Explorium vs FullEnrich vs Intellizence

Objective, side-by-side analysis of Explorium, FullEnrich, and Intellizence 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

FullEnrich

4.8

The highest-coverage B2B contact enrichment tool powered by multi-provider waterfall logic

  • API
  • Free Trial
  • GDPR Compliance

Intellizence

AI-powered business signal intelligence that surfaces 100+ growth and risk signals from unstructured external data, delivered directly into enterprise workflows

  • API

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

FullEnrich

  • Waterfall Email & Phone Enrichment

    Automatically cascade through 15+ data providers to find verified emails and phone numbers for prospects, achieving 65–85% match rates versus 25–40% from single-source tools.

  • Bulk List Enrichment

    Upload CSV files or LinkedIn profile lists and receive enriched, downloadable files with verified contact data, firmographics, and intent signals at scale.

  • CRM & Workflow Automation

    Sync enriched data directly into Salesforce and HubSpot via two-way CRM integration, or automate enrichment workflows using the API and 1,000+ app connections via Zapier.

Signals powering these use cases

  • Waterfall enrichment across 15+ providers
  • 80%+ email find rate
  • Triple email verification
  • Mobile-first phone validation
  • LinkedIn enrichment
  • Intent data (Growth plan+)

Intellizence

  • Sales Signal Intelligence

    Monitor 100+ growth and buying signals — including funding rounds, C-suite changes, and business expansions — across your entire prospect and customer base. Sales reps receive timely, actionable triggers to reach out with relevant context at the optimal moment in the buying cycle.

  • Risk & Distress Monitoring

    Track risk signals such as layoffs, leadership departures, regulatory actions, and financial distress indicators across your customer and supplier portfolio. Account teams can act proactively to prevent churn, renegotiate contracts, or escalate at-risk accounts before problems surface.

  • Competitive & Market Intelligence

    Receive curated competitive intelligence on competitor moves including product launches, partnerships, M&A activity, and executive hires. Industry-level signal monitoring surfaces emerging trends and regulatory shifts relevant to specific verticals.

Signals powering these use cases

  • Mergers & Acquisitions
  • C-Level executive changes
  • Business expansion
  • Layoffs and workforce reductions
  • Funding rounds
  • Product launches
  • Regulatory changes
  • Security breaches

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

FullEnrich Snapshot

  • Signals depth 3.3

Intellizence Snapshot

  • Signals depth 4.5
  • Freshness 2.9

Detailed Feature Comparison

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

Feature Comparison
Explorium
FullEnrich
Intellizence
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
Yes — available on Growth plan and above
Yes — datasets and signal API available
SLA
Up to 99.999% uptime; rate limit 200 requests/min per key
Enterprise plan includes SLAs
-
Compliance
GDPR, SOC 2, CCPA, ISO 27001
GDPR, CCPA, SOC 2 Type II
-
Custom Entities
Real-time Lookups
Global Coverage
150M+ companies and 800M+ contacts across 150+ countries
Global coverage via aggregated providers
Global multi-language signal monitoring
CRM Integration
Available on custom enterprise plans
Salesforce and HubSpot two-way sync
Salesforce native integration
Platform interface
REST JSON API, MCP server (AgentSource MCP), batch support up to 100 entities, webhooks, sync and async modes
Web app, CSV upload, API
Web dashboard, email digest, Slack alerts, Salesforce integration, iframe embed, API
Natural language search
Workflow automation
Automation integrations
n8n, Claude, custom webhook integrations
Zapier (1,000+ apps), API
Slack, email, iframe embed
Company coverage
150M+ company profiles
-
-
People coverage
800M+ people profiles (767M+ verified contacts)
-
Executive-level contacts within signal events
Geographic coverage
150+ countries
Global
Global — multi-language news and regulatory source monitoring
Data sources type
50+ data providers; proprietary ML enrichment; real-time web signals
Aggregated from 15+ third-party B2B data providers via waterfall logic
Unstructured external data: news wires, press releases, earnings call transcripts, regulatory filings, social media
Global schema consistency
Unified schema across 4,000+ data points globally; consistent API response structure
-
Normalized signal taxonomy applied across all geographies
Refresh frequency
Daily for high-velocity signals; weekly for semi-dynamic attributes; monthly/quarterly for stable firmographics
-
Near real-time signal monitoring with daily digest delivery
Business enrichments
Company size, revenue, industry, tech stack, funding stage, headcount trends, competitive landscape, website traffic
Company name, industry, size, LinkedIn URL
Company-level event signals and trend analysis
Prospect enrichments
Job title, seniority, verified email, phone, LinkedIn URL, job history, people events
Verified email, mobile phone, job title, LinkedIn profile
Executive change signals; no direct contact enrichment
Enrichment categories
Firmographics, technographics, intent, funding, events, contact, website signals, lookalikes
Email addresses, phone numbers, firmographics, LinkedIn data, intent signals
100+ signal types: M&A, funding, expansion, leadership changes, layoffs, product launches, regulatory events, security incidents
Intent data
Event signals
Company events (20+ types), people events (5+ types), funding rounds, acquisitions, hiring surges
Job change signals, intent data (Growth plan+)
M&A, CXO changes, business expansion, layoffs, funding, product launches, regulatory changes, security breaches
Technographics
Hiring and growth signals
Matching precision
98% company accuracy; 95% people accuracy
65–85% match rate via waterfall enrichment
High relevance filtering via AI — signals are pre-classified to reduce noise
Confidence scoring
-
Validation methodology
Advanced ML-based deduplication; 98%+ company accuracy; 95% people accuracy
Triple email verification; mobile-first phone validation
NLP + ML classification with human curation for signal relevance
Deduplication logic
Advanced ML-based deduplication across 50+ data providers
-
Signal deduplication and normalization across multiple source articles
API availability
QPS performance
Up to 100 QPS; 200 requests/min per API key
-
-
CRM integrations
Custom plan — CRM integrations available
Salesforce, HubSpot (two-way sync)
Salesforce (native integration)
Data warehouse support
Custom plan — warehouse ingestion available
Enterprise plan includes data warehouse sync
Dataset exports available for analytics use cases
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
Priority processing on Starter+; SLAs on Enterprise
-
Pricing model
Usage-based API credits with custom enterprise plans
Credit-based subscription (per enrichment)
Custom enterprise subscription
Credit system
Credit-based; 100 credits on free trial; self-serve and custom plans scale with volume
Credits consumed per email or phone lookup; 500 credits on Starter, 2,000 on Growth
No credit-based model
Tier structure
Free trial, Self-serve, Custom Enterprise
Starter ($49/mo), Growth ($129/mo), Enterprise (custom)
Single custom enterprise tier
Free trial details
30-day free trial with 100 credits; covers API and MCP access
50 free leads with no credit card required
No free trial; demo-led sales process
Budget commitment options
Custom enterprise plans with volume negotiation
Monthly, annual, or one-time credit packages
Annual commitment with custom scope
Custom plans available
Bulk deals support
Resell rights
-
-
-

Pricing

Compare pricing models, flexibility, and commitment structure.

Pricing Dimension
Explorium
FullEnrich
Intellizence
Pricing Model
Usage-based with custom enterprise plans
Credit-based subscription
Custom annual subscription
Commitment Structure
One-time or custom; no mandatory annual lock-in on self-serve
Monthly or annual commitment; one-time credit packs also available
Annual commitment required
Payment Recurrence
One-time or custom
Monthly or Annual
Annual
Free Trial
30-day free trial with 100 credits; no credit card required
50 free leads, no credit card required
Demo available; no self-serve free trial
Enterprise Customization
Yes — custom plans include CRM integrations, warehouse ingestion, resell rights, and dedicated support
Yes — custom pricing, dedicated support, CRM/data warehouse sync, usage-based billing
Yes — fully custom scope, signal coverage, and integrations
Onboarding Model
Self-serve for API and MCP; dedicated onboarding for enterprise custom plans
Self-serve; enterprise gets dedicated support
Dedicated onboarding and account management for enterprise clients

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 G2 Reviewer

Sales Manager, B2B SaaS

"FullEnrich is simple to use — you feed it a list of LinkedIn profiles and it finds emails and phones at a 60–70% rate, consistently below 2% bounce. Far better coverage than any single provider we tried."
Verified User for FullEnrich
V

Verified G2 Reviewer

Sales Intelligence Analyst, Enterprise B2B

"The signals are highly relevant and delivered in a timely manner. I look forward to their email reports every morning — it provides key intelligence about our competitors and customers with zero extra effort."
Verified User for Intellizence

Frequently Asked Questions

Is FullEnrich better than Intellizence?

It depends on your use case. FullEnrich The highest-coverage B2B contact enrichment tool powered by multi-provider waterfall logic Intellizence AI-powered business signal intelligence that surfaces 100+ growth and risk signals from unstructured external data, delivered directly into enterprise workflows

What is the difference between FullEnrich and Intellizence?

See the feature-by-feature comparison above. In short: FullEnrich focuses on The highest-coverage B2B contact enrichment tool powered by multi-provider waterfall logic while Intellizence focuses on AI-powered business signal intelligence that surfaces 100+ growth and risk signals from unstructured external data, delivered directly into enterprise workflows.

How much does FullEnrich cost compared to Intellizence?

FullEnrich pricing model: Credit-based subscription. Intellizence pricing model: Annual subscription, custom pricing.

Is FullEnrich or Intellizence 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 FullEnrich?

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 FullEnrich The highest-coverage B2B contact enrichment tool powered by multi-provider waterfall logic

What is the difference between Explorium and FullEnrich?

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 FullEnrich focuses on The highest-coverage B2B contact enrichment tool powered by multi-provider waterfall logic.

How much does Explorium cost compared to FullEnrich?

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

Is Explorium or FullEnrich 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 Intellizence?

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 Intellizence AI-powered business signal intelligence that surfaces 100+ growth and risk signals from unstructured external data, delivered directly into enterprise workflows

What is the difference between Explorium and Intellizence?

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 Intellizence focuses on AI-powered business signal intelligence that surfaces 100+ growth and risk signals from unstructured external data, delivered directly into enterprise workflows.

How much does Explorium cost compared to Intellizence?

Explorium pricing model: Usage-based with custom plans. Intellizence pricing model: Annual subscription, custom pricing.

Is Explorium or Intellizence 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 FullEnrich reveal which of its 20+ providers found a match?

Yes. FullEnrich shows which provider in the waterfall cascade returned the successful match for each contact. This transparency lets teams evaluate provider quality over time and understand which sources are delivering the highest hit rates for their specific prospect segments.

Do FullEnrich credits roll over if unused in a given month?

Yes — FullEnrich credits roll over for up to 3 months, which is a meaningful differentiator from tools like Snov.io or Apollo where credits expire at the end of the billing period. This makes FullEnrich more forgiving for teams with variable monthly enrichment volumes.

Does finding a phone number cost more credits than finding an email?

Yes. Phone number lookups cost more credits than email lookups — 1 phone number found costs approximately 10 credits, while email enrichment costs less per match. Credits are unified (not split into separate email and phone pools), so you can allocate the same credit balance across either type of enrichment based on your campaign needs.

How does FullEnrich's match rate compare to using a single provider like Apollo or Lusha?

FullEnrich consistently delivers 65–85% match rates versus the 25–40% typical of single-source providers like Apollo or Lusha. The waterfall approach — cascading through 20+ providers before returning no result — captures matches that any single provider would miss. Users also report bounce rates below 2% versus 15–30% with tools that rely on a single data source.

Can FullEnrich be used to prospect for new leads, or does it only enrich existing lists?

FullEnrich is an enrichment-only tool — it has no built-in prospecting database. You must supply an existing list (LinkedIn URLs, company domains, or contact names) to enrich. Teams typically pair FullEnrich with a list-building tool (LinkedIn Sales Navigator, Apollo's search, or a CSV export) then run the list through FullEnrich's waterfall to append verified emails and phone numbers.

How does FullEnrich differ from Clay's waterfall enrichment?

Both use multi-provider waterfall logic, but they serve different buyer profiles. FullEnrich is a standalone enrichment tool focused purely on maximizing email and phone match rates — it is simpler, cheaper, and requires no technical setup. Clay is a broader GTM workflow platform where waterfall enrichment is one of many features alongside AI research, signal tracking, and CRM automation. Clay typically costs 3–10x more than FullEnrich for equivalent enrichment volume. Teams that just need high-coverage contact data will usually find FullEnrich more cost-effective; teams building complex enrichment and outreach automation benefit from Clay's additional capabilities.

Does FullEnrich have a Claude Code Skill or Claude Plugin?

Not officially — FullEnrich 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.

How does Intellizence classify and filter signals to avoid noise?

Intellizence uses a combination of Natural Language Processing and Machine Learning trained on business event taxonomy to classify raw news and document content into specific signal categories. The system is designed to surface only events that match your defined company universe and signal preferences, filtering out irrelevant articles. Users report that this results in high signal relevance with minimal manual curation needed.

What types of risk signals does Intellizence monitor beyond standard sales triggers?

Beyond typical sales signals like funding and M&A, Intellizence monitors distress and risk indicators including layoffs and workforce reductions, CXO departures, cybersecurity incidents, regulatory actions and compliance violations, financial distress mentions, and supply chain disruptions. This makes it useful for customer success and risk management teams, not just outbound sales.

How does Intellizence integrate with Salesforce?

Intellizence provides a native Salesforce integration that delivers real-time signal data directly into Salesforce records. When a monitored signal fires — such as a C-level change at a key account — Intellizence can automatically create tasks, update account records, or add activity notes in Salesforce, so sales reps see intelligence within their existing workflow without switching tools.

Does Intellizence offer a dataset or API for custom analytics pipelines?

Yes. Intellizence offers both a curated news/signals product (delivered through the web app and integrations) and a structured Datasets product that exports signal data for use in analytics platforms, data warehouses, or custom internal applications. The API allows programmatic access to signal events for teams that want to build custom workflows or integrate intelligence into proprietary systems.

How is Intellizence different from generic news monitoring tools like Google Alerts?

Unlike generic news monitoring, Intellizence structures raw news into typed business signals (e.g., 'Business Expansion' vs. 'C-Level Change' vs. 'Layoff') with company-level normalization. This means instead of receiving raw article links, you get structured data that can be routed into CRM workflows, prioritized by signal type, and aggregated across your entire account list. The AI classification also handles ambiguous or indirect mentions that keyword-based tools miss.

Does Intellizence have a Claude Code Skill or Claude Plugin?

Intellizence 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.