Reach the people Happierleads identifies — without torching your domain
Identification is only half the job. Once Happierleads tells you who is on your site, the waterfall makes sure your outreach to them actually lands. Every contact we surface is cascaded through 8+ independent providers — ZeroBounce, NeverBounce, Kickbox, Hunter, Dropcontact, MillionVerifier, Emailable, and our own in-house SMTP layer — and only released if it clears all of them. That's how Happierleads users hold 98%+ inbox deliverability while DIY stacks sit at 70–80%.
Built into Happierleads. Not sold as a standalone verifier — it ships with identification on every plan.
Three invisible killers of outbound performance
A single verification pass misses too much. Our cascade catches the problems a one-shot verifier can't — before they torch your domain reputation.
Catch-all detection
Catch-all domains accept everything, then silently drop it. Our waterfall probes them via multiple pathways and flags risky addresses before they bounce.
Role-based suppression
info@, sales@, support@, noreply@ — auto-removed. Higher reply rates, cleaner reputation, fewer abuse reports.
Bounce protection
A 3% bounce rate will hurt you. A 10% bounce rate will kill your sending domain. Waterfall holds bounce rates below 2%.
8 providers. One clean result.
Every contact is run through a prioritised chain of verifiers. The moment one confidently confirms the address — or rejects it — we stop. You pay one flat price and get the best answer any single vendor would give, plus the cross-checks none of them would run alone.
- check_circleZeroBounce + NeverBounce + Kickbox. Tier-1 SMTP verification, MX validation, syntax checks.
- check_circleHunter + Dropcontact + Emailable. Pattern discovery, catch-all risk scoring, domain-level reputation.
- check_circleMillionVerifier + in-house layer. Final cross-check and confidence consensus across the entire cascade.
- check_circleContinuous re-verification. Our 175M graph is re-verified constantly, not once a quarter — so the email you pull is the email that lands.
One verifier misses 1 in 5 catch-alls. We miss close to none.
We benchmarked every major vendor against our own 10M-address ground-truth set. The best single vendor got to 82%. The cascade gets to 98%+ — and that's the gap between "outbound is working" and "your domain is in the spam folder".
- check_circleCross-validated results. When two providers disagree, a third is called automatically to break the tie.
- check_circleConfidence scores exposed. Every email ships with its confidence — send the 95%+ group hard, nurture the rest.
- check_circleProvider-agnostic. If one vendor's accuracy drops, we route around them without you noticing.
- check_circleNo double-billing. You pay Happierleads once. We pay the providers. No per-credit arithmetic.
Bad emails don't just bounce. They kill your domain.
Even a single week of 6%+ bounces can get your sending domain throttled by Google and Microsoft for months. The waterfall isn't a nice-to-have — it's the safety net between your pipeline and a dead domain.
- check_circlePre-send verification. Every address is re-checked the minute before dispatch, not when your CSV was uploaded.
- check_circleDisposable & honeypot blocks. Mailinator, Tempmail, known spam traps — removed automatically.
- check_circleTenure filter (optional). Pair with our LinkedIn real-time check to filter ex-employees before they bounce.
- check_circlePostmaster monitoring. We watch Google Postmaster + Microsoft SNDS and alert if your reputation dips.
Bulk, real-time, or CRM-native — one system
No separate tool, no separate budget. Verification is woven into every part of Happierleads — and available as an API.
- check_circleBulk CSV verification. Drop 100k addresses, get them back cleaned — usually in under an hour.
- check_circleReal-time API. Single-email verify in 1–2s. Plug into your form handlers, signup flows, or webhook stack.
- check_circleCRM & sequencer-native. Every contact pulled into HubSpot, Salesforce, or our Follow-up Engine is auto-verified.
- check_circleAudit log + re-runs. Every verification is logged. Re-verify older contacts with one click.
Upload a list. See your real deliverability in minutes.
The waterfall runs free for your first 100 contacts. See how many of your "verified" emails were quietly broken.
The clean-email layer the rest of the stack depends on
98%+ deliverability, measured weekly
Not a marketing claim — a Postmaster-reported number. We track your primary-inbox placement and publish the metric to every customer dashboard.
No per-credit tax
Flat pricing. Burn a vendor? We swap them. You pay the same.
Fast enough for real time
Sub-2s per contact. Use it in signup forms, not just in batch jobs.
Honeypot & disposable blocks
Spam traps and throwaway domains removed before they touch your sends.
API + CSV + CRM
Use it however you like. Bulk, real-time, or inline in HubSpot/Salesforce.
Confidence + reasons
Every result ships with its confidence score and the provider that delivered it.
How it works
Send the address
CSV, API, or direct from a pulled contact.
Cascade runs
Tier-1 verifiers first — escalate on low confidence.
Consensus built
Confidence blended across providers, verdict assigned.
Ready to send
Safe addresses pushed downstream; risky ones held back.
Outcomes within 30 days
Primary-inbox placement
Measured against Google Postmaster and Microsoft SNDS, not self-reported.
Bounce rate
Safe below the 5% line that gets sending domains throttled.
Higher reply rate
Cleaner sends = better reputation = more replies, not fewer sends.
See why people like you choose Happierleads
Great tool for capturing web visitors
"It allows us to identify visitors and rate them for quality, then it allows us to capture their contact detail and setup email automations."
Learn who's browsing your website!
"I can automate my marketing and reaching efforts with ease. You set it up one and the platform does it all for you with minimum input from you. "
Get more leads with your website!
"Happierleads provide accurate data about the website that visits my website. Knowing who is visiting my website is gold and I can spend less in ads.."
Website Identification FAQs
Does Happierleads have a Free trial?
What is Happierleads?
HappierLeads is the only solution that enables you to identify, qualify, and engage with your anonymous B2B website visitors—all within a single tool. No additional licenses or integrations with other outreach automation tools are necessary.
Who typically uses Happierleads?
Happierleads is used by Sales, Growth, and Marketing teams across various industries. If you are a B2B company, we are the solution for you. Sales teams use the platform to turn anonymous traffic into opportunities and increase productivity. While on the other hand, Marketers use the platform to automate lead generation, increase conversions.
How is this different from Clearbit, 6Sense, or DemandBase’s Website Identity Solutions?
Most companies rely on ‘Reverse IP Lookup’ technology to connect IP addresses with company names. At Happierleads, we use a completely different approach—our fully-permissioned, proprietary publisher network—allowing us to identify the exact individuals visiting your website. Discover more about how we identify your site visitors here.
Why is Happierleads ranked number #1 for data quality on G2 and Capterra?
Happierleads offers an advanced feature that automatically filters out bots, ISPs, and other non-qualifying traffic sources to ensure you receive only high-quality leads. Additionally, unlike other tools, Happierleads provides the flexibility for you to manually remove leads as needed.
What about U.S. state privacy laws, like the California CCPA and CPRA?
