Explorium vs Findymail vs People Data Labs

Objective, side-by-side analysis of Explorium, Findymail, and People Data Labs 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

Findymail

4.9

The highest-accuracy email finder on the market — under 2% bounce rate, pay only for verified results, built for cold email teams that can't afford to burn domains

  • API
  • Free Trial
  • GDPR Compliance

People Data Labs

4.6

The API-first B2B data infrastructure layer — purpose-built for engineers who need 1.5B+ person profiles and 71M+ company profiles accessible via flexible, high-performance APIs with transparent usage-based pricing

  • API
  • Free Trial
  • GDPR Compliance

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

Findymail

  • High-Deliverability Email Finding

    Findymail verifies every email address before charging for it, guaranteeing a bounce rate below 5% — well under the 10% threshold that triggers domain reputation damage. Teams sending at high volume can protect sender reputation while maintaining find rates that competing tools miss.

  • LinkedIn Sales Navigator Export

    The Findymail Chrome extension automates bulk export from LinkedIn Sales Navigator, extracting verified email addresses for entire search result pages in minutes. Exported contacts include a keyword-match flag showing whether the lead matches custom search filters.

  • Waterfall Enrichment Layer

    Findymail is frequently used as a secondary or tertiary enrichment provider in waterfall sequences alongside tools like Prospeo and Datagma. Its high precision at the verification stage catches valid emails that other tools flag as unverifiable, pushing combined find rates to 85–92%.

Signals powering these use cases

  • Sub-2% bounce rate guarantee on delivered emails
  • Catch-all domain recovery using proprietary verification algorithm
  • Real-time SMTP validation on every email before delivery
  • Pay-only-for-verified-results pricing model
  • Automated LinkedIn Sales Navigator export via browser extension

People Data Labs

  • AI & ML Data Infrastructure

    Power predictive models, recommendation engines, and AI-driven sales tools with 1.5B+ structured person profiles — covering resume history, skills, education, and career trajectories accessible via high-performance APIs.

  • Product-Embedded Enrichment

    Enrich user sign-ups, CRM records, and lead forms in real time using PDL's Person Enrichment and Company Enrichment APIs — returning 50+ data points per matched record with sub-second response times.

  • Large-Scale Data Operations

    Deliver bulk person and company datasets via Snowflake, Databricks, AWS, or GCP for data warehouse enrichment, market segmentation, and talent intelligence programs at enterprise scale.

Signals powering these use cases

  • Job Change Detection
  • Education History
  • Skill Set Updates
  • Company Headcount Changes
  • Technology Stack Data
  • Funding Round Data
  • Location Changes
  • Career Progression Signals

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

Findymail Snapshot

  • Signals depth 2.2
  • Freshness 3.7

People Data Labs Snapshot

  • Company coverage 4.0
  • Signals depth 4.6
  • Freshness 1.1

Detailed Feature Comparison

Side-by-side analysis of Explorium, Findymail, and People Data Labs across data coverage, platform capabilities, and technical specifications.

Feature Comparison
Explorium
Findymail
People Data Labs
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
Full API access on all paid plans
Full REST API with Person Enrichment, Person Search, Person Identify, Company Enrichment, Company Search, and IP Enrichment endpoints; Python, JS, Go SDKs available
SLA
Up to 99.999% uptime; rate limit 200 requests/min per key
-
SOC 2 Type II and ISO 27001 certified; enterprise SLA contracts available; data encrypted at rest and in transit
Compliance
GDPR, SOC 2, CCPA, ISO 27001
GDPR compliant
SOC 2 Type II, ISO 27001, GDPR-compliant data sourcing with consent review, CCPA support
Custom Entities
Real-time Lookups
Global Coverage
150M+ companies and 800M+ contacts across 150+ countries
Global with strongest coverage in US and Europe
1.5B+ person profiles and 71M+ companies globally; Snowflake and Databricks marketplace distribution
CRM Integration
Available on custom enterprise plans
HubSpot, Pipedrive, Salesforce; Zapier, Lemlist, Instantly, Outreach
API-based integration only; no native CRM connectors; bridged via Clay, Clearbit, or Workato
Platform interface
REST JSON API, MCP server (AgentSource MCP), batch support up to 100 entities, webhooks, sync and async modes
Web app, Chrome extension (LinkedIn Sales Navigator export), API
REST API, Python/JavaScript/Go SDKs, Snowflake Data Marketplace, Databricks Marketplace, web dashboard for account management
Natural language search
Workflow automation
Automation integrations
n8n, Claude, custom webhook integrations
Zapier, Lemlist, Instantly, Outreach, and 10+ direct integrations
Zapier (via API), Make (Integromat), Clay, Workato; primarily API-driven integration model
Company coverage
150M+ company profiles
-
71M+ company profiles globally
People coverage
800M+ people profiles (767M+ verified contacts)
Real-time email discovery from LinkedIn profiles and company websites
1.5B+ unique person profiles globally
Geographic coverage
150+ countries
Global, with strong coverage in US and European markets
Global coverage; strongest in English-speaking markets (US, UK, Canada, Australia); international data available
Data sources type
50+ data providers; proprietary ML enrichment; real-time web signals
Real-time LinkedIn profile scraping, company website analysis, SMTP verification
Aggregated from public web sources, professional networks, resumes, social profiles, web crawling, user-contributed signals, third-party partnerships — all evaluated for compliance before ingestion
Global schema consistency
Unified schema across 4,000+ data points globally; consistent API response structure
Consistent output: verified email, phone, job title, company name
Consistent JSON schema across all records; data completeness varies by geography and profile type
Refresh frequency
Daily for high-velocity signals; weekly for semi-dynamic attributes; monthly/quarterly for stable firmographics
Real-time on each lookup
Monthly full dataset refresh; every record returned via API reflects the most current version in the dataset
Business enrichments
Company size, revenue, industry, tech stack, funding stage, headcount trends, competitive landscape, website traffic
Company name, domain
Company name, domain, industry, employee count, revenue, founding year, tech stack, LinkedIn URL, location, funding data
Prospect enrichments
Job title, seniority, verified email, phone, LinkedIn URL, job history, people events
Verified professional email, mobile phone number, job title, LinkedIn profile
Work email, personal email, mobile phone, LinkedIn URL, job title, seniority, skills, education, employment history (full resume)
Enrichment categories
Firmographics, technographics, intent, funding, events, contact, website signals, lookalikes
Email finding, email verification, phone number enrichment, LinkedIn export
Resume/work history, education, contact data (emails, phones), social profiles, demographics, firmographics, technographics, location history
Intent data
Event signals
Company events (20+ types), people events (5+ types), funding rounds, acquisitions, hiring surges
-
Job changes, career progression, education updates, company headcount changes, technology install signals
Technographics
Hiring and growth signals
Matching precision
98% company accuracy; 95% people accuracy
75.1% find rate in independent benchmarks; under 2% actual bounce rate on delivered emails
Fuzzy matching on name, email, phone, LinkedIn URL, and employer; configurable match thresholds via API parameters
Confidence scoring
Validation methodology
Advanced ML-based deduplication; 98%+ company accuracy; 95% people accuracy
Syntax check, DNS validation, SMTP handshake, proprietary catch-all recovery; bounce rate guaranteed under 5%
Multi-source aggregation and triangulation; compliance review of data sources before integration; probabilistic matching for identity resolution
Deduplication logic
Advanced ML-based deduplication across 50+ data providers
Deduplication handled at export — duplicate contacts not charged
PDL assigns a unique PDLID to each person and company record for deduplication and consistent identity across API calls
API availability
QPS performance
Up to 100 QPS; 200 requests/min per API key
-
High-performance REST APIs; rate limits scale with plan tier; Enterprise SLA available
CRM integrations
Custom plan — CRM integrations available
HubSpot, Pipedrive, Salesforce
Via API integration — no native CRM connectors; partners like Clay, Clearbit, and Workato bridge PDL data into CRMs
Data warehouse support
Custom plan — warehouse ingestion available
-
Native delivery via Snowflake, Databricks, AWS S3, and GCP; bulk dataset downloads available
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
SLA uptime
Up to 99.999% uptime SLA
-
SOC 2 Type II and ISO 27001 certified; enterprise uptime SLA available
Pricing model
Usage-based API credits with custom enterprise plans
Credit-based subscription
Usage-based credit subscription; self-serve Free and Pro tiers
Credit system
Credit-based; 100 credits on free trial; self-serve and custom plans scale with volume
1 credit = 1 verified email; 10 credits = 1 phone number; credits roll over up to 2× monthly plan; only charged for verified results
Credits consumed per successful API match; unused credits do not roll over on monthly plans
Tier structure
Free trial, Self-serve, Custom Enterprise
Basic ($49/mo, 1,000 credits), Starter ($99/mo, 5,000 credits), Business ($249/mo, 15,000 credits), Enterprise (custom)
Free (100 lookups/mo), Pro ($98/mo — 350 person + 1,000 company credits), Enterprise (custom, ~$2,500/mo+)
Free trial details
30-day free trial with 100 credits; covers API and MCP access
One-time free trial: 10 email credits + 10 verification credits; no credit card required
Permanent free tier: 100 person/company lookups/month + 25 IP lookups + 5 person identify searches; no credit card required
Budget commitment options
Custom enterprise plans with volume negotiation
Monthly or annual billing; annual discount of ~17%; credit rollover up to 2× monthly plan
Annual commitment with 20% discount; volume pricing for bulk records at $0.004/record+; custom enterprise agreements
Custom plans available
Bulk deals support
Resell rights
-
-

Pricing

Compare pricing models, flexibility, and commitment structure.

Pricing Dimension
Explorium
Findymail
People Data Labs
Pricing Model
Usage-based with custom enterprise plans
Credit-based subscription — credits only consumed for verified, deliverable emails
Usage-based credit subscription; transparent self-serve with free tier
Commitment Structure
One-time or custom; no mandatory annual lock-in on self-serve
Monthly or annual; annual saves ~17% (2 months free)
No commitment on Free or monthly Pro; annual commitment available with 20% discount
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
One-time free trial: 10 email finder credits + 10 verifications; no credit card required
Free plan includes 100 lookups/month with no time limit; effectively a permanent free tier
Enterprise Customization
Yes — custom plans include CRM integrations, warehouse ingestion, resell rights, and dedicated support
Custom pricing and volume for teams exceeding 15,000 credits/month
Custom Enterprise plans with dedicated account management, SLA guarantees, custom data feeds, and enterprise security
Onboarding Model
Self-serve for API and MCP; dedicated onboarding for enterprise custom plans
Self-serve; Chrome extension, API, and CSV upload workflows
Fully self-serve for Free and Pro; developer-led with documentation; white-glove onboarding for Enterprise

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

Founder, Cold Email Agency

"Findymail is the best email finder out there. I send 7 million cold emails per month and have tested over a dozen email finders. Findymail consistently delivers the highest accuracy — I have never had high bounce rates since switching to it. The accuracy and coverage of the data available addresses my need for precise and comprehensive information when finding and verifying emails."
Verified User for Findymail
V

Verified G2 Reviewer

Founder, B2B SaaS Startup

"PDL's data quality is incredible — extensive and accurate. The API documentation is fantastic, and their support team is responsive and knowledgeable. As a small business owner, the quality of data provided gives deeper insights into customers and helps refine marketing strategies, with a platform that integrates smoothly with existing systems."
Verified User for People Data Labs

Frequently Asked Questions

Is Findymail better than People Data Labs?

It depends on your use case. Findymail The highest-accuracy email finder on the market — under 2% bounce rate, pay only for verified results, built for cold email teams that can't afford to burn domains People Data Labs The API-first B2B data infrastructure layer — purpose-built for engineers who need 1.5B+ person profiles and 71M+ company profiles accessible via flexible, high-performance APIs with transparent usage-based pricing

What is the difference between Findymail and People Data Labs?

See the feature-by-feature comparison above. In short: Findymail focuses on The highest-accuracy email finder on the market — under 2% bounce rate, pay only for verified results, built for cold email teams that can't afford to burn domains while People Data Labs focuses on The API-first B2B data infrastructure layer — purpose-built for engineers who need 1.5B+ person profiles and 71M+ company profiles accessible via flexible, high-performance APIs with transparent usage-based pricing.

How much does Findymail cost compared to People Data Labs?

Findymail pricing model: Credit-based subscription, pay only for verified results. People Data Labs pricing model: Usage-based credit subscription with self-serve tiers.

Is Findymail or People Data Labs 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 Findymail?

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 Findymail The highest-accuracy email finder on the market — under 2% bounce rate, pay only for verified results, built for cold email teams that can't afford to burn domains

What is the difference between Explorium and Findymail?

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 Findymail focuses on The highest-accuracy email finder on the market — under 2% bounce rate, pay only for verified results, built for cold email teams that can't afford to burn domains.

How much does Explorium cost compared to Findymail?

Explorium pricing model: Usage-based with custom plans. Findymail pricing model: Credit-based subscription, pay only for verified results.

Is Explorium or Findymail 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 People Data Labs?

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 People Data Labs The API-first B2B data infrastructure layer — purpose-built for engineers who need 1.5B+ person profiles and 71M+ company profiles accessible via flexible, high-performance APIs with transparent usage-based pricing

What is the difference between Explorium and People Data Labs?

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 People Data Labs focuses on The API-first B2B data infrastructure layer — purpose-built for engineers who need 1.5B+ person profiles and 71M+ company profiles accessible via flexible, high-performance APIs with transparent usage-based pricing.

How much does Explorium cost compared to People Data Labs?

Explorium pricing model: Usage-based with custom plans. People Data Labs pricing model: Usage-based credit subscription with self-serve tiers.

Is Explorium or People Data Labs 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.

How does Findymail handle catch-all email domains?

Catch-all domains are configured to accept all inbound email regardless of whether the specific address exists, which makes standard SMTP verification unreliable. Findymail uses a proprietary catch-all recovery algorithm that goes beyond basic SMTP checks — testing email pattern consistency, cross-referencing public sources, and applying confidence signals — to classify catch-all addresses as deliverable or risky. Addresses classified as risky catch-alls are not returned as verified, protecting your sender reputation.

Does Findymail require a LinkedIn Sales Navigator subscription to work?

Findymail works without Sales Navigator for individual email lookups via the web app, CSV upload, or API. However, the bulk LinkedIn export feature — which lets you export entire search result pages directly from LinkedIn — requires a Sales Navigator subscription to function at meaningful scale. Free LinkedIn accounts have strict rate limits that make bulk export impractical. Teams serious about volume prospecting from LinkedIn typically use Findymail alongside Sales Navigator.

Why does Findymail only charge for verified emails rather than all lookups?

Findymail's pricing model is designed to align cost with value: you only pay when a deliverable email address is actually returned. If Findymail cannot find or verify an email for a contact, no credit is deducted. This model means there is no penalty for searching against contacts who have no discoverable email, and it incentivizes Findymail to maximize verification accuracy rather than simply maximizing output volume.

How does Findymail perform in waterfall enrichment setups compared to using it as a primary tool?

In single-provider mode, independent benchmarks place Findymail's email find rate at approximately 75%, which is lower than database-heavy tools like Apollo or Hunter but with substantially better deliverability on the emails it does find. In waterfall setups — where Findymail runs after one or two other providers to catch emails they missed or mis-classified — combined find rates reach 85–92%, while the overall bounce rate of the waterfall stays low because Findymail's verification is the final quality gate.

What happens to unused credits at the end of the month?

Unused credits roll over to the following month on all paid plans. However, your total credit balance is capped at 2× your monthly plan size. For example, on the Starter plan (5,000 credits/month), your maximum accumulated balance is 10,000 credits. If you consistently use fewer credits than your plan provides, you will eventually hit the cap and excess rollover will be forfeited, which is worth factoring into plan selection for teams with irregular outreach volume.

Does Findymail have a Claude Code Skill or Claude Plugin?

Not officially — Findymail 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 is People Data Labs different from ZoomInfo or Apollo?

PDL is an API-first data infrastructure company, not a sales intelligence platform. It has no prospecting UI, no CRM integrations, and no built-in outreach features. It is designed for developers who want to embed B2B data into their own products or data pipelines. ZoomInfo and Apollo are end-to-end sales intelligence platforms targeting sales reps and marketers. PDL powers some of those platforms as a backend data source.

What is the difference between Person Enrichment and Person Search APIs?

Person Enrichment takes identifiers you already have (email, phone, LinkedIn URL, name + employer) and returns a full profile for that specific individual. Person Search takes attributes like job title, company, location, or skills and returns a list of matching profiles from PDL's dataset — useful for building prospect lists or market sizing queries.

How does PDL handle GDPR and data compliance?

People Data Labs is SOC 2 Type II and ISO 27001 certified. Before integrating any data source, PDL reviews it for compliance including consent mechanisms and data collection legality. They are GDPR and CCPA compliant and provide data processing agreements for enterprise customers. All data is encrypted at rest and in transit.

How accurate is PDL's data and how often is it updated?

PDL performs a full dataset refresh monthly. Every API response returns the most current version of a record. Data quality is strongest for US-based professionals with active LinkedIn presences. Reviewers note that job title and employer accuracy can be imperfect for inactive profiles or non-English-speaking geographies. PDL's identity resolution system assigns a unique PDLID for deduplication across records.

Can I use PDL data to build a commercial product?

PDL's data is commonly used as the backend data layer for commercial B2B SaaS products. Enterprise plans include terms for product-embedded use cases. Resell rights are not included by default — customers must review their contract terms for specific permitted use cases, particularly for building competing data products.

Does PDL integrate with Snowflake or Databricks?

Yes. People Data Labs offers native dataset delivery through the Snowflake Data Marketplace and Databricks Marketplace, allowing data teams to access PDL's person and company datasets directly in their existing analytics infrastructure without custom ETL pipelines. Bulk dataset delivery is also available via AWS S3 and GCP.

Does People Data Labs have a Claude Code Skill or Claude Plugin?

Not officially — People Data Labs 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.