$20 Free Credit to start your first AI call

Voice AI Infrastructure
to grow your revenue.

Launch outbound voice AI calls at scale.
Handle scheduling and callbacks automatically.

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

Founders from

Set up AI-powered call campaigns in seconds.

You don't need to be an expert. Our interface lets you import your data, configure the AI, and launch call campaigns.

contacts.csv

Alice M.

+1 555...

Bob D.

+1 424...

Charlie

+1 650...

Import Data

Upload CSV leads. Automatic mapping of names and numbers.

Voice Model

Sarah (French voice)

Select Voice

Choose from pre-trained realistic voices in more than +50 languages.

Live

00:12:45

Active

1,240

Reachable

22%

View Analytics

Go Live

Watch calls happen in real-time and retrieve information from the call.

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.

Use Cases

Built for the calls
that move the needle.

From booking appointments to collecting payments, deploy AI agents for the use cases that matter most to your business.

Scheduling

Appointment Booking

Your AI agent checks availability and books meetings in real time — directly over the phone.

Calendly, Cal.com, Google Calendar, Outlook Calendar
Handles rescheduling and cancellations
Sends confirmations via SMS or email

Sales

Lead Qualification & Transfer

Qualify inbound or outbound leads with structured questions, then warm-transfer the best ones to your sales team.

Custom qualification criteria per campaign
Warm transfer with full context handoff
Structured data extraction after every call

Support

Information Retrieval

Let callers ask questions and get instant answers pulled from your knowledge base, CRM, or any API.

Connect to your own data sources
Real-time RAG and tool calling
Handles follow-up questions naturally

Automation

IVR Navigation

Deploy AI agents that navigate complex IVR menus and business phone trees to reach the right person or department.

Automated DTMF tone navigation
Handles hold times and transfers
Reach decision-makers at scale

Finance

Debt Collection & Payment Reminders

Automate payment follow-ups with compliant, empathetic conversations that recover revenue without burning bridges.

Configurable reminder sequences
Payment plan negotiation
Compliance-aware scripting

Insights

Customer Surveys & Feedback

Run post-interaction surveys, NPS collection, and feedback calls at scale — with higher response rates than email.

Dynamic question branching
Sentiment detection in real time
Structured results exported instantly

Technology

Plug and play
Voice AI telephony system.

We handle the edge cases, latency, and carrier logic so you can focus on your business operations powered by AI.

EXPERIENCE

Human-like call experience

Sub-second latency and natural conversation flow. Calls feel responsive and human—no robotic delays or awkward pauses.

ORCHESTRATION

Smart Retry Logic

Timezone-aware scheduling. Failed calls are automatically re-queued for the optimal next slot, respecting local business hours.

DATA PROCESSING

Structured Data Extraction

Turn conversations into JSON. Define a schema (interest_level, email, next_step) and receive clean data via webhook immediately.

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

Book a Call

cURL

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
    }
  }'

Ready to scale your
business with voice AI?

Stop building AI from scratch. Start making calls now.

Voice AI Infrastructure to grow your revenue.