Tool Comparisons

    Clay vs TheirStack: Data Enrichment Tool Comparison

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

    Editorial illustration for Clay vs TheirStack
    August 25, 2026Updated September 4, 20265 min read
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    The short answer

    Clay and TheirStack are both B2B data enrichment tools, but they differ in scope and price. Clay starts at $185/mo and offers 150+ data provider integrations plus AI-powered enrichment via Claygent, suited to mid-market and enterprise teams. TheirStack starts free and focuses on job search, company search, and technographics, suited to budget-conscious teams.

    Key takeaways

    • Clay's Launch plan costs $185/mo and includes actions starting from 15,000 per month.
    • TheirStack offers a free tier with 50 company credits and 200 API credits per month.
    • Clay lists 150+ data provider integrations and 14 named integrations including Salesforce, HubSpot, and ZoomInfo.
    • TheirStack lists 5 named integrations including Clay, LinkedIn Audiences, Make, N8N, and Zapier.
    • TheirStack was founded in 2021, while Clay's founding date is not listed in the comparison.

    Reviewed and updated September 4, 2026

    Clay vs TheirStack: Data Enrichment Tool Comparison

    If you are comparing B2B lead data and contact enrichment tools, Clay and TheirStack 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 TheirStack lists job search and company search. A capability both offer can appear under different names, so read both feature lists below.

    TheirStack offers a lower entry point at $0/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).

    TheirStack is Job posting and technographics database for sales teams. Finds companies by the technologies they use and the roles they are hiring for, and enriches a company list with technographics and buying intent.

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

    Pricing Comparison

    Pricing panels: Pricing Comparison (Clay, TheirStack, Launch, Free)

    $185/moClay entry plan

    Launch

    FreeTheirStack entry plan

    Free

    Entry pricing for Clay and TheirStack, 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

    TheirStack Pricing (as of September 2026)

    PlanPriceContacts
    FreeFree50 company credits and 200 API credits per month
    AppUsage-basedCompany credit packs from 1,000 to 200,000 credits
    API, Webhooks & MCP$49/mo1,500 API credits per month
    DatasetsContact SalesJobs, Technographics and Buying intents datasets

    Source: TheirStack Pricing

    Pricing Analysis

    TheirStack offers the lower entry point ($0/mo vs $185/mo). Teams watching their budget will appreciate the savings, especially when starting out.

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

    TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.

    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
    TheirStack lists
    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • and 1 more listed below
    What Clay and TheirStack 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

    TheirStack Key Features

    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • Webhooks
    • MCP server

    Shared Capabilities

    Both Clay and TheirStack 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 TheirStack

    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • MCP server

    Integration Ecosystem

    Integration grid: Integration Ecosystem (Clay, TheirStack, Salesforce, HubSpot)

    Clay Integrations

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

    TheirStack Integrations

    TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.

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

    Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N, Zapier.

    Use Case Recommendations

    Best Fit for Clay

    • Mid-market to enterprise teams with established B2B lead data and contact enrichment budgets
    • Teams that need a wide feature set (9 capabilities listed)
    • Organizations with complex tech stacks needing broad integration support (14 integrations)
    • Enterprise buyers who prefer custom pricing and dedicated support

    Best Fit for TheirStack

    • 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

    FeatureClayTheirStack
    Starting Price$185/moFree
    Top Tier PriceContact SalesContact Sales
    Total Features Listed98
    Integrations145
    FoundedN/A2021

    Getting Started Checklist

    Step sequence: Getting Started Checklist (Define B2B lead, Estimate expected data, List integrations, Sign up)

    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 TheirStack both serve the B2B lead data and contact enrichment market. TheirStack offers a more accessible entry point, 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 TheirStack for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between Clay and TheirStack?
    Clay is a data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment called Claygent. TheirStack is a job posting and technographics database that finds companies by the technologies they use and the roles they are hiring for, and enriches company lists with technographics and buying intent data.
    How much does Clay cost compared to TheirStack?
    Clay's entry plan, Launch, costs $185/mo and includes actions starting from 15,000 per month. TheirStack has a free tier with 50 company credits and 200 API credits per month, plus a paid API, Webhooks and MCP plan at $49/mo with 1,500 API credits per month.
    Does TheirStack have a free plan?
    Yes, TheirStack offers a Free plan that includes 50 company credits and 200 API credits per month. This lets teams evaluate the platform without upfront cost before moving to usage-based app pricing or the $49/mo API, Webhooks and MCP tier.
    Which tool has more integrations, Clay or TheirStack?
    Clay lists more integrations, with 14 named partners including Salesforce, HubSpot, Pipedrive, Apollo.io, and ZoomInfo, plus 150+ data provider integrations overall. TheirStack lists 5 named integrations: Clay, LinkedIn Audiences, Make, N8N, and Zapier.
    Which tool is better for enterprise teams versus budget-conscious teams?
    Clay is positioned as the better fit for mid-market to enterprise teams with established budgets, wider feature needs, and complex tech stacks requiring broad integration support. TheirStack is positioned as the better fit for budget-conscious teams that want to start free and scale usage as their needs grow.
    ClayTheirStackData 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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