KolzBulk

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

Get Started

Trusted by innovative teams worldwide

TechGlobal
CallScale
AutoDial
LeadGen Pro
VoiceFlow
DataSync
Connect
EchoStream
TechGlobal
CallScale
AutoDial
LeadGen Pro
VoiceFlow
DataSync
Connect
EchoStream
TechGlobal
CallScale
AutoDial
LeadGen Pro
VoiceFlow
DataSync
Connect
EchoStream

Cut your calling costs by 80%.
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.

Online

Sales Outreach Agent

Experience a real-time conversation demo

3 minute demo call • 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 DIFFERENT

Stop building AI infrastructure.
Start launching AI campaigns.

Managing mass outbound AI calls shouldn't require a team of engineers, complex APIs, or hidden infrastructure costs. Kolz Bulk gives you the whole package in one workflow.

Vapi
Retell AI
ElevenLabs
Ringg AI
Sarvam AI
Bland AI

Other Platforms

The Developer Toolkit

  • Built for Engineers: Requires developers, APIs, SDKs, and telephony setup to get started.
  • Stacking Costs: Pricing looks cheap until you stack the Base Platform + Custom LLM + Voice Synthesis (TTS) costs.
  • Raw Data Outputs: You receive raw API logs, webhooks, and JSON transcripts that your team has to decode.
  • Fragmented Workflow: You have to piece together separate billing, prompt engineering, and compliance tools.
Kolz.Bulk

Kolz Bulk

The Ready-to-Use AI Workforce

  • Built for Business Teams: Zero code required. Launch mass AI voice campaigns using simple text prompts.
  • Excel-In, Excel-Out: Just upload a spreadsheet. The AI handles the conversations and qualifies the leads automatically.
  • Flat, Predictable Pricing: $0.03/min all-inclusive. No hidden layers, no complex billing.
  • Actionable Insights: Download an enriched spreadsheet with lead scores, call summaries, and recordings ready for your sales team.

Kolz.Bulk vs the rest

See detailed comparison with each platform

Unbeatable Pricing.

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

New Account Offer

Sign up & verify your phone to receive:

100 Minutes FREE

Starter Top-Up

$10/ 300 minutes

($0.033 / min)

BEST VALUE

High-Volume Pack

$30/ 1,000 minutes

($0.030 / min)

Let's start the conversation.

Have questions about volume pricing or custom integrations?

Email

Questions or inquiries

sales@kolz.ai

Support

24/7 Priority Support

Chat with us

HQ

Global Operations

India

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.AiKolz Bulk