Explorium vs Enrich Layer vs Snov.io

Objective, side-by-side analysis of Explorium, Enrich Layer, and Snov.io 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

Enrich Layer

4.8

The developer-first B2B enrichment API that replaced ProxyCurl — offering 1.2B+ profiles with real-time crawling, bulk operations, and a drop-in compatibility layer

  • API
  • Free Trial

Snov.io

4.5

The all-in-one outbound platform that unifies email finding, verification, LinkedIn prospecting, and automated drip campaigns at an accessible price point

  • 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

Enrich Layer

  • People & Company Enrichment

    Enrich CRM records, inbound leads, or prospect lists with structured professional data — job titles, work history, education, company size, revenue, and more — using email or LinkedIn URL as input.

  • Job Posting Intelligence

    Access real-time job posting data to identify hiring signals, understand company growth trajectories, and target accounts actively expanding in relevant functions.

  • Large-Scale Data Pipeline Enrichment

    Power ETL pipelines, AI training datasets, and analytics workflows with bulk API calls that scale to hundreds of millions of requests per month, supported by 99.9%+ uptime and webhook delivery.

Signals powering these use cases

  • Successor to ProxyCurl following LinkedIn lawsuit and shutdown in 2026
  • Provides ProxyCurl API compatibility layer — existing code works unchanged
  • Crawls approximately 1 million pages per day for real-time data freshness
  • Average API response time of ~2 seconds
  • Supports bulk operations, webhooks, and automation platform integrations

Snov.io

  • Email Finding & Verification

    Discover and verify email addresses by domain, company name, or individual prospect name using a 7-tier verification pipeline that includes MX record checks, SMTP pings, and greylisting bypass. Only emails that pass all checks are marked as valid, achieving a reported 1.72% bounce rate on verified results.

  • Automated Drip Campaigns

    Build multi-step email sequences with conditional branching, automated follow-ups, and personalization variables. The platform supports combining LinkedIn actions with email touchpoints in unified sequences, enabling true multi-channel outbound from a single dashboard.

  • LinkedIn Lead Generation

    Use the Chrome extension to capture and verify contact details directly from LinkedIn profiles and company pages. The LinkedIn Prospect Finder automates lead extraction from LinkedIn, and LinkedIn automation (as an add-on) enables automated connection requests and messages alongside email sequences.

Signals powering these use cases

No signals available

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

Enrich Layer Snapshot

  • Company coverage 3.9
  • Signals depth 1.5
  • Freshness 2.1

Snov.io Snapshot

  • Freshness 3.3

Detailed Feature Comparison

Side-by-side analysis of Explorium, Enrich Layer, and Snov.io across data coverage, platform capabilities, and technical specifications.

Feature Comparison
Explorium
Enrich Layer
Snov.io
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 REST API with 21+ endpoints covering people, companies, jobs, schools, and search
Full API for email finding, verification, and prospect management
SLA
Up to 99.999% uptime; rate limit 200 requests/min per key
99.9%+ uptime
-
Compliance
GDPR, SOC 2, CCPA, ISO 27001
-
GDPR compliant; regular third-party security audits
Custom Entities
-
Real-time Lookups
Global Coverage
150M+ companies and 800M+ contacts across 150+ countries
Global — LinkedIn-sourced data spanning all major markets
Global with multi-language source coverage
CRM Integration
Available on custom enterprise plans
-
HubSpot, Pipedrive, Salesforce, Zoho native integrations
Platform interface
REST JSON API, MCP server (AgentSource MCP), batch support up to 100 entities, webhooks, sync and async modes
API-first; no native prospecting UI — developer console and documentation portal
Web app, Chrome extension, email campaign dashboard
Natural language search
Workflow automation
Automation integrations
n8n, Claude, custom webhook integrations
Webhooks, bulk operations; compatible with Make, Zapier, and similar automation platforms via REST API
Zapier, webhooks, API
Company coverage
150M+ company profiles
50M+ company records
-
People coverage
800M+ people profiles (767M+ verified contacts)
1.2B+ professional profiles
-
Geographic coverage
150+ countries
Global
Global — broad coverage with multi-language support
Data sources type
50+ data providers; proprietary ML enrichment; real-time web signals
LinkedIn-sourced professional data, publicly available web data, job board aggregation
Proprietary database + real-time SMTP verification + LinkedIn data + public web sources
Global schema consistency
Unified schema across 4,000+ data points globally; consistent API response structure
Unified JSON schema across all endpoints
Consistent schema across regions
Refresh frequency
Daily for high-velocity signals; weekly for semi-dynamic attributes; monthly/quarterly for stable firmographics
Real-time on-demand crawling; ~1M pages crawled per day
Real-time SMTP verification at lookup time
Business enrichments
Company size, revenue, industry, tech stack, funding stage, headcount trends, competitive landscape, website traffic
Industry, company size, revenue, funding, founding date, hiring activity, technologies, locations
Company domain, industry, location, employee count
Prospect enrichments
Job title, seniority, verified email, phone, LinkedIn URL, job history, people events
Job title, work history, education, skills, LinkedIn URL, email (where available)
Verified email, LinkedIn URL, full name, job title, email status
Enrichment categories
Firmographics, technographics, intent, funding, events, contact, website signals, lookalikes
People profiles, company firmographics, job postings, school/education data, work history
Verified email, email status (valid/catch-all/invalid), LinkedIn profile, company domain, job title, name, location
Intent data
Event signals
Company events (20+ types), people events (5+ types), funding rounds, acquisitions, hiring surges
Job posting activity as hiring/growth signal
-
Technographics
Hiring and growth signals
Matching precision
98% company accuracy; 95% people accuracy
Email, LinkedIn URL, domain, or company name as lookup keys
1.72% bounce rate on emails marked as 'valid' in independent testing
Confidence scoring
Validation methodology
Advanced ML-based deduplication; 98%+ company accuracy; 95% people accuracy
Live crawl on demand; data fetched fresh at time of request
7-tier verification: syntax check, domain check, MX record check, SMTP ping, greylisting bypass, role-based detection, catch-all detection
Deduplication logic
Advanced ML-based deduplication across 50+ data providers
-
Duplicate detection in prospect lists and campaigns
API availability
QPS performance
Up to 100 QPS; 200 requests/min per API key
Average ~2 second response time per call
-
CRM integrations
Custom plan — CRM integrations available
-
HubSpot (native), Pipedrive (native), Salesforce (native), Zoho CRM
Data warehouse support
Custom plan — warehouse ingestion 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
-
-
SLA uptime
Up to 99.999% uptime SLA
99.9%+ uptime
-
Pricing model
Usage-based API credits with custom enterprise plans
Credit-based subscription with PAYG top-up option
Credit-based subscription tiers
Credit system
Credit-based; 100 credits on free trial; self-serve and custom plans scale with volume
Credits consumed per API call; credit cost varies by endpoint type (e.g. email lookup vs. profile enrichment)
1 credit per email found or verified; LinkedIn lookups cost additional credits
Tier structure
Free trial, Self-serve, Custom Enterprise
Growth (~$49/mo), Scale (mid-tier), Pro (high-volume), Enterprise/Custom
Trial → Starter → Pro (S/M/L/XL) → Custom
Free trial details
30-day free trial with 100 credits; covers API and MCP access
500 free credits upon signup for live API testing
Free Trial plan — 50 credits, 100 recipients, 1 email warm-up slot; renewable
Budget commitment options
Custom enterprise plans with volume negotiation
Monthly, annual, or PAYG credits
Monthly or annual (25% annual discount)
Custom plans available
Bulk deals support
Resell rights
-
-
-

Pricing

Compare pricing models, flexibility, and commitment structure.

Pricing Dimension
Explorium
Enrich Layer
Snov.io
Pricing Model
Usage-based with custom enterprise plans
Credit-based subscription with PAYG option
Credit-based with recipient/campaign limits per tier
Commitment Structure
One-time or custom; no mandatory annual lock-in on self-serve
Monthly subscription or annual plan (discounted); PAYG credits available with no commitment
Month-to-month or annual (25% savings)
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
500 free credits for real API calls — no time limit stated
Free Trial plan with 50 credits and 100 email recipients — renewable
Enterprise Customization
Yes — custom plans include CRM integrations, warehouse ingestion, resell rights, and dedicated support
Enterprise and custom plans available for high-volume needs
Custom plans available for large-volume needs
Onboarding Model
Self-serve for API and MCP; dedicated onboarding for enterprise custom plans
Self-serve API key signup; extensive documentation and Python/Node SDKs
Self-serve with extensive knowledge base; live support available

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

Data Engineer

"The API is extremely well-documented and easy to integrate. We migrated from ProxyCurl in under a day using the compatibility layer, and the data quality on company enrichment has been solid. The PAYG credits are a nice option for variable workloads."
Verified User for Enrich Layer
V

Verified G2 Reviewer

Sales Development Representative, B2B Software

"What I like most about Snov.io is how simple and effective it is for finding and verifying email leads. The email finder, verifier, and drip campaign features are all in one place, which makes outreach much easier. It has streamlined our entire outbound workflow — from finding leads to automating follow-ups — in a way that's both intuitive and effective."
Verified User for Snov.io

Frequently Asked Questions

Is Enrich Layer better than Snov.io?

It depends on your use case. Enrich Layer The developer-first B2B enrichment API that replaced ProxyCurl — offering 1.2B+ profiles with real-time crawling, bulk operations, and a drop-in compatibility layer Snov.io The all-in-one outbound platform that unifies email finding, verification, LinkedIn prospecting, and automated drip campaigns at an accessible price point

What is the difference between Enrich Layer and Snov.io?

See the feature-by-feature comparison above. In short: Enrich Layer focuses on The developer-first B2B enrichment API that replaced ProxyCurl — offering 1.2B+ profiles with real-time crawling, bulk operations, and a drop-in compatibility layer while Snov.io focuses on The all-in-one outbound platform that unifies email finding, verification, LinkedIn prospecting, and automated drip campaigns at an accessible price point.

How much does Enrich Layer cost compared to Snov.io?

Enrich Layer pricing model: Subscription tiers by credit volume with optional Pay-as-You-Go credits. Snov.io pricing model: Credit-based subscription with tiered plans.

Is Enrich Layer or Snov.io 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 Enrich Layer?

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 Enrich Layer The developer-first B2B enrichment API that replaced ProxyCurl — offering 1.2B+ profiles with real-time crawling, bulk operations, and a drop-in compatibility layer

What is the difference between Explorium and Enrich Layer?

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 Enrich Layer focuses on The developer-first B2B enrichment API that replaced ProxyCurl — offering 1.2B+ profiles with real-time crawling, bulk operations, and a drop-in compatibility layer.

How much does Explorium cost compared to Enrich Layer?

Explorium pricing model: Usage-based with custom plans. Enrich Layer pricing model: Subscription tiers by credit volume with optional Pay-as-You-Go credits.

Is Explorium or Enrich Layer 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 Snov.io?

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 Snov.io The all-in-one outbound platform that unifies email finding, verification, LinkedIn prospecting, and automated drip campaigns at an accessible price point

What is the difference between Explorium and Snov.io?

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 Snov.io focuses on The all-in-one outbound platform that unifies email finding, verification, LinkedIn prospecting, and automated drip campaigns at an accessible price point.

How much does Explorium cost compared to Snov.io?

Explorium pricing model: Usage-based with custom plans. Snov.io pricing model: Credit-based subscription with tiered plans.

Is Explorium or Snov.io 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.

Is Enrich Layer a replacement for ProxyCurl?

Yes. Enrich Layer is the designated successor to ProxyCurl, which was shut down in July 2026 following a federal lawsuit by LinkedIn. Existing ProxyCurl users can migrate using the enrichlayer-api compatibility layer, which allows their existing code to run unchanged against the Enrich Layer backend.

How fresh is the data returned by Enrich Layer?

Enrich Layer performs on-demand crawling rather than serving pre-cached data, meaning each API call triggers a real-time fetch from live sources. The platform crawls approximately 1 million pages per day, and average response times are around 2 seconds per call.

What lookup keys does Enrich Layer support?

You can query the API using an email address, LinkedIn profile URL, company domain, company name, or school name — depending on the endpoint. The platform returns structured data regardless of which identifier is used.

Are there free credits available to test the API?

Yes. New users receive 500 free credits upon signup with no stated time limit, allowing teams to make real API calls and evaluate data quality before committing to a paid plan.

Does Enrich Layer support bulk operations?

Yes. The platform supports bulk API requests, webhooks for async job delivery, and scales to hundreds of millions of requests per month with 99.9%+ uptime.

Does Enrich Layer have a Claude Code Skill or Claude Plugin?

Not officially — Enrich Layer 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 Snov.io's 7-tier email verification work compared to simpler verification tools?

Snov.io's verification pipeline goes beyond basic syntax and MX record checks. The 7 tiers include syntax validation, domain existence check, MX record verification, SMTP server ping, greylisting bypass (which prevents false negatives from servers that temporarily reject unknown senders), role-based email detection (like info@ or support@), and catch-all domain identification. This multi-step approach achieves a claimed 1.72% bounce rate on emails marked as 'valid', which is significantly lower than simpler verification tools that skip SMTP-level checks.

Is LinkedIn automation included in the base Snov.io pricing?

No. LinkedIn automation is a separate paid add-on at $69/month per LinkedIn slot (one LinkedIn account). It is not included in any of the base Starter or Pro plans. This add-on enables automated LinkedIn connection requests, messages, and InMails as part of multi-channel sequences. Teams evaluating Snov.io for multi-channel outreach should factor this additional cost into their total budget.

How does Snov.io handle email warm-up and why does it matter?

Snov.io includes a built-in email warm-up feature that automatically sends low-volume emails from your account to a network of real inboxes to establish domain reputation before high-volume cold outreach. Without warm-up, new or cold domains frequently land in spam folders. Each plan tier includes a number of warm-up slots — the free Trial includes 1 slot, Starter includes 3, and higher tiers include more. Warm-up typically runs for 2-4 weeks before a full campaign launch.

What are the email recipient limits on Snov.io plans and how do they work?

Snov.io plans have two separate limits: credits (used for finding and verifying emails) and recipients (the number of contacts you can add to email campaigns). The Starter plan allows 5,000 recipients per month; the Pro S plan allows 25,000 recipients. If your outreach volume requires sending to more contacts than your plan's recipient limit, you either need to upgrade or spread campaigns across multiple months. This is a common limitation that users hit as their outreach programs scale.

How does Snov.io compare to Apollo.io for all-in-one outbound?

Both Snov.io and Apollo.io offer email finding, verification, and outreach automation. Apollo has a significantly larger contact database (270M+ vs. Snov.io's undisclosed size) and more advanced filtering and intent data features. Snov.io is generally considered more affordable at entry-level pricing and has a simpler interface for teams that just need the core workflow. Apollo is better for teams that need database discovery (finding net-new prospects) while Snov.io is stronger for teams that already know their target list and need to find/verify emails plus run campaigns.

Does Snov.io have a Claude Code Skill or Claude Plugin?

Not officially — Snov.io 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.