Crustdata vs Proofy: Data Enrichment Tool Comparison

Crustdata vs Proofy: Data Enrichment Tool Comparison

If you are comparing B2B lead data and contact enrichment tools, Crustdata and Proofy will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.

The Quick Answer

By each vendor's own wording, Crustdata lists real-time hiring, funding, and company event signals and credit-based usage tiers, while Proofy lists bulk email verification and single verification in real time. A capability both offer can appear under different names, so read both feature lists below.

Proofy publishes an entry price of $5/mo; Crustdata uses usage-based pricing, so the two cannot be compared on list price.

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

Crustdata is B2B data API for company, person, job and social post search, enrichment and identity resolution, also delivered as a monthly refreshed flat file dataset.

Proofy is Proofy is an email verification service for bulk list cleaning and real-time single verification through an API, with SMTP, syntax, domain, disposable and accept-all detection. Credits are sold pay-as-you-go or by subscription, never expire, and unknown results are not charged.

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

Pricing Comparison

Crustdata Pricing (as of September 2026)

Source: Crustdata Pricing

Proofy Pricing (as of September 2026)

Source: Proofy Pricing

Pricing Analysis

One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.

Proofy offers 4 pricing tiers compared to Crustdata's 3, giving you more granularity as you scale.

Features Breakdown

Crustdata lists

• Real-time hiring, funding, and company event signals
• Credit-based usage tiers
• Unified from 11+ trusted sources
• Delivered as CSV or JSON on-demand
• Company Enrichment API
• People Search API
• and 2 more listed below

Proofy lists

• Bulk email verification
• Single verification in real time
• Email verifier API
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• and 4 more listed below

Crustdata Key Features

• Real-time hiring, funding, and company event signals
• Credit-based usage tiers
• Unified from 11+ trusted sources
• Delivered as CSV or JSON on-demand
• Company Enrichment API
• People Search API
• Jobs API
• Watcher API

Proofy Key Features

• Bulk email verification
• Single verification in real time
• Email verifier API
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• Accept-all detection
• Syntax validation
• SMTP verification
• Mailbox full detection

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 Crustdata

• Real-time hiring, funding, and company event signals
• Credit-based usage tiers
• Unified from 11+ trusted sources
• Delivered as CSV or JSON on-demand
• Company Enrichment API
• People Search API
• Jobs API
• Watcher API

Listed only by Proofy

• Bulk email verification
• Single verification in real time
• Email verifier API
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• Accept-all detection
• Syntax validation
• SMTP verification
• Mailbox full detection

Integration Ecosystem

Crustdata Integrations

Crustdata connects with: Claude, Claude Code, Cursor, VS Code, Slack.

Proofy Integrations

Proofy connects with: .

Integrations listed only by Crustdata: Claude, Claude Code, Cursor, VS Code, Slack.

Use Case Recommendations

Best Fit for Crustdata

• Organizations with complex tech stacks needing broad integration support (5 integrations)
• Enterprise buyers who prefer custom pricing and dedicated support
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation

Best Fit for Proofy

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that need a wide feature set (10 capabilities listed)
• 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

Crustdata and Proofy both serve the B2B lead data and contact enrichment market. Proofy publishes an entry price of $5/mo, while Crustdata uses usage-based pricing for its plans, so compare on features and on the quote you receive. 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 Crustdata and Proofy for current information.