BillionVerify
We provide email validity verification services for small and medium-sized enterprises.
Marketing · Founded 2026 · Hong Kong SAR China
- Marketing
- AI
- SaaS
- Dev Tools
- Sales
Can you vibecode this?
Yes
Syntax checks, MX lookups, SMTP pings, and disposable/role-based detection are all standard API calls and network requests. The bulk processor, real-time API, and whitelabel layer are straightforward SaaS plumbing — one builder ships the core loop.
The business
Total revenueEstimated from public sources and the business’s own reporting, not independently verified.
$5K+
Verified > 6m ago
Monthly revenueEstimated from public sources and the business’s own reporting, not independently verified.
$1K+/mo
↑ Growing · 60-day average
Peak month
~$3K
Best single month
For owners
Own BillionVerify? List it for sale.
Founders read this page looking for a business to build like your $1K+/mo one — some would rather buy one that already works. They skip the line, you get a clean exit. $25 one-time, no commission.
Why it works
Value proposition
Verifies email addresses in real time before they corrupt lists or workflows.
Problem
Bad email addresses inflate bounce rates and poison AI agent pipelines.
Audience
Sales teams, marketing teams, agencies and SaaS platforms sending at volume.
Business model
Free tier with no credit card, then pay-per-email credits or subscription tiers via Stripe.
Can you vibecode this?
Yes
Syntax checks, MX lookups, SMTP pings, and disposable/role-based detection are all standard API calls and network requests. The bulk processor, real-time API, and whitelabel layer are straightforward SaaS plumbing — one builder ships the core loop.
Moat
- Ecosystem embedding
- Proprietary data
Why people pay BillionVerify
BillionVerify is already wired into CRMs, outbound tools, and AI agent pipelines via integrations and an MCP server. It has also processed over 1 billion emails, building reputation and deliverability signal data a fresh copy starts without.
Product complexity
ModerateReal-time SMTP verification, bulk list processing and a whitelabel portal are all standard web app capabilities.
Data
ModerateVerification accuracy depends on live SMTP probing, MX lookups and reputation data from external DNS and blacklist sources.
Integrations & infrastructure
LowNamed CRM and automation platforms connect via their public APIs using customer credentials.
Human operations
LowBatch jobs and real-time API calls run on standard hosted infrastructure with no manual steps.
Regulation / hardware
LowEmail verification carries no sector-specific licensing or compliance requirements.
Build this business
Use the build specification below with any AI coding tool, or build it directly with Leapd.
Build This with Leapd →Leapd builds
- Web app with single verification, bulk list cleaning, API key dashboard and whitelabel portal
- Pay-per-email credits and subscription plans with Stripe
- Mailchimp, SendGrid, HubSpot, Salesforce, ActiveCampaign, Klaviyo, Pipedrive, Zapier and Make connections
- A landing page
Leapd runs
- Cold email outreach to potential customers
- Meta ads
- LinkedIn and X posts
- SEO and AI-search visibility
- A daily report of what shipped
Opportunity check
- Passes: Proven market: $1K+/mo already paid for it
- Passes: Proven model: Free tier, then pay-per-email credits or paid plans
- Passes: Proven need: Email senders need clean lists every campaign
- Passes: Buildable: Leapd builds it end to end
Build a SaaS email verification platform sold on a free tier plus paid credit or subscription plans via Stripe.
Product:
- Single email verification that returns SMTP status, MX records, deliverability score and reputation details
- Bulk email list verification with validity distribution, result breakdown and export filters
- CSV file upload for batch jobs with live progress tracking by status and email notification on completion
- Real-time email verification API with structured JSON responses, SMTP verification and API key management
- Whitelabel portal so agency customers can run a branded verification service on their own domain with client workspaces and brand controls
- Free tier granting 600 verifications per month with no credit card required
- Customer dashboard showing verification history, usage and downloadable results
Billing:
- Free tier at 600 emails per month; paid plans or per-email credit packs charged with Stripe
Integrations:
- Mailchimp, SendGrid, HubSpot, Salesforce, ActiveCampaign, Klaviyo, Pipedrive, Zapier and Make connected via their APIs using the customer's own credentials
Data:
- Live SMTP probing, MX record lookups, DNS blacklist feeds and IP reputation sources connected via their public APIs for real-time verification signals
Business details
Similar businesses
Questions
How much revenue does BillionVerify make?
BillionVerify has made $5K+ in revenue to date and brings in $1K+/mo, with its best month around $3K.
How does BillionVerify make money?
BillionVerify sells email verification credits and paid plans, with a permanent free tier and upgrades charged through Stripe.
Is BillionVerify growing?
Yes. Revenue has been rising over the last 3 months.
Can you vibecode a business like BillionVerify?
Yes, with Leapd. It builds the product, then helps you find customers with outreach, ads and SEO. See the build spec →
Ready to build it?
The market is proven. The opportunity is real. Build your version with Leapd.
Build This with Leapd →Founder interest
Nobody yet — be the first