Best Zoominfo Alternatives for AI Agents | Salestools Club
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Alternatives

Best Zoominfo Alternatives

48 tools positioned as Zoominfo alternatives, ranked by API quality and AI-agent readiness.

Comparison Matrix

Side-by-side spec comparison. Click tool names for full details.

ToolMCPFree TierAPIAuthPricing
Bitscale RESTAPI KeyView
Million Phones RESTAPI KeyView
Neuron RESTAPI KeyView
LakeB2B RESTAPI KeyView
ZoomInfo MCP Plugin API KeyView
LeadMagic RESTOAuth2, API KeyView
DataLayer RESTAPI KeyView
Bytemine RESTAPI KeyView
Data Reaktor RESTAPI KeyView
Enricher.io RESTAPI KeyView
MoltSets RESTAPI KeyView
LeadLeap RESTAPI KeyView
Seamless RESTAPI KeyView
Leadspace RESTAPI KeyView
Bytemine RESTAPI KeyView
HG Insights RESTAPI KeyView
Interseller RESTAPI KeyView
Derrick RESTAPI KeyView
CompanyEnrich RESTAPI KeyView
Vainu RESTAPI KeyView
6sense RESTAPI KeyView
Adapt RESTAPI KeyView
Bombora RESTBasic AuthView
BuzzBoard RESTAPI KeyView
Clay REST, CLIAPI KeyView
Clearbit (Breeze) RESTAPI Key, Bearer TokenView
Clodura.AI RESTAPI KeyView
Cognism RESTAPI KeyView
Coresignal RESTBearer TokenView
Crunchbase RESTAPI KeyView
CUFinder RESTAPI KeyView
Datagma RESTAPI KeyView
Dealfront RESTAPI Key, OAuth2View
Demandbase RESTAPI KeyView
Lead411 RESTAPI KeyView
LeadCRM RESTAPI KeyView
LeadFuze RESTAPI KeyView
LeadIQ RESTAPI KeyView
LinkedIn Sales Navigator RESTOAuth2View
Live Data RESTOAuth2View
Lusha RESTAPI KeyView
People Data Labs RESTAPI KeyView
PredictLeads RESTAPI KeyView
RocketReach RESTAPI KeyView
SalesIntel RESTAPI KeyView
UpLead RESTAPI KeyView
Zeliq RESTAPI KeyView
ZoomInfo RESTAPI KeyView

Last updated from tool data. Pricing URLs link to official pages.

Quick Picks

Best MCP Ready

Bitscale

GTM data layer and enrichment platform with waterfall across 100+ sources.

Best Free Tier

Bitscale

GTM data layer and enrichment platform with waterfall across 100+ sources.

Best Webhooks

Bitscale

GTM data layer and enrichment platform with waterfall across 100+ sources.

All 48 Alternatives

Bitscale
MCP

GTM data layer and enrichment platform with waterfall across 100+ sources.

Sales IntelligenceFree
Million Phones
MCP

Verified B2B mobile phone numbers via API and MCP. One endpoint, real-time results.

Phone & DialersFree
Neuron

Real-time verified contact data from LinkedIn — emails and mobile numbers with one click.

Sales IntelligenceFree
LakeB2B

B2B data enrichment and intelligence with 730M+ verified professional profiles.

Sales IntelligencePaid
ZoomInfo MCP Plugin
MCP

Official ZoomInfo MCP plugin — access 100M companies, 300M contacts, and AI-ranked recommendations.

Claude PluginsPaid
LeadMagic
MCP

Lead enrichment and account intelligence API with hosted MCP server and 30+ tools for AI agents.

Sales IntelligenceFree
DataLayer
MCP

B2B enrichment API with MCP — 60M companies, 300M contacts, intent signals, and technographics.

Sales IntelligencePaid
Bytemine
MCP

B2B data platform with 25 MCP tools for people search, company enrichment, funding signals, and proposals.

Sales IntelligencePaid
Data Reaktor
MCP

Agentic B2B intelligence factory with REST API and MCP for lead scoring, research, and outreach.

Sales IntelligencePaid
Enricher.io

Data enrichment API for people, company, and technology data.

Sales IntelligencePaid
MoltSets
MCP

MoltSets contact data API combines 20+ providers to find verified emails, mobile numbers, and company data.

Sales IntelligencePaid
LeadLeap

API-first B2B data platform — 45+ live sources, no sales calls, transparent pricing.

Sales IntelligenceFree
Seamless
MCP

AI-powered B2B sales intelligence with API access on every plan.

Sales IntelligenceFree
Leadspace
MCP

GTM Data Intelligence Cloud for real-time B2B data unification and activation.

Sales IntelligencePaid
Bytemine
MCP

API-first B2B contact and company enrichment with 135M+ contacts and sub-200ms responses.

Sales IntelligenceFree
HG Insights
MCP

B2B technographics and revenue intelligence platform.

Sales IntelligenceFree
Interseller

Email finder and verification platform for outbound sales.

Sales IntelligenceFree
Derrick

B2B data enrichment platform for sales intelligence.

Sales IntelligenceFree
CompanyEnrich

Company data enrichment API for B2B sales and prospecting.

Sales IntelligenceFree
Vainu

Company data and prospecting intelligence platform for B2B sales.

Sales IntelligencePaid
6sense

The leading AI platform for account-based sales and marketing intelligence.

Revenue IntelligenceFree
Adapt

Lead intelligence platform with a massive B2B contact database and API.

Sales IntelligencePaid
Bombora

Leading B2B intent data provider with company surge and topic-based signals.

Sales IntelligencePaid
BuzzBoard

AI-driven sales intelligence and prospecting for SMB sales.

Sales IntelligencePaid
Clay
MCP

The universal data enrichment and outbound orchestration platform.

Sales IntelligencePaid
Clearbit (Breeze)

Real-time company and person enrichment API by HubSpot.

Sales IntelligencePaid
Clodura.AI

All-in-one sales intelligence with form enrichment and cleanup APIs.

Sales IntelligenceFree
Cognism

Global B2B sales intelligence with premium mobile data.

Sales IntelligencePaid
Coresignal
MCP

B2B data and web scraping API for large-scale market intelligence.

Sales IntelligencePaid
Crunchbase

The definitive B2B database for company and investment research.

Sales IntelligencePaid
CUFinder

B2B data enrichment API with 20+ endpoints for company and person data.

Sales IntelligenceFree
Datagma

B2B data enrichment with 50+ attributes.

Sales IntelligenceFree
Dealfront

European sales intelligence platform combining intent data with visitor tracking.

Sales IntelligenceFree
Demandbase

Account-based marketing and sales intelligence platform powered by AI.

Revenue IntelligencePaid
Lead411

Unlimited sales leads database fueled by intent data and direct dials.

Sales IntelligencePaid
LeadCRM

Contact enrichment and sales automation.

Sales IntelligencePaid
LeadFuze

B2B lead generation and data enrichment API with intent signals.

Sales IntelligenceFree
LeadIQ
MCP

The smart B2B prospecting platform for capturing and enriching leads.

Sales IntelligencePaid
LinkedIn Sales Navigator
MCP

The premier platform for B2B relationship building and prospecting.

Sales IntelligencePaid
Live Data

Job change data for 70M+ professionals.

Sales IntelligenceFree
Lusha
MCP

The fastest way to find verified B2B mobile numbers and emails.

Sales IntelligenceFree
People Data Labs

B2B data API with 3 billion person and company records.

Sales IntelligenceFree
PredictLeads

Company intelligence data API for funding, jobs, and tech.

Sales IntelligenceFree
RocketReach

People search API with 700M+ professional profiles and 60M+ companies.

Sales IntelligencePaid
SalesIntel

B2B contact data and intelligence platform for revenue teams.

Sales IntelligencePaid
UpLead

B2B data platform with verified emails, mobile numbers, and intent data.

Sales IntelligenceFree
Zeliq
MCP

All-in-one sales prospecting platform with massive contact database.

Sales EngagementFree
ZoomInfo
MCP

The all-in-one AI GTM platform with GTM.AI headless context layer for AI agents.

Sales IntelligencePaid

Support & Guidance

Zoominfo Alternatives FAQ

01

How many of these alternatives have MCP support?

19 out of 48 tools offer MCP server support: Bitscale, Million Phones, ZoomInfo MCP Plugin, LeadMagic, DataLayer, and 14 more. MCP lets your AI agent connect with zero configuration — just paste the config into Claude Desktop or Cursor.
02

Which alternatives have a free tier?

23 out of 48 tools offer a free tier: Bitscale, Million Phones, Neuron, LeadMagic, LeadLeap, Seamless, Bytemine, HG Insights, and 15 more. Free tiers are useful for prototyping agentic workflows before committing to a paid plan.
03

What API types do these alternatives support?

The alternatives use REST, CLI APIs. REST is the most common format across all tools, making them compatible with standard HTTP clients and AI agent frameworks.
04

How many support webhooks for real-time events?

33 out of 48 tools support webhooks. Webhooks let your AI agent react to events (new lead, updated contact, deal stage change) without polling — critical for building responsive automation.