Tool Comparisons

    Clay vs mailfloss: Data Enrichment Tool Comparison

    Compare Clay and mailfloss side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.

    September 4, 20265 min read
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    The short answer

    Compare Clay and mailfloss side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.

    Reviewed and updated September 4, 2026

    Clay vs mailfloss: Data Enrichment Tool Comparison

    If you are comparing B2B lead data and contact enrichment tools, Clay and mailfloss 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, Clay lists 150+ data provider integrations and ai-powered enrichment (claygent), while mailfloss lists cleans your list daily and removes addresses that decay over time. A capability both offer can appear under different names, so read both feature lists below.

    mailfloss offers a lower entry point at $29/mo compared to Clay at $185/mo.

    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

    Clay is Data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment (Claygent).

    mailfloss is mailfloss is an email verification service that connects to your email marketing platform and cleans the list daily on autopilot, removing bad addresses, fixing typos and blocking bot and spam signups in real time. Subscriptions are sized by credits per month; prepaid credits cover one-time list uploads.

    Both platforms offer webhooks. Where they diverge is in their approach to pricing tiers and advanced capabilities.

    Pricing Comparison

    $185/moClay entry plan

    Launch

    $29/momailfloss entry plan

    Lite

    Entry pricing for Clay and mailfloss, as published on each vendor's own pricing page.

    Clay Pricing (as of September 2026)

    PlanPriceContacts
    Launch$185/moFrom 15,000 actions/month
    Growth$495/moFrom 40,000 actions/month
    EnterpriseContact SalesCustom

    Source: Clay Pricing

    mailfloss Pricing (as of September 2026)

    PlanPriceEmails
    Lite$29/mo10,000 credits/month
    Business$59/mo25,000 credits/month
    Pro$209/mo125,000 credits/month
    Prepaid creditsUsage-based-

    Source: mailfloss Pricing

    Pricing Analysis

    mailfloss offers the lower entry point ($29/mo vs $185/mo). Teams watching their budget will appreciate the savings, especially when starting out.

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

    Features Breakdown

    Clay lists
    • 150+ data provider integrations
    • AI-powered enrichment (Claygent)
    • Unlimited users on all plans
    • Credit rollover
    • Workflow automation
    • Data waterfall enrichment
    • and 2 more listed below
    Both tools
    • Webhooks
    mailfloss lists
    • Cleans your list daily
    • Removes addresses that decay over time
    • Custom keep and remove rules
    • Zapier integration
    • Real-time API
    • Automatically fixes typos
    • and 3 more listed below
    What Clay and mailfloss each list on their own pages. The split is by exact wording, so a capability both offer can appear on both sides under different names.

    Clay Key Features

    • 150+ data provider integrations
    • AI-powered enrichment (Claygent)
    • Unlimited users on all plans
    • Credit rollover
    • Workflow automation
    • Data waterfall enrichment
    • Custom API key support
    • HTTP API integration
    • Webhooks

    mailfloss Key Features

    • Cleans your list daily
    • Removes addresses that decay over time
    • Custom keep and remove rules
    • Zapier integration
    • Real-time API
    • Webhooks
    • Automatically fixes typos
    • Prevents bounces in real-time
    • Auto-tags subscribers after verification
    • Single sign-on

    Shared Capabilities

    Both Clay and mailfloss include:

    • Webhooks

    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 Clay

    • 150+ data provider integrations
    • AI-powered enrichment (Claygent)
    • Unlimited users on all plans
    • Credit rollover
    • Workflow automation
    • Data waterfall enrichment
    • Custom API key support
    • HTTP API integration

    Listed only by mailfloss

    • Cleans your list daily
    • Removes addresses that decay over time
    • Custom keep and remove rules
    • Zapier integration
    • Real-time API
    • Automatically fixes typos
    • Prevents bounces in real-time
    • Auto-tags subscribers after verification
    • Single sign-on

    Integration Ecosystem

    Clay Integrations

    Clay connects with: Salesforce, HubSpot, Pipedrive, Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, Instantly, Smartlead, OpenAI, Google Sheets, Airtable, Notion.

    mailfloss Integrations

    mailfloss connects with: Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.

    Shared Integrations

    Both tools integrate with: HubSpot.

    Integrations listed only by Clay: Salesforce, Pipedrive, Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, Instantly, Smartlead, OpenAI, Google Sheets, Airtable, Notion.

    Integrations listed only by mailfloss: Mailchimp, Klaviyo, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.

    Use Case Recommendations

    Best Fit for Clay

    • Mid-market to enterprise teams with established B2B lead data and contact enrichment budgets
    • 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 mailfloss

    • Budget-conscious teams looking for an affordable data enrichment tool
    • Teams that need a wide feature set (10 capabilities listed)
    • Organizations with complex tech stacks needing broad integration support (29 integrations)
    • Enterprise buyers who prefer custom pricing and dedicated support

    Feature Comparison Summary

    FeatureClaymailfloss
    Starting Price$185/mo$29/mo
    Top Tier PriceContact SalesUsage-based
    Total Features Listed910
    Integrations1429

    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

    Clay and mailfloss both serve the B2B lead data and contact enrichment market. mailfloss offers a more accessible entry point at $29/mo, while Clay starts at $185/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 Clay and mailfloss for current information.

    ClaymailflossData Enrichment ToolComparisondata-enrichment
    Byline

    About the author.

    Tim Carden

    Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.

    Tim Carden · CMO / CTO

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