AI appointment setting for marketing agencies
Run outbound and lead follow-up for all your clients with AI agents that book meetings on each client’s calendar.
10 free minutes · no credit card
The problem
Speed decides who wins the lead.
Your ads generate leads, but clients judge you on booked calls. Human setters are expensive, inconsistent and hard to scale across clients.
How CallBooker helps
- One agent per client, each with its own voice, script, knowledge and calendar.
- Call whole lead lists with campaigns, or call ad leads instantly through the API.
- Show clients the results: booking rate, outcomes and exports per campaign.
Your agent books a discovery call with your client straight onto your calendar.
What you'll use
Built for agencies
CampaignsStarter+
Upload a list and the AI calls everyone on it, many calls at once.
Speed-to-lead APIStarter+
Send leads from your forms, CRM or Zapier and the AI calls them within seconds. Webhooks report every result.
AnalyticsStarter+
Booking rate, outcomes, best hours to call, and how each campaign performs.
Natural voices
ElevenLabs voices, with a full voice library to match your brand and accent.
How it works
From form to meeting in under a minute.
Step 1
A lead comes in
From your website form, your CRM, Zapier, or a list you upload.
Step 2
Your AI agent calls in seconds
It introduces itself, answers questions, handles objections and qualifies the lead.
Step 3
The meeting lands on your calendar
Booked live during the call, with a reminder sent to the lead. You just show up.
New lead: Emma Carter · demo request
From your website form
Hi Emma, it’s Ava from Lumen. You just asked for a demo, got a minute?
Wow, that was fast. Sure.
How are you tracking your pipeline today?
Spreadsheets. It’s a mess with five reps.
That’s what Lumen fixes. Thursday at 2 PM or Friday at 10 AM for a demo?
Thursday at 2 works.
Meeting booked · Thu 2:00 PM
Added to your Google Calendar · invite sent to Emma
Calculator
What slow follow-up is costing you.
Move the sliders to match your business. Every assumption is written below.
Revenue you're leaving on the table
$6,000/mo
Meetings today
9
With CallBooker
24
Fits the Growth plan (550 minutes).
Swipe to compare →
| Compare | CallBooker | Human setter | Slow follow-up |
|---|---|---|---|
| Calls a new lead | Within seconds | When they get to it | Hours or days later |
| Works nights & weekends | |||
| Calls at the same time | Many | One | — |
| Languages | 33 | 1–2 | — |
| Ready to start | About 15 minutes | Weeks to hire & train | — |
| Monthly cost | $105 | ~$4,500 | $0 |
| Cost per booked meeting | $4 | $188 | Lost deals |
Assumptions: about 1.5 AI minutes per lead on average (short voicemails and no-answers included); Twilio calls at ~$0.014/min (US, paid to Twilio); one full-time human setter at ~$4,500/month with salary and overhead, booking the same number of meetings. Your booking rates are your own estimates; results vary by offer and lead quality.
Agencies: questions
Who it's for
Other ways teams use CallBooker
Your next lead is coming in. Call it in seconds.
Set up your AI agent in about 15 minutes and try it free on real leads.
10 free minutes · no credit card