kolz ai — The Most Affordable AI Voice Calling Agent for Sales Teams
KolzBulk
Run high-volume outbound calls from anywhere to US in minutes with smart lead filtering that transforms spreadsheets into sales-ready leads.
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Calls done
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Campaigns served
Trusted by innovative teams worldwide
Cut your calling costs by 60%.
Keep your workflow simple.
No APIs, no complex integrations. Just upload your list and let our agents handle the rest.
Zero Integration Required
Forget complex APIs. Simply upload your .xlsx or .csv lead list. We handle the dialing and return an enriched file with recordings, transcripts, and lead scores.
Unprecedented Pricing
Stop paying $0.08/min. We offer the industry's lowest rate at $0.03/minute with no monthly subscription fees. You only pay for what you use.
Smart Lead Filtration
Don't waste your sales team's time on dead leads. Our AI agents qualify prospects, detect voicemails, and filter your list so you focus only on warm opportunities.
Try it live
Experience the power of our AI agents directly in your browser.
Sales Outreach Agent
Talk to our AI agent right in your browser
🎤 Uses your browser microphone • 3 min demo • No charge
What is kolz ai?
kolz ai is the simplest AI-powered bulk calling platform built for sales teams. Upload your contact spreadsheet, pick a pre-built sales template, and start calling in minutes - no APIs, no webhooks, no developers needed.
At just $0.03/min with no subscriptions and no contracts, kolz ai turns simple spreadsheets into qualified, scored leads. You put a list of numbers in you get a list of hot leads out, complete with call recordings, AI summaries, and lead scores.
Trusted by insurance brokers, staffing agencies, MCA brokers, and lead gen agencies across the US. Stop building complex voice AI infrastructure. Start calling.
Built for Your Industry
Insurance Brokers
Life, Health & Medicare agents qualify leads and set appointments at scale.
Staffing & Recruitment
Blue-collar & high-volume recruiters reach candidates faster than any job board.
MCA & Business Loans
Merchant cash advance brokers connect with business owners who need funding now.
Lead Generation Agencies
Multi-vertical agencies turn raw lists into qualified, scored leads for your clients.
BUILT DIFFERENT
Stop building AI infrastructure.
Start launching AI campaigns.
See how Kolz Bulk stacks up against any platform, side by side. Pick a competitor to compare.
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See full Kolz vs Vapi comparisonUnbeatable Pricing.
No subscriptions. No hidden fees. Start with 100 free minutes, then top up anytime.
Sign up & verify your phone to receive:
Starter Top-Up
($0.033 / min)
High-Volume Pack
($0.030 / min)
Let's start the conversation.
Have questions about volume pricing or custom integrations?
HQ
Global Operations
USA
Frequently Asked Questions
Everything you need to know about getting started with Kolz Bulk.