Company profile
LeadMagic
Live profile
Verified emails, mobile numbers, and company data via REST API, CLI, and MCP. The B2B data layer behind Clay, Apollo, and your AI agents.
11-50
Boston, Massachusetts
Public pricing page
AI Classification
LeadMagic is an API-first B2B contact data enrichment platform offering verified emails, mobile numbers, and firmographic data via REST API, CLI, and MCP integrations. Founded by GTM operators and serving 3,000+ sales and GTM engineering teams, it competes directly with Apollo and ZoomInfo on accuracy (97%) while pricing credits at a fraction of incumbent cost.
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Competitors
LeadMagic is one of 2,673 B2B companies in the Kustiq directory.
LeadMagic sits among 41 data services companies in our Data & AI directory.
Similar profiles: CellBlock FCS, Complianceexperts, Resend · Email for developers, and Cloud-based data analytics exploration for all.
Both sit in the 11-50 headcount band. See LeadMagic vs CellBlock FCS side by side.
Both sit in the 11-50 headcount band. See LeadMagic vs Complianceexperts side by side.
Both sit in the 11-50 headcount band. See LeadMagic vs Resend · Email for developers side by side.
How LeadMagic compares with other Data Services companies
LeadMagic is one of 41 Data Services companies profiled in the Kustiq DataAI directory, which holds 242 DataAI companies in total. Every number below is computed from those profiles.
LeadMagic sits in the 11-50 headcount band. 30% of the 27 segment peers with a known team size are smaller. 41% of those peers share the same band.
The most common tech detections across the 13 peers with a visible stack are Google Analytics (46%), Google Fonts (38%), and Cloudflare (38%). LeadMagic lists none of them.
Among the 17 segment companies with disclosed funding, Growth is the most common stage (53%).
The median founding year across 12 peers with a known founding date is 2014.
New York is the most common HQ city in this segment, home to 22% of the 9 peers with a known location.
Benchmarks are recomputed from live directory data, so they move as profiles refresh. Counts cover Kustiq-profiled companies, not the whole market.
How this profile was built
- Live web rendering via Browserless headless Chrome, not a stale cached scrape.
- Search intelligence via Serper API across the company site, LinkedIn, press, and GitHub.
- Claude only picks the buckets. It never decides facts.
- 12-factor churn engine. Deterministic score, zero LLM at scoring time.
- SMTP RCPT TO handshake on every contact, at delivery time on full profiles (paid plan).
This profile was built from 4 rendered pages of leadmagic.io and search coverage across the live web on .
Read the full methodology in our LLM-readable reference or compare against the deterministic-vs-AI framework.
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