logo
$3M raised|Backed by Seedcamp

Reach your customers
with voice AI agents.

Your number is used only for this demo and is never stored.

Outwork
Draft'n run
Blynt AIBlynt AI
Seedcamp
Kima Ventures
Drysdale
Purple
Weekend Fund
Outwork
Draft'n run
Blynt AIBlynt AI
Seedcamp
Kima Ventures
Drysdale
Purple
Weekend Fund
Outwork
Draft'n run
Blynt AIBlynt AI
Seedcamp
Kima Ventures
Drysdale
Purple
Weekend Fund
Outwork
Draft'n run
Blynt AIBlynt AI
Seedcamp
Kima Ventures
Drysdale
Purple
Weekend Fund

Launch call campaigns in seconds.

revox / assistants / new

Create Assistant

Configure a new AI assistant.

Lucy - Payment Reminders
Voice Settings
Sarah (English)
You are Lucy, a virtual agent working for Microsoft. You are calling a client about an outstanding invoice. Be friendly and understanding. Ask if they received the invoice and if there are any issues preventing payment...
Features

Everything you need to automate calls at scale.

From outbound campaigns to live transfers, every feature is built for production-grade voice AI.

Telephony

Outbound & Inbound Calls

Crystal-clear voice quality on every call. Launch outbound campaigns or receive inbound calls — all handled by your AI agent with carrier-grade reliability.

Performance

Ultra-Low Latency

Sub-second response times that make conversations feel natural. No awkward pauses, no robotic delays — just fluid, human-like dialogue.

Operations

Campaign Management

Upload contact lists, define call scripts, and launch campaigns at scale. Track progress, results, and analytics from a single dashboard.

Scheduling

Calendly Integration

Let your AI agent book appointments directly on your Calendly. Leads and contacts schedule meetings over the phone — no links, no follow-ups needed.

Handoff

Warm Transfer to Human Agents

Seamlessly transfer qualified leads to your team. Your human agent receives full conversation context — no repetition, no lost information.

Integrations

Connects to the tools your team already uses.

Calendar, CRM, spreadsheets, automation platforms — Revox plugs into your stack so every call drives action.

Google Calendar logo

Google Calendar

Calendar

Calendly logo

Calendly

Calendar

Cal.com logo

Cal.com

Calendar

HubSpot logo

HubSpot

CRM

Salesforce logo

Salesforce

CRM

Google Sheets logo

Google Sheets

Spreadsheet

Excel logo

Excel

Spreadsheet

n8n logo

n8n

Automation

Make logo

Make

Automation

Twilio logo

Twilio

Telephony

Live integrations

Custom integrations available via API & webhooks

Solution

Built for developers,
powered by AI.

Integrate voice AI into your application with a single HTTP request. Get real-time webhooks, sub-500ms latency, and comprehensive call analytics.

<500ms Latency
Call Analytics
Human-like experience
Typed API
Revox LogocURL
curl -X POST https://getrevox.com/api/call \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "phone_number": "+3363456789",
    "assistant": {
      "prompt": "You are a virtual assistant calling candidates to inform them about a job opportunity.",
      "first_sentence": "Hi, this is Sarah from TechCorp. Do you have a moment?",
      "webhook_url": "https://your-app.com/webhooks/call-completed"
    },
    "call_retry_config": {
      "calling_window_start_time": "09:00",
      "calling_window_end_time": "18:00",
      "retry_delay_seconds": 7200,
      "max_retry_attempts": 3
    }
  }'
Security & Compliance

Enterprise-ready infrastructure.

Your data is protected by design. We build for regulated industries and take security seriously at every layer.

AI Guardrails

Built-in safeguards

Built-in safeguards ensure AI outputs stay on-brand, compliant, and within your defined boundaries. No hallucinations, no drift—just controlled, reliable automation.

Certifications

Trust & compliance

GDPR Compliant
SOC 2 Type IIIn progress
FAQ

Frequently asked questions.

Everything you need to know about Revox and how it works.

Revox is a voice AI platform that lets you deploy human-sounding AI agents to make and receive phone calls at scale — from debt collection to appointment booking — without writing a single line of code.

No. You can build, configure, and launch AI voice agents entirely from the dashboard with no code required. For teams that want deeper control, we also offer a full API.

Yes. Revox integrates with your existing telephony via SIP trunking, so you can keep your current numbers and infrastructure.

Yes. Revox supports warm transfers — when a live conversation needs a human touch, the AI seamlessly connects the caller to your team with full context, so the handoff feels natural and nothing is lost.

Revox is purpose-built for outbound calls. While most platforms focus on inbound support, Revox is designed from the ground up to maximize reachability — with smart retries, timezone-aware scheduling, and voicemail detection — so your agents spend time talking to real people, not ringing into the void. Check out how we compare.

Ready to scale your business with voice AI?

Stop building AI from scratch. Start making calls now.

Book a Call
Revox - AI-Powered Outbound Calls at Scale