RevenueFlow
    All tool comparisons
    Tool comparison · Head to headUpdated 9/4/2026

    mailboxlayer vs RevenueBase

    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

    RevenueBase

    B2B data infrastructure with 390M+ global contacts and 60M+ companies sold as a flat-rate, unmetered data feed (unlimited seats and downloads, monthly refresh) or as pay-per-outcome API credits that are charged only when a result is delivered.

    Starting at$833/month
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeaturemailboxlayerRevenueBase
    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
    390M+ global contacts
    Business emails (verified every 60 days)
    Mobile phone numbers
    60M+ global companies
    50+ insight fields
    Technographics across 15+ categories
    Website traffic & ad spend
    Team sizes & open roles
    Mobile app store data
    RevenueBase API
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    mailboxlayer

    RevenueBase

    SnowflakeS3ClayOrbital
    05Keep exploring

    Explore more.

    Best mailboxlayer alternativesBest RevenueBase alternatives
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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.