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    Tool comparison · Head to headUpdated 9/4/2026

    mailboxlayer vs Vainu

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    mailboxlayer

    mailboxlayer is an email verification API (an apilayer product) with syntax and typo checks, real-time SMTP and MX-record verification, catch-all detection, free and disposable provider databases and a quality score. Plans are monthly API request allowances.

    Starting atCustom0
    Tool B

    Vainu

    Vainu is a Nordic company and contact data platform for B2B prospecting, CRM enrichment and data delivery, with databases for Denmark, Finland, Norway and Sweden. Products are Vainu for Prospecting, Vainu for CRM and Vainu for Data, priced per year in euros with a one-time onboarding fee.

    Starting atCustom
    02Line by line

    Pricing comparison.

    Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.

    03Capabilities

    Feature comparison.

    FeaturemailboxlayerVainu
    Syntax and typo check
    Free and disposable provider databases
    Real-time SMTP verification
    MX-records check
    Catch-all detection
    Quality score
    Bulk endpoint
    256-bit HTTPS encryption
    Company database for Denmark, Finland, Norway and Sweden
    Prospecting lists
    CRM enrichment
    Data delivery and API
    Preview file before download
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    mailboxlayer

    Vainu

    SalesforceHubSpotPipedriveMicrosoft Dynamics
    05Keep exploring

    Explore more.

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    Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.