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BillionVerify

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Email verification with 99.9% accuracy, real-time SMTP checks, bulk cleaning, and API.

BillionVerify introduction

BillionVerify is an email verification tool built for scale that offers real-time SMTP checks, bulk list cleaning, and API integration with claimed 99.9% accuracy. It provides 100 free checks daily with no signup.

Website:
billionverify.com
๐Ÿ“ง Email Assistantfreemium
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BillionVerify screenshot

BillionVerify overview

BillionVerify combines syntax, domain, MX, SMTP, reputation, and risk checks to return clear statuses for individual addresses, lists, and API workflows. It supports single email verification, bulk email verification, email list cleaning via CSV upload, an email validation API, and a whitelabel service for launching branded verification portals. The tool includes features like disposable email detection, catch-all domain detection, role-based email filtering, spam trap detection, and native AI agent integration via MCP server. It is positioned for sales teams, marketing teams, agencies, and various business types needing clean email data.

BillionVerify features

  • Real-time SMTP verification
  • Single email verification with deliverability score
  • Bulk email verification with validity distribution and export filters
  • Email list cleaning via CSV upload with live progress
  • Email validation API with structured JSON and real-time response
  • Whitelabel service with custom domain and client workspace
  • Syntax, domain, MX, SMTP, reputation, and risk checks
  • Disposable email detection
  • Catch-all domain detection
  • Role-based email filtering
  • Spam trap detection
  • Native AI agent integration / MCP server

Questions about BillionVerify

BillionVerify pros

  • 99.9% SMTP-level accuracy claim
  • Real-time SMTP verification and API speed
  • Free tier with 100 checks daily, no signup
  • Bulk verification and list cleaning
  • API for integration
  • Whitelabel service
  • Native AI agent integration / MCP server
  • Low cost per email ($0.00014)

BillionVerify use cases

  • Sales teams keeping reps focused on reachable buyers
  • Marketing teams protecting deliverability before campaigns
  • Agencies standardizing list quality for clients
  • Cold email list cleaning
  • B2B leads list cleaning
  • Google Maps list cleaning
  • Local business list cleaning
  • B2B agency list cleaning
  • Signup flow validation to prevent fake registrations
  • Cart/checkout email validation to reduce invalid submissions
  • Newsletter subscriber list cleaning
  • Outbound lead intake workflow filtering

Who BillionVerify is for

  • Sales teams
  • Marketing teams
  • Agencies
  • E-commerce businesses
  • SaaS startups
  • Enterprise marketing operations
  • B2B sales organizations
  • Email marketing agencies
  • High-volume email senders
  • Newsletter publishers
  • Developer teams / AI agent workflows
  • B2B technology companies

BillionVerify pricing

Free tier: 100 email verifications daily, no signup or credit card required. Paid plans start at $20; per-email pricing from $0.00014.

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