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

    Proofy vs Warmer

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    Proofy

    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.

    Starting at$5/month
    Tool B

    Warmer

    Warmer is an AI-powered B2B sales enrichment platform that takes uploaded lead lists (CSV or API), enriches them and generates personalised outreach copy from LinkedIn and web research, priced by monthly credits with a free trial.

    Starting at$79/month
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureProofyWarmer
    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
    CSV upload and processing
    API access
    Social enrichment API
    AI-personalised outreach copy
    Email validation credits
    Credit-based pricing with no long-term contracts
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Proofy

    Warmer

    LinkedInZapierSalesforceHubSpot
    05Keep exploring

    Explore more.

    Best Proofy alternativesBest Warmer 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.