BillionVerify

BillionVerify is an AI-powered email verification platform positioned as a low-cost, high-accuracy solution for cleaning email lists and protecting sender reputation. It markets itself as 'the only email verifier with native AI agent integration' and claims to verify billions of emails at 1% the cost of typical services. The platform is built for sales teams, marketing teams, agencies, SaaS companies, e-commerce brands, startups, and enterprises that depend on email outreach, signup flows, and automated campaigns. Core features include single email verification, bulk email verification, email list cleaning via CSV upload, a real-time email validation API, and a whitelabel service for launching branded verification portals. Verification combines syntax, domain, MX, SMTP, reputation, and risk checks, with additional detections for disposable emails, catch-all domains, role accounts, and spam traps. BillionVerify integrates with tools such as Mailchimp, SendGrid, HubSpot, Salesforce, ActiveCampaign, Klaviyo, Pipedrive, Zapier, Make, and Integrately. It also offers native MCP Server integration for AI agent workflows. The user experience emphasizes a free tier with 600 emails per month, no credit card required, clear statuses, live progress for bulk jobs, structured JSON API responses, and sub-200ms API speed. Technical highlights include 99.9% SMTP-level accuracy, real-time processing, and scalable infrastructure for high-volume verification. Content resources include pricing, docs, benchmark methodology, blog, about page, integrations directory, and numerous tool-specific landing pages for email finding, validation, spam checking, and list cleaning. Pricing follows a freemium, pay-per-use model with a free monthly allowance and usage-based pricing at $0.00014 per email, plus custom options for volume and whitelabel deployments.