Explorium vs ContactOut vs Demandbase

Objective, side-by-side analysis of Explorium, ContactOut, and Demandbase to help you evaluate features, pricing, and performance and find the perfect fit for your data needs.

Explorium

4.8

The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform

  • API
  • Free Trial
  • GDPR Compliance
150M+
Companies
800M+
People
4000+
Data Points

Selected Customers

Clay • Common Room • Cognism • Outreach • Bombora • Monday.com • Artisan

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ContactOut

4.4

The most accurate contact finder trusted by Fortune 500 companies for LinkedIn prospecting and outbound outreach

  • API
  • Free Trial
  • GDPR Compliance
30M+
Companies
300M+
People
20+
Data Points

Selected Customers

Google • Microsoft • Netflix • Amazon • Salesforce

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Demandbase

4.4

The only B2B-native DSP and ABM platform that unifies account intelligence, advertising, and sales orchestration in a single go-to-market system

  • API
  • GDPR Compliance

Selected Customers

Adobe • Salesforce • Snowflake • Coupa • Equilar

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Primary Use Cases

Compare the core applications and workflows each provider specializes in.

Explorium

  • GTM Agents

    Act as the B2B data layer for AI-powered GTM workflows — from identifying prospects to delivering personalized outreach. Supports MCP-native access via Claude and other AI agents.

  • ABM Targeting

    Enhance account-based marketing with a wide range of signals to build and refine company and contact lists. Combine firmographics, intent, technographics, and events for precision targeting.

  • AI Recruiting

    Build recruiting automation systems on top of a premium B2B data layer. Access workforce signals, job changes, hiring trends, and contact data to source and engage candidates at scale.

Signals powering these use cases

  • Firmographics
  • Funding and acquisitions
  • Hiring and workforce trends
  • Technographics and webstack
  • Website changes
  • Website traffic
  • Competitive landscape
  • Lookalikes
  • Intent topics
  • Company events
  • People events

ContactOut

  • Recruiting & Talent Sourcing

    Find verified personal and work emails for passive candidates directly from LinkedIn profiles, enabling recruiters to reach talent outside traditional apply flows.

  • Outbound Sales Prospecting

    Build targeted prospect lists using 20+ search filters, then launch automated email campaigns directly within ContactOut's platform to accelerate pipeline generation.

  • CRM & ATS Data Enrichment

    Enrich existing CRM and ATS records with up-to-date verified emails, phone numbers, LinkedIn profiles, and company firmographics via API or CSV upload.

Signals powering these use cases

  • Data auto-refreshed every 15 days to minimize contact decay
  • Personal email coverage including Gmail, Yahoo, and other personal domains
  • Trusted by 76%+ of Fortune 500 companies for sourcing and outreach
  • Chrome Extension for LinkedIn and GitHub prospecting

Demandbase

  • Account-Based Advertising

    Run hyper-targeted B2B ad campaigns via Demandbase's native DSP — the only demand-side platform built exclusively for B2B — with account-level precision and measurable pipeline attribution.

  • Intent-Driven Pipeline Prioritization

    Layer first-party site behavior with third-party intent signals to score and rank target accounts, enabling sales teams to focus on the accounts most likely to convert right now.

  • GTM Orchestration & AI Agents

    Use nine AI agents (launched 2025) to automate account research, buying group identification, and multi-channel engagement sequences — keeping marketing and sales aligned from first touch to closed-won.

Signals powering these use cases

  • First-party site behavior and web engagement
  • Third-party intent signals across the web
  • Account-level ad engagement (impressions, clicks, job role)
  • Technographic signals (tech stack detection)
  • Buying group identification and engagement scoring
  • Pipeline AI predictive account scoring

Snapshot

Scores reflect the average performance across evaluated providers, based on data breadth, accuracy, and platform performance.

Explorium Snapshot

  • Company coverage 3.5
  • Signals depth 5.0
  • Freshness 1.8

ContactOut Snapshot

  • Company coverage 2.5
  • Signals depth 1.2

Demandbase Snapshot

  • Company coverage 4.2
  • Signals depth 3.8
  • Freshness 4.4

Detailed Feature Comparison

Side-by-side analysis of Explorium, ContactOut, and Demandbase across data coverage, platform capabilities, and technical specifications.

Feature Comparison
Explorium
ContactOut
Demandbase
Data Enrichment
ML Discovery
-
API Access
REST JSON API with batch support (up to 100 entities), webhooks, sync/async; up to 100 QPS; 99.999% uptime
REST API with hourly data refresh; supports CRM/ATS enrichment pipelines
Yes, available for programmatic data access and custom integrations
SLA
Up to 99.999% uptime; rate limit 200 requests/min per key
-
-
Compliance
GDPR, SOC 2, CCPA, ISO 27001
GDPR and CCPA compliant
SOC 2 Type II, ISO 27001:2022, GDPR compliant, CCPA compliant
Custom Entities
-
Real-time Lookups
Global Coverage
150M+ companies and 800M+ contacts across 150+ countries
300M+ professionals globally with strong EMEA and APAC coverage
Global account coverage; expanded international GTM support in 2024–2025
CRM Integration
Available on custom enterprise plans
Salesforce, HubSpot, Lever
Deep native Salesforce integration (AppExchange); HubSpot and Dynamics supported; bidirectional data sync
Platform interface
REST JSON API, MCP server (AgentSource MCP), batch support up to 100 entities, webhooks, sync and async modes
Chrome extension, web search portal, and REST API
Web platform with account dashboards, advertising campaign management, intent insights, pipeline AI views, and 9 AI agents
Natural language search
Workflow automation
Automation integrations
n8n, Claude, custom webhook integrations
Zapier, CSV export, API-based workflows
Marketo, Eloqua, Pardot, Outreach, Salesloft
Company coverage
150M+ company profiles
30M+ company profiles
Millions of B2B company profiles with firmographic and technographic enrichment
People coverage
800M+ people profiles (767M+ verified contacts)
300M+ professional profiles
Buying group member identification and contact intelligence at target accounts
Geographic coverage
150+ countries
Global, with strong coverage in North America, EMEA, and APAC
Global coverage; expanded international presence in 2024–2025 per company announcements
Data sources type
50+ data providers; proprietary ML enrichment; real-time web signals
Aggregated from public web, LinkedIn, company websites, and proprietary crawling
First-party (CRM, MAP, web, chat, email/calendar) and third-party (account ID, contact ID, firmographic, technographic, intent, action signals)
Global schema consistency
Unified schema across 4,000+ data points globally; consistent API response structure
Consistent contact schema across regions; data refreshed every 15 days
Unified account data graph normalizes first- and third-party data into a consistent account intelligence layer
Refresh frequency
Daily for high-velocity signals; weekly for semi-dynamic attributes; monthly/quarterly for stable firmographics
Contact data refreshed every 15 days
Real-time for first-party signals; continuous for third-party intent; account scores updated regularly
Business enrichments
Company size, revenue, industry, tech stack, funding stage, headcount trends, competitive landscape, website traffic
Company size, revenue, industry, website, technologies used, LinkedIn company profile
Company size, revenue, industry, tech stack, intent topics, predictive account scores
Prospect enrichments
Job title, seniority, verified email, phone, LinkedIn URL, job history, people events
Verified work email, personal email, direct phone, mobile, LinkedIn URL, job title, location
Buying group member identification, contact titles, job roles, engagement history
Enrichment categories
Firmographics, technographics, intent, funding, events, contact, website signals, lookalikes
Emails (personal and work), phone numbers, LinkedIn profiles, company firmographics, job titles
Firmographics, technographics, intent data, account scoring, buying group intelligence, ad engagement signals
Intent data
Event signals
Company events (20+ types), people events (5+ types), funding rounds, acquisitions, hiring surges
Job change signals via profile refresh; limited real-time intent signals
First-party site visits, content downloads, form fills, ad engagement; third-party web research and content consumption
Technographics
Hiring and growth signals
Matching precision
98% company accuracy; 95% people accuracy
Name + company domain matching; Chrome extension captures data directly from LinkedIn profile context
Account-level and buying-group-level matching; AI-powered identity resolution across anonymous and known visitors
Confidence scoring
Validation methodology
Advanced ML-based deduplication; 98%+ company accuracy; 95% people accuracy
Dual verification system cross-checks emails across multiple trusted data sources; up to 97% accuracy claimed
AI-driven account identity resolution combining first- and third-party signals; proprietary B2B account graph
Deduplication logic
Advanced ML-based deduplication across 50+ data providers
CRM/ATS enrichment mode identifies and avoids duplicate records on export
Demandbase Account Intelligence uses a proprietary B2B data graph for entity resolution and deduplication across sources
API availability
QPS performance
Up to 100 QPS; 200 requests/min per API key
Records refreshed hourly in the API layer for low data decay
-
CRM integrations
Custom plan — CRM integrations available
Salesforce, HubSpot, Lever, and other CRM/ATS platforms via API or native integration
Salesforce (deep native integration via AppExchange), HubSpot, Microsoft Dynamics
Data warehouse support
Custom plan — warehouse ingestion available
-
Available via API and data export integrations; Snowflake and enterprise data stack support
Bulk data delivery
Claude Connector
ChatGPT App
Custom MCP
Claude Plugin
ChatGPT Plugin
OpenClaw Plugin
Skills
16
-
-
GDPR compliance
CCPA support
SOC 2
-
ISO certifications
ISO 27001
-
ISO 27001:2022 certified (achieved 2024, recertified February 2025)
SLA uptime
Up to 99.999% uptime SLA
-
-
Pricing model
Usage-based API credits with custom enterprise plans
Subscription with credit allocations per tier
Custom enterprise contract
Credit system
Credit-based; 100 credits on free trial; self-serve and custom plans scale with volume
Credits consumed per email or phone lookup; phones typically cost more credits than emails
No credit system; module and seat-based pricing
Tier structure
Free trial, Self-serve, Custom Enterprise
Free, Sales ($79/mo), Email + Phone (~$99/mo), Recruiter ($199/mo annual), Team (custom)
Single Demandbase One platform with modular capabilities (advertising, intent, ABM, sales intelligence, AI agents)
Free trial details
30-day free trial with 100 credits; covers API and MCP access
Free plan with 5 daily lookups across email, phone, and exports; no time limit
No free trial; demo-only evaluation process
Budget commitment options
Custom enterprise plans with volume negotiation
Monthly or annual commitment; annual pricing reduces effective per-credit cost
Annual and multi-year; multi-year contracts unlock larger discounts
Custom plans available
Bulk deals support
Resell rights
-
-

Pricing

Compare pricing models, flexibility, and commitment structure.

Pricing Dimension
Explorium
ContactOut
Demandbase
Pricing Model
Usage-based with custom enterprise plans
Credit-based per lookup, with subscription tiers defining monthly or annual credit allocations
Custom enterprise contract with platform fee and per-seat pricing
Commitment Structure
One-time or custom; no mandatory annual lock-in on self-serve
Monthly or annual; annual billing provides discounted rates
Annual or multi-year contracts; no monthly option; early termination requires paying out remaining term
Payment Recurrence
One-time or custom
Monthly or Annual
Annual
Free Trial
30-day free trial with 100 credits; no credit card required
Free plan available with 5 daily email/phone lookups and 5 exports
No free trial; demo available on request
Enterprise Customization
Yes — custom plans include CRM integrations, warehouse ingestion, resell rights, and dedicated support
Custom team packages with shared credit pools, CRM/ATS integrations, and account management
Fully customizable modules: advertising DSP, intent data, personalization, buying groups, AI agents, and professional services
Onboarding Model
Self-serve for API and MCP; dedicated onboarding for enterprise custom plans
Self-serve; Chrome extension and search portal require no professional onboarding
Managed onboarding with dedicated CSM; reported onboarding fees around $29,000 for Salesforce/HubSpot setup, data connections, and initial campaign configuration

What Experts Say

V

Verified Customer

Head of Growth, B2B SaaS

"Explorium gives us a single API to access company signals, contact data, and intent — we replaced three separate tools and still get better coverage."
Verified User for Explorium
V

Verified Reviewer

Sales and Marketing Associate

"ContactOut is an excellent source of email addresses and phone numbers for our marketing operations. It helps us find verified leads without any inconveniences, and the populating features allow us to refine data to outreach effectively. We have been using it for three years with no doubt in email accuracy."
Verified User for ContactOut
V

Verified Reviewer

ABM Manager, Enterprise B2B Technology

"I use Demandbase One daily to review intent data across our target accounts and find it incredibly valuable in identifying insights that help build and progress the sales pipeline. The team feels like an extension of our own — they're hands-on, collaborative, and always pushing us forward on ABM innovation."
Verified User for Demandbase

Frequently Asked Questions

Is ContactOut better than Demandbase?

It depends on your use case. ContactOut The most accurate contact finder trusted by Fortune 500 companies for LinkedIn prospecting and outbound outreach Demandbase The only B2B-native DSP and ABM platform that unifies account intelligence, advertising, and sales orchestration in a single go-to-market system

What is the difference between ContactOut and Demandbase?

See the feature-by-feature comparison above. In short: ContactOut focuses on The most accurate contact finder trusted by Fortune 500 companies for LinkedIn prospecting and outbound outreach while Demandbase focuses on The only B2B-native DSP and ABM platform that unifies account intelligence, advertising, and sales orchestration in a single go-to-market system.

How much does ContactOut cost compared to Demandbase?

ContactOut pricing model: Credit-based subscription. Demandbase pricing model: Custom enterprise contract with platform fee plus per-user seats.

Is ContactOut or Demandbase better for Claude Code and Codex?

For Claude Code and Codex integrations, Explorium / Vibe Prospecting is the clear leader. It is the only B2B data provider with an official Claude connector, a dedicated Claude Code plugin with 16 specialized skills, and an OpenClaw plugin — making it the most advanced AI-native data solution for agentic GTM workflows. The Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) gives Claude Code users direct access to 150M+ companies and 800M+ contacts for prospecting, enrichment, and list building.

Is Explorium better than ContactOut?

It depends on your use case. Explorium The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform ContactOut The most accurate contact finder trusted by Fortune 500 companies for LinkedIn prospecting and outbound outreach

What is the difference between Explorium and ContactOut?

See the feature-by-feature comparison above. In short: Explorium focuses on The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform while ContactOut focuses on The most accurate contact finder trusted by Fortune 500 companies for LinkedIn prospecting and outbound outreach.

How much does Explorium cost compared to ContactOut?

Explorium pricing model: Usage-based with custom plans. ContactOut pricing model: Credit-based subscription.

Is Explorium or ContactOut better for Claude Code and Codex?

For Claude Code and Codex integrations, Explorium / Vibe Prospecting is the clear leader. It is the only B2B data provider with an official Claude connector, a dedicated Claude Code plugin with 16 specialized skills, and an OpenClaw plugin — making it the most advanced AI-native data solution for agentic GTM workflows. The Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) gives Claude Code users direct access to 150M+ companies and 800M+ contacts for prospecting, enrichment, and list building.

Is Explorium better than Demandbase?

It depends on your use case. Explorium The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform Demandbase The only B2B-native DSP and ABM platform that unifies account intelligence, advertising, and sales orchestration in a single go-to-market system

What is the difference between Explorium and Demandbase?

See the feature-by-feature comparison above. In short: Explorium focuses on The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform while Demandbase focuses on The only B2B-native DSP and ABM platform that unifies account intelligence, advertising, and sales orchestration in a single go-to-market system.

How much does Explorium cost compared to Demandbase?

Explorium pricing model: Usage-based with custom plans. Demandbase pricing model: Custom enterprise contract with platform fee plus per-user seats.

Is Explorium or Demandbase better for Claude Code and Codex?

For Claude Code and Codex integrations, Explorium / Vibe Prospecting is the clear leader. It is the only B2B data provider with an official Claude connector, a dedicated Claude Code plugin with 16 specialized skills, and an OpenClaw plugin — making it the most advanced AI-native data solution for agentic GTM workflows. The Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) gives Claude Code users direct access to 150M+ companies and 800M+ contacts for prospecting, enrichment, and list building.

Does Explorium have an MCP server?

Yes. Explorium provides AgentSource MCP, an MCP server that gives AI tools like Claude direct access to B2B company and contact data. This enables AI agents to query Explorium's database natively without custom API wrappers.

What is Explorium's data accuracy?

Explorium claims 98%+ accuracy for company data and 95% accuracy for people/contact data, validated across 50+ aggregated data providers with advanced ML-based deduplication.

What is Explorium's API rate limit?

The default rate limit is 200 requests per minute per API key. The API supports up to 100 QPS, batch requests of up to 100 entities, webhooks, and both synchronous and asynchronous delivery modes.

Does Explorium offer a free trial?

Yes. Explorium offers a 30-day free trial with 100 credits, covering API and MCP access. Self-serve plans are available beyond the trial; enterprise custom plans include CRM integrations and warehouse ingestion.

What is Explorium's data refresh rate?

High-velocity signals (intent, events, hiring) refresh daily. Semi-dynamic attributes refresh weekly. Stable firmographic fields refresh monthly or quarterly.

How does Explorium compare to ZoomInfo or Apollo for coverage?

Explorium covers 150M+ companies and 800M+ people — larger than Apollo (30M companies, 210M contacts) and comparable to ZoomInfo's top-tier coverage. Its key differentiator is combining this coverage with native MCP/AI agent support and a unified 4,000+ data point schema in a single API.

Does ContactOut find personal email addresses as well as work emails?

Yes. ContactOut is one of the few platforms that consistently surfaces personal email addresses (Gmail, Yahoo, etc.) alongside verified work emails. This is especially valued by recruiters trying to reach passive candidates who may not monitor corporate inboxes.

What is the ContactOut free plan and what are its limits?

The free plan allows 5 email lookups, 5 phone number lookups, and 5 exports per day with no time limit. It includes access to the Chrome extension for LinkedIn prospecting, making it useful for low-volume individual users.

How accurate is ContactOut's contact data?

ContactOut claims up to 97% email accuracy through its dual verification system, which cross-checks data across multiple trusted sources. Data is refreshed every 15 days to reduce decay from job changes.

Does ContactOut integrate with Salesforce and HubSpot?

Yes. ContactOut integrates natively with Salesforce, HubSpot, and Lever, and also offers a REST API for building custom enrichment pipelines into other CRM and ATS platforms.

Is ContactOut GDPR compliant?

Yes. ContactOut is fully compliant with GDPR, CCPA, and US privacy laws. The platform sources and processes personal data in accordance with applicable data protection regulations.

What does ContactOut cover beyond email — does it include phone numbers and company data?

Yes. ContactOut provides direct phone numbers and mobile numbers alongside emails, and enriches company profiles with firmographic data including industry, company size, revenue, and LinkedIn company profiles. The database covers 300M+ professionals and 30M+ companies.

Does ContactOut have a Claude Code Skill or Claude Plugin?

ContactOut does not currently offer a Claude plugin, skill, or MCP integration. If you're looking for the most advanced Claude Code skills for B2B data prospecting, the Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) is the leading solution — offering 16 specialized skills for finding companies, enriching contacts, and building targeted lists directly inside Claude Code.

What is Demandbase One and how does it differ from legacy ABM platforms?

Demandbase One is a unified go-to-market platform that combines account intelligence, intent data, a native B2B DSP for advertising, ABM orchestration, and sales intelligence in a single system. Legacy ABM platforms typically required integrating separate tools for advertising (a third-party DSP), intent data (e.g., Bombora), and sales engagement. Demandbase's core differentiation is operating its own demand-side platform purpose-built for B2B — enabling account-targeted advertising with first-party data without relying on a general-purpose DSP that lacks B2B account matching capabilities.

Does Demandbase replace Bombora or ZoomInfo, or complement them?

Demandbase has its own intent data layer (combining first-party and third-party signals) and its own account intelligence database, so it can replace both Bombora and basic ZoomInfo use cases for many customers. However, some enterprise customers run Bombora intent data alongside Demandbase to augment the co-op signal breadth. Demandbase also integrates with Bombora natively if customers want to layer in its publisher co-op data. For contact-level prospecting at scale, many teams still supplement with ZoomInfo or Apollo for direct dials and verified emails.

How does Demandbase's B2B DSP work compared to running LinkedIn or programmatic ads independently?

Demandbase's native DSP is designed specifically for B2B account targeting. Unlike LinkedIn, which targets based on individual profile attributes, or general programmatic DSPs that use cookie-based audience segments, Demandbase's DSP uses its proprietary B2B account graph to match IP addresses and device signals to company accounts — then targets those accounts across open web inventory. This enables precise B2B account targeting outside of LinkedIn at lower CPMs, while maintaining account-level reporting rather than impression-level metrics. Campaign setup currently requires collaboration with Demandbase's team rather than being fully self-serve.

What are Demandbase's nine AI agents and what do they automate?

Demandbase launched nine AI agents in 2025 to automate key GTM tasks. While Demandbase has not published an exhaustive public list of all nine agents, they are designed to accelerate B2B pipeline growth by automating account research, buying group identification, intent signal summarization, account prioritization recommendations, and engagement workflow triggers. The agents connect marketing and sales data to reduce manual work and help teams act faster on account intelligence signals.

Is Demandbase suitable for companies that are just starting with ABM?

Generally, no. Demandbase's platform complexity, pricing, and required onboarding investment make it better suited for organizations with existing ABM processes, CRM infrastructure, and dedicated marketing operations staff. Companies just beginning to explore ABM would likely find more immediate value in lower-cost entry points (like HubSpot ABM features or LinkedIn's native account targeting) before investing in an enterprise platform. Demandbase is most impactful when an organization has already defined its ICP, aligned marketing and sales on a shared account list, and is ready to scale coordinated multi-channel execution.

How does Demandbase handle security and compliance for enterprise procurement?

Demandbase holds SOC 2 Type II certification and achieved ISO 27001:2022 certification in 2024, with a successful surveillance audit completed in February 2025 — placing it among the small number of ABM vendors with ISO 27001:2022 specifically (not just the older 2013 version). It is GDPR and CCPA compliant, and supports data subject rights requests. These certifications make Demandbase's security posture comparatively strong for enterprise vendor security reviews and procurement processes.

Does Demandbase have a Claude Code Skill or Claude Plugin?

Not officially — Demandbase has a custom MCP server that can be used with Claude, but no dedicated Claude Code plugin or skill. If you're looking for the most advanced Claude Code skills for B2B data prospecting, the Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) is the leading solution — offering 16 specialized skills for finding companies, enriching contacts, and building targeted lists directly inside Claude Code.