OEM Visitor Identification API: Embed in Your SaaS | Happierleads
See the exact people visiting your website and Follow up with them.

If you build a B2B SaaS — CRM, marketing automation, analytics, agency platform, ABM tool — OEM visitor identification is how you add a high-value product surface without building the data graph yourself. This guide covers how an OEM API works, what the integration looks like, and how the Happierleads OEM program is structured.
What OEM means in this context
OEM (original equipment manufacturer) means Happierleads' visitor identification technology runs inside your product, surfaced under your brand. Your users never see "Powered by Happierleads" — they see identified visitors as a native capability of your platform.
Why build via OEM instead of from scratch
- Data graph takes years. A credible visitor identification product requires a 175M+ verified contact graph and a 20B+ IP-to-company map, continuously re-verified. Building this from zero is a multi-year, multi-million-dollar commitment.
- Verification infrastructure is expensive. 8+ verification providers, continuous re-verification, LinkedIn cross-checks.
- Compliance takes legal runway. GDPR, CCPA, legitimate interest documentation, DPAs.
- You can ship it next quarter via API.
What the API exposes
- Visitor identification endpoint: Submit an IP + first-party cookie token, get back company + likely-person data.
- Company enrichment: Submit a domain, get firmographics, technographics, funding, committee view.
- Contact enrichment: Submit a name + domain, get a verified email + LinkedIn + tenure.
- Email waterfall verification: Submit an email, get a consensus confidence score from 8+ providers.
- LinkedIn real-time check: Submit a person, get employment + role + tenure live.
- Webhooks: Push identified visitors into your product as they land.
How the integration usually looks
- Your customer drops your tracking snippet on their site (unchanged for them).
- Your snippet forwards IP + first-party cookie to the Happierleads API.
- The API returns identification data in 1–2 seconds.
- You display it inside your product.
- Your user never knows Happierleads is involved — it's a native feature.
What your product gets
- A differentiator against competitors without a data graph.
- A justification for higher-tier plans.
- Stickiness — customers don't switch away from products that reveal their anonymous visitors.
- Expansion revenue via add-on enrichment credits.
Commercial structure
- Volume-based pricing per lookup / per contact enriched / per verification.
- No per-seat or per-customer fees — you pay for the data you consume.
- Co-terminous contract aligned to your renewal cycles.
- White-label documentation so your support team can answer questions.
Who runs OEM with Happierleads today
- Marketing automation platforms adding lead identification.
- Agency platforms adding multi-client visitor tracking.
- Analytics tools adding B2B company-level overlays on sessions.
- CRMs adding visitor-to-record enrichment.
Next step
Review the OEM partner program or book a technical call to walk through the API and commercial structure.
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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. Marketers use the platform to automate lead generation and 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?
How accurate is the visitor identification?
Most reverse-IP tools only identify the company. We go further — using our permissioned publisher network we identify the exact person behind the visit and enrich them with verified work email and LinkedIn data. Match rates depend on traffic geography, but customers typically see person-level identification on 30–55% of B2B sessions and company-level on 80%+.
How long does setup take?
About 5 minutes. Sign up, paste a single tracking snippet into your site (or install our GTM template / WordPress plugin), and identified visitors start appearing in your dashboard within a few hours. No engineering project required.
What if my website doesn't get much traffic?
You don't need huge traffic to win — most of our customers have under 10,000 monthly visitors. Even on lower-traffic B2B sites a handful of identified buyers per week often pays for the tool many times over. You can also pair it with our 175M-contact database and outreach engine to build pipeline beyond just your site visitors.
Does it integrate with my CRM and outreach tools?
Yes. Push identified leads directly into HubSpot, Salesforce, Pipedrive, Zoho, GoHighLevel, Slack, or anything that supports Zapier and webhooks. CSV export is available on every plan, and our built-in email and LinkedIn outreach engine lets you act on identified visitors without leaving Happierleads.



