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Hellio
AI voice agents for outbound sales

Your cold‑call script,
dialing 24/7.

Generate a compliant script, turn it into a natural-sounding AI caller, and let it work your lead list — while you watch transcripts and booked demos roll in.

Start Free — 10 Minutes Generate a Sample Script

Hellio: the AI caller that says hello for you, and books the meeting.

No card required · First test call in under 10 minutes

Alex → Jordan Lee

Northwind · +1 (415) •••-0100

Live

  1. Prospect: Honestly? A lot of copy-paste every Monday.

  2. Agent: That's what we hear most. Would a quick 15-minute demo make sense — Tuesday or Wednesday?

  3. Prospect: Wednesday works.

  4. Agent: Great — I'll send the invite to jordan@northwind.io. Did I get that right?

02:14 · $0.49 est.Outcome: Demo Booked
signup to first call
< 10 min
signup to first call
local numbers
US · CA · UK+
local numbers
typical response latency
800 ms
typical response latency
calls logged & transcribed
100%
calls logged & transcribed

How It Works

From idea to live calls in four steps.

  1. 01

    Describe your offer

    Company, website, offer, country and tone. Paste your own script or let AI write it.

  2. 02

    Pick a voice & number

    Choose a stock voice or clone your own. Buy a local US/CA number in one click.

  3. 03

    Upload leads

    Drop a CSV (name, phone, timezone). DNC and quiet hours are checked automatically.

  4. 04

    Launch & review

    Calls go out in parallel. Read transcripts, play recordings, see booked demos.

Features

Everything an outbound team needs. Nothing it doesn’t.

AI script builder with versions

Opener, permission, pain hook, discovery, value, soft close, objections and voicemail — generated from your facts only. Edit, version, publish.

# Opener
"Hi, is this {{name}}? This is Alex from Acme.
 Have you got a minute?"

# Objection — "Send me an email"
"Happy to. So it's relevant, what's the one
 thing you'd want it to cover?"

Compliance built in

Honest AI disclosure, auto-DNC on opt-out, quiet hours by lead timezone.

Stock or cloned voices

Dozens of phone-tuned voices, or clone yours from a 60-second sample.

Knowledge base

FAQs, docs and your website — so answers are accurate, not invented.

Local numbers

Buy US/CA instantly; UK, AU and EU numbers after a quick verification.

Live analytics

Connect rate, minutes, spend and outcomes per campaign.

Real demo booking

When a prospect says yes, the agent confirms their email and books a real slot via Cal.com — no fake promises.

Sample Script

See your script before you sign up.

Type your company and offer — the full agent prompt updates live.

Try the Script Generator

Unknown facts (pricing, proof) are marked “team will follow up” — the agent never invents them.

# Persona
You are Alex, a friendly, confident outbound caller for Acme Analytics. Target market: US.

# Opener (say exactly)
"Hi, is this {{name}}? This is Alex from Acme Analytics. Have you got a minute?"

# Permission
If they say yes: "Thanks - I'll be quick, 30 seconds and you can tell me if it's relevant."
If they say no / busy: offer a callback time, confirm it, end politely.

# Pain hook
"We work with ops leaders at 20–200 person companies who struggle to follow up with every lead."

# Discovery (ask 1-2, then listen)
- "How are you handling that today?"
- "What would it be worth if that ran on autopilot?"

# Value
Live dashboards that replace weekly spreadsheet reports.
Proof: (not provided - say the team will follow up)
Pricing: (not provided - say the team will follow up)

# Soft close
"Would a quick 15-minute demo make sense - would Tuesday or Wednesday work better?" Read back their email/phone to confirm.

# Objections
- Busy: "Totally get it - when's a better 2 minutes, later today or tomorrow?"
- Send me an email: "Happy to. So it's relevant, what's the one thing you'd want it to cover?" Confirm email by reading it back.
- Already have a tool: "Makes sense - most of our customers did too. What would you change about it if you could?"
- Price: "Fair question. The team will send exact pricing. Most people want to see it first - worth 15 minutes?"
- Not interested: "No problem at all, thanks for your time." End the call.

# Voicemail (one message, then hang up)
"Hi {{name}}, it's Alex from Acme Analytics. Live dashboards that replace weekly spreadsheet reports. I'll send a quick note - or call back at this number. Thanks!"

# Rules (always)
- If asked "are you a robot / AI?", answer honestly: yes, you are an AI assistant calling for Acme Analytics.
- If they say stop, remove me, do not call: apologise, confirm, say "OPT_OUT_CONFIRMED", end call.
- Never invent features, prices, integrations or customers. Unknown = "the team will follow up".
- Stop talking when the prospect speaks. Keep turns under 2 sentences. Max ~8 minutes.
- Classify outcome: interested | demo_booked | callback | not_interested | dnc.

What Customers Say

Built for founders, agencies & small sales teams.

Placeholder testimonials — replace with real customer quotes before launch.

Placeholder
“We replaced two hours of daily dialing with one campaign.”
Placeholder Name · Founder, B2B SaaS
Placeholder
“Our clients get booked demos while we sleep.”
Placeholder Name · Agency Owner
Placeholder
“The DNC and quiet-hours checks gave us peace of mind.”
Placeholder Name · Sales Lead, Local Services

Pricing

Simple plans. Minutes included.

Weekly or monthly. Quotas reset every billing period. Cancel anytime.

Starter

$89/month

150 call minutes / month · ≈59¢/min

  • 1 phone number (US/CA)
  • 2 concurrent calls
  • Script builder + versions
  • Call logs, recordings & transcripts
  • Manual one-by-one calling with live transcripts
  • Bulk calling: 50 automated calls/day
Start With Starter
Most Popular

Growth

$179/month

400 call minutes / month · ≈45¢/min

  • 1 phone number (US/CA)
  • 3 concurrent calls
  • Knowledge base per agent
  • Voice cloning (with consent)
  • Manual one-by-one calling with live transcripts
  • Bulk calling: 150 automated calls/day
Start With Growth

Pro

$349/month

900 call minutes / month · ≈39¢/min

  • 2 phone numbers (US/CA)
  • 5 concurrent calls
  • Everything in Growth
  • Priority support
  • Manual one-by-one calling with live transcripts
  • Bulk calling: 400 automated calls/day
Start With Pro
Bulk add-on · $35/month → up to 200 automated bulk calls/day. Upload a lead list and Hellio dials it for you. For monthly plans only. Minutes still come from your plan.Get Started
Bulk Pro add-on · $60/month → up to 500 automated bulk calls/day. Upload a lead list and Hellio dials it for you. For monthly plans only. Minutes still come from your plan.Get Started

One-by-one calling is included on every plan. Bulk calling: monthly plans.

Free trial — 10 minutes, no card. Test-call your own phone.
Top-up — $39 one-time = 150 min, never expire.
Extra number — $5/mo per additional US/CA number.

Need more volume? Contact us for custom volume.

Questions, answered.

Does the agent pretend to be human?

No. The opener sounds natural, but if a prospect asks “are you a robot / AI?”, the agent always answers honestly — required in the US, Canada and UK.

Which countries can I call?

You can buy US and Canada numbers in-app. Outbound calling follows our voice provider’s supported destinations; we never list a country we can’t actually call.

What happens when someone says “stop calling”?

The agent confirms, ends the call, and the number is added to your DNC list automatically. Campaigns skip DNC numbers and respect each lead’s local calling hours.

Do I need my own Retell, Twilio or OpenAI account?

No. Everything runs on our platform — you just buy minutes. Numbers, voices and knowledge bases are created for you.

Can I clone my own voice?

Yes, on Growth and Pro. Upload a 30–90 second sample and confirm you own the rights to that voice.

What if I run out of minutes?

Calling pauses automatically before any new call starts. Buy a top-up or upgrade and it unlocks instantly.

Make your first AI call today.

10 free minutes. Generate a script, pick a voice and call your own phone — in under 10 minutes.

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