Kolz
Bulk

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 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.

Online

Sales Outreach Agent

Experience a real-time conversation demo

3 minute demo call • No charge

BUILT DIFFERENT

Stop piecing tools together.
Start growing with one platform.

Managing outbound calls shouldn't mean juggling between 6-10 different tools. With Kolz.Bulk, you get everything you need in one place.

Vapi
Retell
Elevenlabs
ringg
Sarvam
Bland AI

Other Platforms

  • Built primarily for developers building voice infrastructure
  • Require APIs, SDKs, telephony setup, and technical configuration
  • Focus on voice models, infrastructure, or agent frameworks
  • Outputs are usually API logs, dashboards, or raw transcripts
  • Pricing is typically usage-based and optimized for builders
  • Costs increase as infrastructure layers stack (telephony + model + platform)
  • Optimized for flexibility and customization
  • Often involve multiple tools stitched together
Kolz.Bulk

Kolz.Bulk

  • Built for business teams who want results without writing code
  • Upload an Excel file, configure via text prompts, launch immediately
  • Focused specifically on bulk outbound calling and lead qualification
  • Structured Excel output with outcomes, summaries, recordings, and lead scores
  • Designed for predictable, volume-friendly bulk calling economics
  • One consolidated pricing structure without stacking hidden layers
  • Optimized for speed, clarity, and operational simplicity
  • One workflow from lead upload to enriched result export

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?

Contact Information

Email us

sales@kolz.ai

Support (24/7)

Chat with us

HQ

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.
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