Coresignal vs FullEnrich: Data Enrichment Tool Comparison

Coresignal vs FullEnrich: Data Enrichment Tool Comparison

Coresignal and FullEnrich compete head-to-head in the B2B lead data and contact enrichment space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.

The Quick Answer

By each vendor's own wording, Coresignal lists multi-source endpoints and agentic search api, while FullEnrich lists waterfall enrichment across 25+ sources and mobile phone enrichment. A capability both offer can appear under different names, so read both feature lists below.

Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.

If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

Understanding the Core Difference

Coresignal is B2B web data provider serving company, employee and job posting records through search and enrichment APIs, a natural language agentic search API, and bulk datasets.

FullEnrich is B2B contact enrichment platform returning verified work emails, personal emails and mobile phone numbers through waterfall enrichment across 25+ data sources. Available in the app, a REST API and an MCP server.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

Coresignal Pricing (as of September 2026)

Source: Coresignal Pricing

FullEnrich Pricing (as of September 2026)

Source: FullEnrich Pricing

Pricing Analysis

Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.

Coresignal offers 9 pricing tiers compared to FullEnrich's 3, giving you more granularity as you scale.

Both platforms offer free tiers, so you can test each one before spending anything.

Features Breakdown

Coresignal lists

• Multi-source endpoints
• Agentic Search API
• Elasticsearch DSL
• Webhooks
• Search preview
• Contact Enrichment API
• and 2 more listed below

FullEnrich lists

• Waterfall enrichment across 25+ sources
• Mobile Phone Enrichment
• Work Email Enrichment
• Personal Email Enrichment
• Reverse Email Lookup
• Bulk CSV Enrichment
• and 2 more listed below

Coresignal Key Features

• Multi-source endpoints
• Agentic Search API
• Elasticsearch DSL
• Webhooks
• Search preview
• Contact Enrichment API
• 3-month credit rollover
• Dedicated account manager support

FullEnrich Key Features

• Waterfall enrichment across 25+ sources
• Mobile Phone Enrichment
• Work Email Enrichment
• Personal Email Enrichment
• Reverse Email Lookup
• Bulk CSV Enrichment
• MCP Server
• Unlimited users included

The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

Listed only by Coresignal

• Multi-source endpoints
• Agentic Search API
• Elasticsearch DSL
• Webhooks
• Search preview
• Contact Enrichment API
• 3-month credit rollover
• Dedicated account manager support

Listed only by FullEnrich

• Waterfall enrichment across 25+ sources
• Mobile Phone Enrichment
• Work Email Enrichment
• Personal Email Enrichment
• Reverse Email Lookup
• Bulk CSV Enrichment
• MCP Server
• Unlimited users included

Integration Ecosystem

Coresignal Integrations

Coresignal connects with: n8n, Zapier, Clay, Databricks, Google Cloud, Amazon S3, Snowflake, Azure.

FullEnrich Integrations

FullEnrich connects with: HubSpot, Clay, Zapier, Make, n8n, Claude, OpenAI, Manus.

Shared Integrations

Both tools integrate with: n8n, Zapier, Clay.

Integrations listed only by Coresignal: Databricks, Google Cloud, Amazon S3, Snowflake, Azure.

Integrations listed only by FullEnrich: HubSpot, Make, Claude, OpenAI, Manus.

Use Case Recommendations

Best Fit for Coresignal

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that want to start free and scale up as needs grow
• Enterprise buyers who prefer custom pricing and dedicated support

Best Fit for FullEnrich

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that want to start free and scale up as needs grow
• Enterprise buyers who prefer custom pricing and dedicated support

Feature Comparison Summary

Getting Started Checklist

1. Define your B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Coresignal and FullEnrich both serve the B2B lead data and contact enrichment market. Coresignal offers a more accessible entry point, while FullEnrich starts at $0/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.

Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

Pricing and features verified as of September 2026. Visit Coresignal and FullEnrich for current information.