Lead Verification Services

8 demos booked in 7 days with emails that had zero personalization. No first names. No custom openers. No "I saw your LinkedIn post about..." 9.11% reply rate. Industry average is 1-3%. Here's what was underneath the copy: A SaaS company built an AI operating system for roofers. Smart glasses for hands-free inspections. An AI call responder. A quoting tool that generates proposals before the roofer leaves the driveway. Strong product. Real customers. No outbound engine. So we built it from scratch: 1️⃣ TAM Mapping - 89,562 companies for a single segment 20+ sources scraped and cross-referenced. State license databases, Google Maps, manufacturer directories, BBB, SAM.gov, review platforms, trade show lists. State license databases alone produced 44,677 records with owner names already attached. Free public data. Easy to walk past this because it's messy - different formats per state, no API, manual work. That messiness is why it works. Tech used: → Claude Code (orchestration + scraping) → Serper (Google Maps data) → Icypeas (company discovery) 2️⃣ Lead Verification - 20,557 campaign-ready 89K companies is not 89K sendable leads. Bad emails destroy months of warmup work. We built a multi-source enrichment waterfall for email discovery and verification. Only verified business-domain emails survived. Tech used: → BlitzAPI (email discovery from name + company) → Prospeo (email fallback) → Icypeas (additional coverage) → LeadMagic (email verification) 3️⃣ Campaign Architecture - 15 campaigns, 5 angles A common outbound mistake is to write one email and send it to everyone. This system tested the pain angle, not the copy. We had 10 recorded demo calls analyzed. The 5 moments where prospects got visibly excited became the 5 messaging angles. 5 angles x 3 inbox segments = 15 campaigns. Every variable controlled except the messaging/offer. There are plenty more experiments to run but this was a strong start. Tech used: → EmailBison (sending infrastructure) → 102 warmed Google senders → EmailGuard (Inbox provider segmentation) 4️⃣ Reply Management Response templates built before the first email went out. Auto-labeled replies by intent. Slack alerts. BDR warm calling within minutes. One of the biggest keys to this client's success is having a human in front of every reply within 5 minutes of a positive response. Tech used: → Masterinbox.com (reply aggregation + labeling) → Prospeo / Leadmagic (Phone Enrichment) → Slack (real-time alerts) → OutboundSync (CRM Sync) → Custom response playbooks per angle One outbound system built once - proprietary data and infrastructure that gets more valuable every month it runs.

The most frustrating reply in outbound isn't "not interested." It's this: "I haven't worked at that company for six months." The problem isn't your targeting strategy. It's that most B2B databases are static snapshots. They scraped the data months ago, but the person changed jobs yesterday. Here's what's actually broken: Traditional databases only periodically scrape platforms like LinkedIn. By the time you export that list, the VP you're targeting? They switched companies 3 months ago. You're paying for outdated data. I've been digging into what our partners at BetterContact are building, and they're tackling this specifically with the first real-time, multi-source B2B lead finder. Instead of relying on a single, stagnant database, they're doing something much smarter: Multi-Source Aggregation: They pull from 20+ sources simultaneously - premium B2B databases, AI-powered web crawling, and graph expansion techniques. If one source doesn't have it, the system automatically checks the next. Real-Time AI Verification (This is the game-changer): Before you get a contact, AI agents crawl the live web to verify: -> Does this person still work at this company? -> Is their job title still accurate? -> Are they still in that location? They run these checks across social media and websites in real-time. If the AI detects the person has moved on, you don't get the bad data. The best thing: it doesn’t cost anything to source the leads, just the typical email/mobile phone enrichment rates apply (only charges if it’s triple-verified). The result? -> 99.5% email verification accuracy. -> 31% more sales opportunities through cold calling. -> No more "wrong person" replies destroying your campaigns. It's a massive shift from hoping a database is up to date to actually verifying it in real-time. If you're tired of high bounce rates or awkward "I don't work here anymore" replies, their real-time waterfall approach to accuracy is worth exploring. Shoutout to Roman Hipp for building this - excited to see where they take it next.

LeadMagic dropped a feature in their API outputs that I think many other companies are going to follow suit on and it will highly increase the accuracy of your lists. We've talked about it before, and many email verification tools are essentially guessing common email permutations. first@ first.last@ firstlast@ etc. And while everyone has their own proprietary blends of more secrets beyond this, which is why we use so many different partners, LeadMagic just started including an employment verification in their outputs, which might be one of the first that I've ever seen to do so. Basically included in the cost of a LeadMagic credit, they are checking the person's LinkedIn profile and seeing if they still work at the company with the domain that you just used in your input, and they won't give you an email if they've moved on to a different company. When people move on to different companies, a lot of times they don't completely disconnect the email just in case any customers or partners email them. They can see it and pass it on to the right person. So when an email finder tries to validate the email, it'll still come back valid, and this is where LeadMagic can help clean up your list and only get you people that are actually working at the company. And they don't charge you for emails that aren't validated so this process is just included. Really nice feature drop from Jesse!

6000+ customers, $250M in revenue. You can say we sold a few deals. But I never got the one feature I wanted most. I got fancy tools, data, great manager to rep ratios, top notch enablement. Never email verification. 8 years ago, I sent the CEO an email. It wanted to prevent users from sending to emails we knew bounced. We could see across 100s of companies the same email bouncing every time. Yet, we’d let a user send an email to an address that we knew didn’t work. That’s like your trainer telling you to bench press a weight that injures you. They are supposed to help you build muscle, not keep you out of the gym. Yet, major sequencing tools let their customer burn their domains. I don’t get it. There are a new batch of tools out there, though. These tools have built -n email verification. From multiple sources and using multiple methods. I had someone from lemlist reach out to me. They saw me post about this topic a few months ago. They said, “Mark, we built in email verfication...in the actual tool.” What? Huh? Really??!!! Damn. Finally. Now, there are 2 main ways to validate emails. And, for those email super nerds, I don’t mean technical ways. Y’all got that nailed, and I’m not sure this sales guy understands. But, I do know the 2 main ways most regular folk do it. 1. Go to an email verification vendor with a list and ask them to verify. Better than nothing, but not much. 2. Go to LOTS of email verification companies and ask them to verify. Aggregate the results in a spreadsheet. Even better but still not quite right. The best way is with a verification waterfall. One place. Lots of trusted vendors working together to get the best result. It’s called a waterfall. If a service is unsure of an email’s validity, it's passed to a new vendor. This continues until we get a signal the email is def good or bad. lemlist has picked the vendors and created the waterfall. They can verify 80% of your leads' emails. Lower your bounce rate. Increase your deliverability. Outbound email is hard enough. It’s impossible when you are sending emails to addresses that don’t exist. If you compound the outbound ineffectiveness you have from emails you send to good email addresses that don't get through bc you have burned your sending domain at their server, you say outbound is dead. It's not. Your email infrastructure is...just like my feet were after 20,000 steps trying to keep up with the EMEA Docebo revenue teams while I'm over here! But the people and places are worth every blister!

Data is not a commodity, yet most teams only see 10% of the lead generation data market. It has quietly evolved into its own mini-ecosystem. Whether you're trying to generate leads for Go-To-Market (sales/marketing), M&A, or recruiting, more relevant results equal more alpha. Here's the market map! First off, we work with several of these companies. We've also trialed a bunch and are actively trialing a few. Freshness, breadth of data, accuracy, latency, speed, API documentation, ease of querying, and rate limits are all different value props that these companies are hard at work on improving. People/Company Intelligence (client-first) [$2.5bn TAM]: Apollo, ZoomInfo, Dun & Bradstreet, LinkedIn, Breeze (owned by HubSpot), Lusha, Cognism, LeadIQ, Seamless.AI Leads, and Snov.io are tools customers primarily log into and also have data under the hood. People/Company Intelligence (API-first) [part of previous segment's $2.5bn TAM]: Crustdata (YC F24), People Data Labs, Bright Data, Xverum, MixRank, and Coresignal are all infra-style (picks and shovels) products where the API is the product. Contact Info [$350mm TAM]: Hunter.io, RocketReach, Datagma, Prospeo.io, Findymail, Dropcontact, ContactOut, and Nooks (phone-focused) are great for teams that just want emails/phones without the entire data OS. Contact Verification [part of previous segment's $350mm TAM]: NeverBounce by ZoomInfo, ZeroBounce, Emailable, Validity Inc., MillionVerifier, and Clearout provide the "hygiene" layer that quietly keeps your domain from catching fire with bounced emails. They also frequently serve as part of the infra for contact providers as well! Data Collaborators: Clay and Scend are helpful when you want to orchestrate several of them, side-by-side, instead of signing up for a single or a select set of sources. We love Clay, and they have more data partnerships than we do. They're focused on GTM. We're focused on finance. Some of our PE customers have portfolio companies using us for GTM, though, and they will tell you that we find more relevant companies than they do. If you're in the market for vendors, we hope this helps you do your diligence and talk to as many amazing companies as makes sense for you! #gtm #sales #marketing #data #companyintelligence #marketmap #marketresearch #leadgeneration #mergers #privateequity

Your lead gen workflow is broken at the enrichment step.   I spent 6 months testing different email finders in my n8n workflows.   Here's what I learned: most tools either give you bad data or charge you twice for the same email.   Then I found Icypeas.   Here's why it works for automation:   The API is stupid simple. One endpoint, clean responses, no rate limit headaches.   The credits never expire. Build a workflow in Clay today, use those same credits in Make six months later.   The verification actually works. 1.33% bounce rate means your sender reputation stays clean.   And here's the thing nobody talks about: catchall verification.   Most tools mark Microsoft and Google catchalls as "risky" so you skip them. Those are often your best leads. Icypeas verifies them.   I'm running this in my n8n workflow right now:   Data scrape (via Koolkit) > Icypeas enrichment > email verification > straight to my CRM.   2,500 leads per day. Highest email discovery rate. Under 2% bounces.   At a fraction of what I was paying before.   If you're building automated outbound workflows in Clay, n8n, Make, or Zapier, this is worth testing.   Over to you: What's your current bounce rate on cold emails?

The most underrated part of lead generation? Having a system. Because finding leads is one thing. But finding, verifying, enriching, and scaling them? That takes frameworks. Now I would love to share my framework with you. Here's my breakdown using Icypeas: ☑ Filter your audience, upload names and domains, let Icypeas match verified emails, and get a confidence-scored list. ☑ Scan every address, remove risky ones, detect catch-all domains, protect your sender reputation. ☑ Pull professional data, standardize it, segment high-value prospects, and enable personalization. ☑ Scan company domains for role-based emails like info@ or contact@. Perfect for smaller companies. ☑ Feed raw leads into the API, enrich and verify automatically. Zero manual work. ☑ Rank leads by quality, focus on the best ones, refine targeting over time. ☑ Use enriched profiles to personalize outreach at scale. Group leads, tailor messages, increase reply rates. ☑ Leverage a billion+ refreshed records, flexible credits, and stable API infrastructure. And when it comes to email verification, Icypeas really does offer a valuable solution for my agency. High accuracy and affordable price… Most people stop at step one, collecting emails. The ones who build real pipelines? They run them all. And take it from me, the difference in conversion is massive.

Last month, we enriched 140.000 leads for a client to find mobile phone numbers - 92.000 came out as valid. How do we know? We ran these numbers through our new BetterContact phone verification system (to be released soon), and filtered out: 1. 𝐅𝐨𝐫𝐦𝐚𝐭 𝐂𝐡𝐞𝐜𝐤𝐞𝐫 We ensured every number was correctly formatted based on international dialing standards. ↳ Numbers that failed this check were instantly discarded. Examples: ✔ +1 212 555 xxxx (Valid E.164 Standard) ❌ +44 7712 xxxxxxxx (Invalid Country Code) 2. 𝐋𝐢𝐧𝐞 𝐓𝐲𝐩𝐞 𝐈𝐝𝐞𝐧𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 Is it a mobile, landline, or VoIP number? ↳ For campaigns, targeting mobile numbers is often critical—this step ensures your outreach hits the right channel. Examples: ✔ +49 151 xxxxxxxx (151 is a mobile number prefix) ❌ +1 212 555 xxxx (Landline number identified) 3. 𝐂𝐚𝐫𝐫𝐢𝐞𝐫 𝐚𝐧𝐝 𝐆𝐞𝐨𝐠𝐫𝐚𝐩𝐡𝐢𝐜 𝐃𝐚𝐭𝐚 We identified the carrier and the geographic region associated with each lead. ↳ This allows us to check whether the mobile phone number's geography matches with the lead's location. Examples: ✔ +1 212 555 xxxx (Country code matches lead’s location) ❌ +49 151 xxxxxxxx (Country code does match lead’s location) 4. 𝐀𝐜𝐭𝐢𝐯𝐢𝐭𝐲 𝐒𝐜𝐨𝐫𝐢𝐧𝐠 Beyond basic validation, we assessed whether a number was actively in use through a proprietary method. ↳ P3 & P4 numbers (low activity score) are being flagged as invalid. ✔ +44 7400 xxxxxx (Score 95% - Frequently active) ❌ +1 212 555 xxxx (Score 10% - Inactive or unused) The result? A client who can now confidently reach their audience with verified, active numbers, saving time and resources while improving connection rates. And this is just the beginning - we’re excited to roll out this feature soon. What’s your biggest challenge with phone number verification? 👇

Stop ignoring validating work emails or doing it the wrong way. Seriously, it's greatly hurting your outreach results. When I first started building lead lists, I thought the job was done once I had work emails. Big list = more prospects = more pipeline, right? Wrong. Finding emails is only half the equation. The real pain kicks in when you start sending… And 10%+ of them bounce. Every bounce hurts twice: → You waste credits → You kill deliverability → And your pipeline dries up before it even starts That’s when it clicked: Validation is just as important as enrichments. A good list isn’t just big, It’s usable. And that’s why I use Icypeas. They don’t just help you find emails. They make sure they’re verified and ready to send: → Some of the best coverage rates in the market → Advanced verification to slash bounces → Even catchall emails validated (most tools miss this) → Credits that never expire - so nothing goes to waste Because anyone can hand you a CSV. But only validated data actually lands in the inbox. And that’s the difference between “just sending” And building real pipeline. Do you validate every list before launching? Or do you still roll the dice?

Why aren't you getting enterprise leads? A lot of leaders ask their SDRs and Lead generation teams this question. Well, the actual responsible people for it are the leadership. Hear me out... Enterprise lead generation isn't just about sending emails; it's about sending the 𝗿𝗶𝗴𝗵𝘁 emails to the 𝗿𝗶𝗴𝗵𝘁 people, and making sure it reaches their inbox. As a leader, you need to enable the right tools for your team 1. Warmedup Email accounts 2. Best reputation based domains, servers and IPs. 3. Top notch outreach sequencing tool 4. Tested data sourcing platforms 5. High accuracy and output based email validation tools. There are lots of gurus on Linkedin who talk about the first 4, but I can definitely tell you something interesting about #5. If you're relying on standard email verification tools, you're potentially losing up to 50% of your outreach opportunities. Because they use standard methods which do not verify Catch-All (Accept-all) Emails. Here's a test that we did: When we tested the Fortune 1000 companies with 3 socially verified contacts per company, EmailAddress.ai achieved a staggering 83% validity rate for email contacts, compared to just 48% & 59% from two well-known competitors. This means half of your potential leads might never even see your message if you're using standard tools. What can you do? - Upgrade your email verification process: Use advanced AI tools like EmailAddress.ai to ensure maximum valid inbox identification. - Combine tools for better results: Many successful marketers use a mix of verification services to maximize accuracy and coverage. Use your standard verification provider and run all the accept-alls, risky and unknown through EmailAddress .ai - For once, focus on quantity as equal to quantity: Acurately verified enterprise contacts will always perform since most of your competitors aren't reaching out to them. If you're still wondering why your pipeline feels dry, start by fixing this foundational step. Your next enterprise lead might just be waiting in that 50% you're missing out on! #leadgeneration #sales #emailmarketing #coldemail #emailvalidation