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Enterprise B2B intelligence. Built for revenue teams.
Six capabilities that replace four separate vendors — unified in one platform, starting free.
Email Finder
Verified work emails sourced through multi-layer validation across 150M+ professional profiles. Credit automatically refunded on any undeliverable result.
Company Intelligence
AI-synthesized account briefings drawn from company websites, job postings, funding announcements, and executive movements — delivered in seconds, not hours.
Buying Signals
Real-time intent signals from hiring activity, leadership changes, funding rounds, and technology adoption — prioritize accounts in active buying cycles.
Tech Stack Filter
Identify companies by their exact technology infrastructure. Filter every Salesforce + HubSpot company globally — the sharpest ICP signal available.
Direct Dials
Verified mobile and direct office numbers. Skip gatekeepers and reach decision-makers on the first attempt — numbers validated within 90 days.
Burg AI
Ask anything about any contact or company. Get structured intelligence from 150M+ profiles, buying signals, and company data — inside your AI workflow.
Complete account intelligence before every conversation
Sendburg's AI reads company websites, job boards, news, and LinkedIn — then gives your rep a clean briefing. No research tab. No wasted 20 minutes before a discovery call.
Identify accounts in active buying cycles — before they contact you
Most outreach fails because reps call too early — or too late. Buying signals tell you the exact moment a company is ready to buy, so you reach out when it actually converts.
Explore buying signalsIndustry-leading coverage. Every price point.
Comprehensive B2B intelligence at a fraction of legacy platform costs.
| Feature | Sendburg You are here | Apollo.io | ZoomInfo | Lusha |
|---|---|---|---|---|
| Free credits / month | 1,000 | 50 | None | 5 |
| AI company summaries | — | — | — | |
| Buying signal alerts | — | |||
| Tech stack filter | — | |||
| MCP / AI connectors | — | — | — | |
| Direct dials | ||||
| Cheapest paid plan | $35/mo | $49/mo | $15K+/yr | $39/mo |
| Annual contract | No | Yes | Yes | No |
| Cancel anytime | — | — |
What sales and marketing teams say
Direct quotes from sales and marketing leaders at companies using Sendburg as their primary intelligence platform.
“We evaluated three platforms before choosing Sendburg. The data quality and AI briefings are genuinely better than what we were paying 10x for.”
“Switched from ZoomInfo. Same data coverage, fraction of the cost. Our SDRs actually use it every day.”
“The tech stack filter found us 400 accounts running our exact competitor. That list alone paid for a year of Sendburg.”
Frequently asked questions
Everything you need to know before getting started
What is Sendburg?
Sendburg is a B2B contact database and intelligence platform with 150M+ verified contacts, AI company briefings, real-time buying signals, and tech stack filters. Teams use Sendburg to identify, research, and reach their ideal buyers faster.
Is Sendburg free?
Yes. Sendburg has a free plan with 1,000 verified contact credits every month — no credit card required. Paid plans start at $35/month for 10,000 credits.
How is Sendburg different from ZoomInfo or Apollo?
Sendburg includes AI account briefings and real-time buying signals that ZoomInfo and Apollo charge extra for or don't offer. Sendburg also has no annual contract, a generous free plan, and stronger non-US coverage. Paid plans start at $35/month vs Apollo's $49/month and ZoomInfo's $10,000+/year.
What are buying signals?
Buying signals are real-time events indicating a company is in a buying cycle — a new funding round (budget to spend), leadership change (new executive brings new tools), hiring activity (growth signal), or technology adoption change. Sendburg surfaces these so you reach companies most likely to buy now.
How accurate is the contact data?
Sendburg uses multi-source verification and automatically refunds credits on any undeliverable email. Our email bounce rate is under 5% — significantly lower than industry averages of 15–30% for unverified databases.
Does Sendburg integrate with my CRM?
Yes. Sendburg integrates natively with Salesforce, HubSpot, Pipedrive, and all major outreach tools including Outreach, Salesloft, Instantly, and Lemlist.