About Data Monster, Inc. · Since 2007

The Largest Variety of Call Centers, Data Providers and Lead Providers, All on One Website

Data Monster, Inc. runs CallCentersForHire.com and the ZinTree ping tree: one protected marketplace where businesses hire call centers, buy live transfer leads and data, and sell their own services to buyers around the world.

1,000+Live listings

200+Live transfer providers

150+Live transfer verticals

400+Industries

40+Countries

2007Founded

✅ Every inquiry gets a human response within 24 business hours.

Browse the Marketplace Sell for Free

Our Story

Built by a Sales Veteran, Trusted Since 2007

Data Monster, Inc. was founded in 2007 by Will Shivers, a 30+ year veteran of sales, marketing and performance-based lead generation. CallCentersForHire.com started as one of the first online directories that helped businesses find outsourced call centers and BPO teams.

In 2026 we rebuilt the whole platform. Today it is a full marketplace with verified sellers, Data Monster Protected Transactions, the ZinTree ping tree for live transfers, posted leads and media leads, and a team of Client Liaison Officers who answer every inquiry by hand.

Our goal is simple: put the largest variety of call centers, data providers and lead providers on one website, protect every purchase, and make it easy for buyers to compare.

What makes us different

Every seller is reviewed before their listing goes live
Every purchase is backed by Data Monster Protected Transactions
Sellers are paid within 24 business hours of confirmed delivery
Buyer and seller details stay private, all contact goes through Data Monster
A real person answers every inquiry within 24 business hours

One account, four marketplaces

The 4 Data Monster Marketplaces

Every seller, buyer and job seeker on Data Monster can work across four connected marketplaces. List once, get found everywhere, and every deal is Data Monster Protected.

1

Vendor Vault

Our protected marketplace. Verified sellers list live transfers, leads and data, call center teams, agents and digital services. Buyers shop, compare and check out with Data Monster Protected Transactions: as safe as escrow, but paid in 24 hours.

Shop the Vendor Vault

2

Vault Requests

The reverse marketplace. Buyers post exactly what they need, with budget and details, and verified sellers come to them with matching offers. Buyers stay anonymous as “Verified Buyer” until they choose to move forward.

See Vault Requests

3

Remote Jobs

Work from home jobs for agents, closers, virtual assistants and freelancers. Employers post jobs, job seekers post free profiles, and the best candidates get a recorded interview with a Data Monster Liaison Officer.

Find Remote Jobs

4

HumanAPI

The newest and fastest growing. AI agents, companies and people hire each other. When AI needs a human for real-world work, it posts the task on HumanAPI and real people from our network apply.

Explore HumanAPI

The trend

AI is taking over hiring, on both sides

● Rising every year

Companies use AI to screen and hire. Staffing firms use AI to place faster. Job seekers use AI to write their resumes.

5.3×Employers using AI in recruiting+21 pts in 2 yearsSource: iHire State of Online Recruiting Report 2025

+33%Companies using AI in hiring51% → 68% in one year (planned)Source: Resume Builder, 948 business leaders, Oct 2024

4 in 10Job seekers using AI to applyand still climbing: 40.7% → 42.6%Sources: iHire 2025; Novoresume 2026

Each line comes from a different survey and measures something slightly different, so read them as trends, not as one data set. Staffing: 78% of the fastest-growing staffing firms use AI built into their hiring systems (Bullhorn GRID 2026 report, ~2,300 recruiting professionals).

The problem coming next

AI writes the resume. We verify the human.

When AI screens resumes that AI wrote, nobody knows who is really on the other side. That is the hiring problem of the next few years.

Every interview is run live by a Data Monster Liaison Officer, not by a bot
Interviews are recorded, with a searchable transcript, and kept in the Interview Vault
No contact details are shared, so both sides stay protected
Verified sellers and candidates earn the Shield, so buyers and AI know they are real

How Our Interviews Work AI Needs a Human Interview

Everything in one place

What You Can Do on Data Monster

Hire a Call Center

Outbound and inbound call centers, appointment setters, answering services, customer service and BPO teams. Onshore, nearshore and offshore, priced hourly, per lead, per sale or by revenue share.

Hire a Call Center

Buy Live Transfer Leads

Consumers already on the phone, handed straight to your sales team. Health insurance, Medicare, final expense, solar, debt, mortgage, home services and 150+ more verticals, direct from verified providers or through the ZinTree ping tree.

Buy Live Transfers

Data Monster Protected Transactions

Your payment is held by Data Monster and only released to the seller after delivery is confirmed. If something goes wrong, our Marketplace Resolution Program steps in. No wires to strangers, no guessing.

How Protection Works

Get the Shield

Trust The Shield is our verified seller badge. Sellers who complete a free verification interview get the Shield on every listing and are shown to buyers first.

Get the Shield

Sell for Free, Globally

List live transfers, leads and data, call center services, remote agents or digital services for free. Reach buyers in 40+ countries and across 4 connected marketplaces, and get paid within 24 business hours of confirmed delivery.

Sell for Free

The Largest Variety, One Website

Call centers, live transfer providers, lead and data providers, virtual assistants, remote agents and digital agencies. 1,000+ live listings across 400+ industries, all searchable in one place.

See Every Listing

The whole Data Monster family

Everything Data Monster in One Place

The Vault Marketplace

Our main marketplace. Shop live transfers, leads and data, call centers and services from verified sellers, every purchase protected.

Shop the Vault

ZinTree Ping Tree

The real-time ping tree for live transfers, posted leads and media leads across 150+ verticals. Buyers bid live, publishers sell every lead.

Join the ZinTree

Vault Requests

Our reverse marketplace. Buyers post exactly what they need and verified sellers come to them, no searching required.

See Vault Requests

AI Shopper

Tell your AI Liaison what you are looking for and get free alerts the moment a matching listing goes live.

Get AI Alerts

SMS Texting

TCPA compliant bulk SMS texting services from vetted providers, sold by the batch.

Buy SMS Texting

Remote Jobs

Work from home jobs for agents, closers and freelancers, plus free resume posting so employers can find you.

Find Remote Jobs

HumanAPI

AI is hiring humans. Post tasks for real people, or get paid to do work that AI can’t.

Explore HumanAPI

Seller AI

A free AI store assistant for sellers that answers questions, checks prices and helps write better listings.

Meet Seller AI

Client Liaison Officers

Real people who handle every buyer and seller. Each buyer gets one dedicated liaison, and every inquiry gets a reply within 24 business hours.

Talk to a Liaison

The AI hiring humans revolution

Helping Pioneer AI Hiring Humans

AI agents can write, research and plan, but plenty of real-world work still needs a person: phone calls, site visits, verification, sales and judgment. HumanAPI by Data Monster is where that handoff happens. When AI needs a human, it posts the work, and real people apply, interview and get it done.

Only a handful of companies are building this so far, and HumanAPI is at the forefront. What makes it different is the network behind it: Data Monster’s call centers, remote agents, virtual assistants and freelancers in 40+ countries, ready to take on human work the moment AI asks.

Explore HumanAPI Post Human Work Free Read: AI Is Hiring Humans

Three sides, one marketplace

AI and agents: post human tasks for free and reach Data Monster’s live remote-work network
Humans: let your skills be your money. Apply, interview and get hired by AI or companies
Companies: hire humans and AI side by side, or barter services with other businesses
Backed by Data Monster Protected Transactions and a human reply within 24 business hours

HumanAPI · Your human collaboration network

↗HumanAPI ⇄3-Way Post ⋔Barter Starter ☏Post AI Jobs Free ⌘Human Profiles ♙For Humans ⓘAbout HumanAPI ⬡AI Allies

AI Dashboard Login AI Directory

Meet the ZinTree sellers

The Sellers Powering the ZinTree Ping Tree

ZinTree is Data Monster’s real-time ping tree for live transfers, posted leads and media leads across 150+ verticals. These verified sellers send their transfers and leads straight into the tree, buyers bid live, and the highest bidder gets the call. Every sale is backed by Data Monster Protected Transactions: as safe as escrow, but paid in 24 hours.

150+Verticals

Real timeLive bidding

3 waysTransfers, posted, media

24 hrSeller payouts

Buy on the ZinTree Sell on the ZinTree Explore ZinTree

Featured ZinTree listings

Live TransfersMedicare Live Transfers | Pre-Qualified Consumers | Warm Handoff | 120-Second Buffer | Compliant – Medicare SupplementMedicare Supplement · from $35.05

Live TransfersVerified qualified leads. – Own a Call CenterLive Transfers · from $106.96

Live TransfersExclusive Auto Insurance Live Transfers – Warm Handoff – Call RecordedAuto Insurance · from $29.71

Live TransfersTCPA campliant Medicare and healthcare live Transfers – Own a Call CenterLive Transfers · from $23.77

Live TransfersExclusive final expense transfers – Final ExpenseFinal Expense · from $23.77

Posted LeadsACA Health Insurance Live Transfer Leads- High Intent (Exclusive)Health Insurance · from $60.00

Live TransfersACA Health Insurance Live Transfer Leads- High-Intent (Exclusive)ACA Affordable Care Act · from $60.00

Posted Leads(Verified Vendor) Exclusive Solar Leads (TCPA) Trusted Form & Jornaya Certified Opt-in Leads (Real Time)Solar Energy Interest · from $40.00

Posted Leads(Verified Vendor) Exclusive Bankruptcy Leads Opt-in Leads (Real Time)Bankruptcy · from $40.00

Live TransfersHearing Aid live transfers Live Transfer Leads Live Transfer LeadsHearing Aids · from $32.50

Live TransfersAuto Insurance Leads Call Centers CPLAuto Insurance · from $8.75

Posted LeadsExclusive Final expense leads Posted Leads (Real Time)Final Expense · from $15.00

Live TransfersFinal Expense Live Transfer LeadsFinal Expense · from $30.00

Seller showcase

What Our Sellers Have to Offer

Around 1,000 businesses around the world sell through Data Monster. Here is what you can buy from them today.

Live Transfers

Warm handoffs, inbound calls, IVR and press-1 transfers, AI-qualified transfers and appointment setting.

Live Transfers

Sales Leads & Data

Real-time opted-in leads, aged leads, consumer dialer leads, targeted cell phone leads and TCPA compliant lists.

Sales Leads TCPA Compliant

Call Centers & BPO

Outbound sales, inbound customer service, answering services, surveys, order taking and tech support teams.

Hire a Team

Remote & Office Agents

Dedicated sales agents and closers, remote or in-office, onshore, nearshore or offshore.

Hire Agents

Virtual Assistants & Freelancers

Admin help, CRM management, scheduling, receptionists and skilled freelancers by the hour or project.

Virtual Assistants Freelancers

Digital Services

SEO, website design, social media, video, content writing, AI and chatbot development from vetted agencies.

Digital Services

Popular verticals our sellers cover

Specialized for buyers

Every Buyer Form, All in One Place

Tell us exactly what you need and verified sellers apply to work with you. No cost, no obligation, and a real person replies within 24 business hours. Pick the form that fits.

Don’t take our word for it

Check Us Out and Compare

We invite you to compare Data Monster with any other marketplace, directory or ping tree. Count the providers, look at the verticals, check how purchases are protected, and see how fast a real person gets back to you.

Browse the Marketplace Explore the ZinTree Post What You Need

What to compare	Data Monster
Live transfer providers	200+ and growing
Verticals and industries	150+ live transfer verticals, 400+ industries
Purchase protection	Data Monster Protected Transactions
Seller checks	Every seller reviewed, Shield for verified sellers
Human response	Within 24 business hours, every time
Cost to list	Free, globally

The Team

The People Behind Data Monster

WS

Will Shivers

Founder & CEO

30+ year veteran of sales, marketing and SEO. Founded Data Monster, Inc. in 2007 and built CallCentersForHire.com and the ZinTree.

DG

Danielle G

Global Creative Principal

Leads seller onboarding, buyer and seller agreements and the Client Liaison team. First point of contact for partner and enterprise accounts.

KK

Kenneth Kennedy

Solar Specialist & Strategic Accounts Director

Runs the Data Monster solar program for buyers and sellers and personally manages relationships with executive and enterprise partners.

Questions

About Data Monster: FAQ

Who owns CallCentersForHire.com?

CallCentersForHire.com is owned and operated by Data Monster, Inc., founded in 2007 by Will Shivers. Data Monster also owns the ZinTree ping tree.

How are purchases protected?

Every purchase is backed by Data Monster Protected Transactions. Buyer funds are held by Data Monster and released to the seller only after delivery is confirmed, with a Marketplace Resolution Program for disputes.

How fast will someone respond to me?

Every inquiry gets a human response from a Data Monster Client Liaison Officer within 24 business hours.

How many live transfer providers are on Data Monster?

More than 200 live transfer providers across 150+ verticals, with over 1,000 live listings in total. We invite you to browse the marketplace and compare it with any other.

Does it cost anything to sell?

Listing is free for sellers worldwide. Sellers are paid within 24 business hours of confirmed delivery.

What is HumanAPI?

HumanAPI by Data Monster is a marketplace where AI agents, companies and people hire each other. When AI needs a human for real-world work, it posts the task and real people from Data Monster’s network in 40+ countries apply and get it done. Data Monster is one of the first companies building this.

What is Trust The Shield?

Trust The Shield is Data Monster’s verified seller badge. Sellers earn it by completing a free verification interview, and Shield sellers are shown to buyers first.

Hire a Call Center Buy Live Transfer Leads ZinTree Ping Tree Protected Transactions Get the Shield Sell for Free Vault Requests Contact Us

The Largest Variety of Call Centers, Data Providers and Lead Providers, All on One Website

Built by a Sales Veteran, Trusted Since 2007

What makes us different

The 4 Data Monster Marketplaces

Vendor Vault

Vault Requests

Remote Jobs

HumanAPI

AI is taking over hiring, on both sides

AI writes the resume. We verify the human.

What You Can Do on Data Monster

Hire a Call Center

Buy Live Transfer Leads

Data Monster Protected Transactions

Get the Shield

Sell for Free, Globally

The Largest Variety, One Website

Everything Data Monster in One Place

The Vault Marketplace

ZinTree Ping Tree

Vault Requests

AI Shopper

SMS Texting

Remote Jobs

HumanAPI

Seller AI

Client Liaison Officers

Helping Pioneer AI Hiring Humans

Three sides, one marketplace

The Sellers Powering the ZinTree Ping Tree

Featured ZinTree listings

What Our Sellers Have to Offer

Live Transfers

Sales Leads & Data

Call Centers & BPO

Remote & Office Agents

Virtual Assistants & Freelancers

Digital Services

Popular verticals our sellers cover

Every Buyer Form, All in One Place

Buy Live Transfers, Leads & Data

Hire a Call Center

Hire Agents, Assistants & Services

Leads & Call Centers by Industry

Check Us Out and Compare

The People Behind Data Monster

Will Shivers

Danielle G

Kenneth Kennedy

About Data Monster: FAQ

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