Upload your lead list (Excel), set simple call instructions, and launch. Kolz Bulk runs the calls and returns an Excel file with outcomes, summaries, recordings, and lead scores.

Who should use Kolz Bulk?

Teams handling high lead volumes, B2B SaaS, agencies, real estate, recruiting, and service businesses, who want faster qualification without adding headcount.

How is Kolz Bulk priced?

Kolz Bulk is usage-based, starting at $0.03 per minute. No integrations, no contracts, no setup overhead.

$0.03 / min · no subscription · no contracts

KolzBulk

Run high-volume outbound calls from anywhere to the US in minutes, with smart lead filtering that turns spreadsheets into sales-ready leads.

Get Started

100K+

Calls done

30+

Campaigns served

kolz ai - The Most Affordable AI Voice Calling Agent

Run high-volume AI outbound calls at just $0.03/min. Upload a spreadsheet, launch AI calling campaigns, and get scored leads - no APIs, no contracts, no developers needed. 100 free minutes to start.

Trusted by teams running outbound today

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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.

Follow-Up/Upsell Agent

Female voice · Bright American accent

🎤 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.

Kolz Bulk

Ready-to-Use AI Workforce

Vapi

API platform for developers

Pricing Model

$0.03/min Flat. Simple, predictable, all-inclusive.

$0.05/min + Provider Costs (STT/LLM/TTS)

Primary Audience

High-volume sales & lead gen teams

Software engineers & developers

Campaign Workflow

Excel-In, Excel-Out. Upload list & launch.

API-driven; Requires dev to launch bulk calls

Technical Barrier

Zero. No-code, ready to use in minutes.

High. Requires coding & infrastructure.

Output & Lead Gen

Enriched Excel files (Scores & Summaries)

Raw webhook data requiring database sync

Platform Goals

Driving revenue and tracking leads natively.

Providing foundational voice AI building blocks.

Want the deep dive on pricing, workflow & output?

See full Kolz vs Vapi comparison

Unbeatable Pricing.

No subscriptions. No hidden fees. Start with 100 free minutes, then top up anytime.

New Account Offer

100 Minutes FREE

Starter Top-Up

$10/ 200 minutes

($0.050 / min)

High-Volume Pack

$30/ 1,000 minutes

($0.030 / min)

BEST VALUE

Bulk Pack

$100/ 4,000 minutes

($0.025 / min)

Extra discount · ends Aug 15

Let's start the conversation.

Have questions about volume pricing or custom integrations?

Email

Questions or inquiries

contact@kolz.ai

Support

Priority email support

support@kolz.ai

HQ

Global Operations

USA

Frequently Asked Questions

Everything you need to know about getting started with Kolz Bulk.

Kolz Bulk uses AI voice agents to call and qualify large lead lists automatically, so your team only talks to leads that show real intent.

kolz ai, The Most Affordable AI Voice Calling Agent for Sales Teams