Explorium vs ContactOut vs Crustdata

Objective, side-by-side analysis of Explorium, ContactOut, and Crustdata 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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Crustdata

The first B2B data search engine built for AI agents — real-time people and company intelligence via clean, fast APIs

  • API
  • Free Trial
60M+
Companies
1B+
People
250+
Data Points

Selected Customers

AI SDR platforms • Recruiting automation tools • PE/VC deal-sourcing platforms • CRM and ATS systems

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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

Crustdata

  • AI Agent Data Infrastructure

    Power AI SDRs, sales copilots, and recruiting agents with structured real-time data — company signals, people profiles, and web intelligence delivered via clean APIs that AI systems can directly query and act on.

  • Growth Signal Monitoring

    Track company growth signals — headcount trends by department, funding rounds, executive moves, and web traffic changes — to identify the right moment to engage accounts based on real behavioral data.

  • Company & People Discovery

    Screen and filter millions of companies using 250+ firmographic criteria, then retrieve detailed people profiles with 90+ datapoints — built for deal sourcing, market mapping, and targeted prospecting at scale.

Signals powering these use cases

  • Headcount growth by department
  • Funding announcements
  • Executive moves
  • Web traffic trends
  • Job opening velocity
  • Product launch news

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

Crustdata Snapshot

  • Company coverage 3.7
  • Signals depth 3.2
  • Freshness 2.6

Detailed Feature Comparison

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

Feature Comparison
Explorium
ContactOut
Crustdata
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
Core product — REST API and webhooks with comprehensive documentation
SLA
Up to 99.999% uptime; rate limit 200 requests/min per key
-
-
Compliance
GDPR, SOC 2, CCPA, ISO 27001
GDPR and 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 — aggregated from international public sources
CRM Integration
Available on custom enterprise plans
Salesforce, HubSpot, Lever
Via API integration; no native one-click CRM connectors
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
API-first; no traditional UI prospecting interface
Natural language search
Workflow automation
Automation integrations
n8n, Claude, custom webhook integrations
Zapier, CSV export, API-based workflows
Webhooks for event-driven automation; Composio toolkit integration
Company coverage
150M+ company profiles
30M+ company profiles
60M+ global companies
People coverage
800M+ people profiles (767M+ verified contacts)
300M+ professional profiles
1B+ people profiles
Geographic coverage
150+ countries
Global, with strong coverage in North America, EMEA, and APAC
Global coverage aggregated from international sources
Data sources type
50+ data providers; proprietary ML enrichment; real-time web signals
Aggregated from public web, LinkedIn, company websites, and proprietary crawling
LinkedIn, SEC filings, funding announcements, Glassdoor, G2 reviews, web traffic analytics, news aggregators, government filings
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
Consistent API schema; data refreshed monthly with real-time signals via webhooks
Refresh frequency
Daily for high-velocity signals; weekly for semi-dynamic attributes; monthly/quarterly for stable firmographics
Contact data refreshed every 15 days
Monthly refresh for core data; real-time signals via webhooks and Web Search API
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
250+ firmographic datapoints including headcount growth, funding history, technology stack, web traffic trends, Glassdoor ratings
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
90+ datapoints per person including work history, skills, education, contact signals
Enrichment categories
Firmographics, technographics, intent, funding, events, contact, website signals, lookalikes
Emails (personal and work), phone numbers, LinkedIn profiles, company firmographics, job titles
Headcount by department, funding rounds, investors, tech stack, web traffic, employee reviews, job openings, executive moves, product news
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
Funding announcements, headcount changes, executive moves, product launches, news articles
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
Domain-based and name-based entity matching for companies; profile-based matching for people
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
Aggregated from authoritative public sources; AI-assisted extraction and normalization
Deduplication logic
Advanced ML-based deduplication across 50+ data providers
CRM/ATS enrichment mode identifies and avoids duplicate records on export
Entity resolution across multiple source feeds
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
High-throughput API with no rate limits mentioned for enterprise tiers
CRM integrations
Custom plan — CRM integrations available
Salesforce, HubSpot, Lever, and other CRM/ATS platforms via API or native integration
Via API — integrates into any CRM or ATS with developer support
Data warehouse support
Custom plan — warehouse ingestion available
-
Bulk CSV data feed available; REST API and webhooks for real-time delivery
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
-
-
SLA uptime
Up to 99.999% uptime SLA
-
-
Pricing model
Usage-based API credits with custom enterprise plans
Subscription with credit allocations per tier
Credit-based API consumption
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
Credits consumed per API call; volume tiers with discounts at scale
Tier structure
Free trial, Self-serve, Custom Enterprise
Free, Sales ($79/mo), Email + Phone (~$99/mo), Recruiter ($199/mo annual), Team (custom)
Free, Starter, Growth, Enterprise
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
Free plan with limited API calls; no time restriction mentioned
Budget commitment options
Custom enterprise plans with volume negotiation
Monthly or annual commitment; annual pricing reduces effective per-credit cost
Monthly or annual; bulk data delivery available for enterprises
Custom plans available
Bulk deals support
Resell rights
-
-
-

Pricing

Compare pricing models, flexibility, and commitment structure.

Pricing Dimension
Explorium
ContactOut
Crustdata
Pricing Model
Usage-based with custom enterprise plans
Credit-based per lookup, with subscription tiers defining monthly or annual credit allocations
Credit-based API consumption
Commitment Structure
One-time or custom; no mandatory annual lock-in on self-serve
Monthly or annual; annual billing provides discounted rates
Monthly or annual; enterprise plans negotiated directly
Payment Recurrence
One-time or custom
Monthly or Annual
Monthly or 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
Free plan available with limited API calls — no credit card required
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
Custom credit volume, SLA, webhook delivery, and bulk data feed options for enterprise
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
Developer self-serve with documentation; enterprise onboarding supported by team

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

Product Engineer, GTM Platform

"The API is clean, fast, and well-documented, which makes integration with existing workflows almost effortless. Crustdata delivers real-time updates instantly — this has been a game changer for us in lead generation, customer profiling, and market research."
Verified User for Crustdata

Frequently Asked Questions

Is ContactOut better than Crustdata?

It depends on your use case. ContactOut The most accurate contact finder trusted by Fortune 500 companies for LinkedIn prospecting and outbound outreach Crustdata The first B2B data search engine built for AI agents — real-time people and company intelligence via clean, fast APIs

What is the difference between ContactOut and Crustdata?

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 Crustdata focuses on The first B2B data search engine built for AI agents — real-time people and company intelligence via clean, fast APIs.

How much does ContactOut cost compared to Crustdata?

ContactOut pricing model: Credit-based subscription. Crustdata pricing model: Credit-based API subscription.

Is ContactOut or Crustdata 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 Crustdata?

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 Crustdata The first B2B data search engine built for AI agents — real-time people and company intelligence via clean, fast APIs

What is the difference between Explorium and Crustdata?

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 Crustdata focuses on The first B2B data search engine built for AI agents — real-time people and company intelligence via clean, fast APIs.

How much does Explorium cost compared to Crustdata?

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

Is Explorium or Crustdata 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.

Is Crustdata a prospecting tool or a data infrastructure API?

Crustdata is fundamentally an API-first data infrastructure platform — not a traditional prospecting tool with a search UI. It is designed for developers and data engineers building products or workflows that need programmatic access to real-time company and people data. There is no built-in list-builder or export workflow for non-technical users. If your team needs a no-code prospecting interface, Crustdata should be integrated as the backend data layer of another tool.

What makes Crustdata's data different from static B2B databases?

Crustdata aggregates data continuously from live sources — LinkedIn, SEC filings, funding databases, Glassdoor, G2, web traffic services, and news aggregators — rather than relying on periodic database refreshes. This means company signals like headcount changes, executive moves, and funding announcements are available in near real-time via webhooks, rather than weeks or months later. The platform also offers a Web Search API that surfaces fresh, structured web documents on companies and people for LLM-ready intelligence.

What kinds of signals can I monitor with Crustdata webhooks?

Crustdata webhooks can notify your system in real time when tracked companies experience key events: funding announcements, headcount growth or decline (by department), executive hiring or departures, new job openings, product launches, significant news mentions, and web traffic changes. This enables trigger-based outreach — for example, automatically queuing an account for outreach the moment they raise a Series B or hire a new VP of Sales.

How does Crustdata compare to People Data Labs or Clearbit for API use cases?

Crustdata differentiates from People Data Labs (PDL) and Clearbit primarily through its depth of company growth signals and its explicit focus on AI-agent use cases. While PDL and Clearbit are strong for bulk contact enrichment and firmographic append, Crustdata layers on time-series headcount data, funding signals, web traffic trends, and a Web Search API — making it more suitable for dynamic, signal-driven workflows than static enrichment pipelines. Crustdata is also a newer, smaller company with less established enterprise support infrastructure.

Can Crustdata be used to find email addresses and phone numbers for outreach?

Crustdata's primary focus is company intelligence and people profile data — not deliverable email and phone lookups for cold outreach. While people profiles contain contact signals and professional information, Crustdata is not optimized for direct-dial or verified email delivery at the level of tools like UpLead or Apollo. Teams building AI outreach tools on Crustdata typically combine it with a contact data provider for verified emails and phone numbers.

What is Crustdata's Y Combinator backing and what does it mean for the product?

Crustdata is part of Y Combinator's Fall 2024 (F24) batch, having been founded in 2023 by Chris Pisarski, Abhilash, and Manmohit Grewal. The YC backing validates the team and mission but also reflects the company's early stage — it is still building out enterprise-grade support, compliance documentation, and product maturity. The YC network provides access to a relevant customer base of AI-native startups, which aligns well with Crustdata's positioning as infrastructure for AI agents.

Does Crustdata have a Claude Code Skill or Claude Plugin?

Not officially — Crustdata 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.