gets full access,
which is rarely what you want for an automation —agents:readandcalls:writecover
most workflows. - In n8n, create a NexaVoxa API credential and paste the key.
Leave Base URL at https://api.nexavoxa.com unless NexaVoxa has told you otherwise.
Use Test on the credential before building anything. A failure there is a key problem; a
failure later is usually a scope problem — the API answers 403 insufficient_scope and
names the scope it wanted.
Operations
Agent
| Operation | What it does |
|---|---|
| Create | Build an agent from a template, or from a plain-English description |
| Get | Fetch one agent |
| Get Many | List your agents, newest first |
| Update | Change an agent's name, prompt, language or call limit |
| Delete | Permanently remove an agent |
Call
| Operation | What it does |
|---|---|
| Create | Have an agent telephone someone |
| Get | Fetch a call, including its transcript once analysis has finished |
| Get Many | List your calls, newest first |
| Delete | Erase a call's recording and transcript |
Phone Number
| Operation | What it does |
|---|---|
| Get Many | List the numbers on your account |
| Get Available | Search numbers available to buy |
| Purchase | Buy a number |
| Assign to Agent | Route calls on a number to an agent |
Two things worth knowing before you build
Create Call returns immediately. It gives you a call ID and a queued status — the call
itself happens afterwards and often takes minutes. A workflow that places a call and reads
the transcript in the next node will find nothing there.
Either poll Get Call until its status is completed, or subscribe to NexaVoxa's webhooks
and trigger a second workflow from call.ended.
Purchasing a number charges your wallet, and the charge is not reversible. Worth knowing
before putting that operation inside a loop.
Compatibility
Requires n8n running on Node.js 22 or later. Built against the NexaVoxa public API version2026-09-01.