Getting Started
CompanyEnrich is a real-time B2B data API for enriching companies, finding people, discovering lookalike accounts, resolving emails, and powering AI agents with fresh company intelligence.
CompanyEnrich is a B2B data API that returns verified company and people information through a single REST interface. You can enrich a company by domain or social profile, search 30M+ companies with 15+ filters, find AI-powered lookalikes, resolve any work email to a company and person, and connect AI agents to live data through our MCP server..
The full API suite
Company Enrichment API. Pull a full firmographic profile from any company domain, name, or social URL. Returns industry, size, revenue range, location, technologies, employee count, and 15+ additional fields.
Company Search API. Query 30M+ companies by 15+ criteria including industry, headcount, location, founding year, and tech stack. Returns paginated results with full enrichment included.
Similar Companies API. Submit one or more seed domains and get AI-ranked lookalike companies that match the target profile. Built for ICP expansion and TAM discovery.
People Search API. Search 170M+ verified people profiles by name, title, company, seniority, department, experience, location.
Workforce API. Get current employee count plus historical headcount trends for any company. Useful for growth signals, account scoring, and detecting hiring slowdowns or expansions.
Reverse Email Lookup API. Resolve any work email into a matched person and company record.
Bulk Enrichment API. Submit up to 10,000 domains in a single async job. Returns a job ID immediately and fires a webhook on completion. One credit per successfully enriched domain.
MCP Server. Connect Claude, Cursor, or any MCP-compatible AI client directly to CompanyEnrich data. See MCP Server setup.
Full schema and parameters for every endpoint live under API Reference.
Use cases
CompanyEnrich gives developers and GTM teams one API suite for B2B data workflows.
| Use case | Recommended API |
|---|---|
| Enrich a company from a domain, name, or social profile | Company Enrichment API |
| Search companies by industry, location, size, revenue, tech stack, keywords, or semantic query | Company Search API |
| Find lookalike companies based on your best customers or competitors | Similar Companies API |
| Resolve an email address to a person and company profile | Reverse Email Lookup API |
| Track employee counts, department growth, and workforce trends | Company Headcount API |
| Give AI assistants access to company and people intelligence | CompanyEnrich MCP Server |
Some of the most common workflows we see:
CRM enrichment. Auto-fill missing company fields when a new lead lands in HubSpot or Salesforce. One call to Reverse Email Lookup gives you the full company record.
Lookalike prospecting. Drop in 50 of your best customers, get back the next 5,000 companies that look like them. Sales and marketing teams use this to expand TAM without buying a separate intent tool.
AI agents. Point Claude or any MCP-compatible agent at our server and it can query live company data inside any workflow. No glue code.
Hiring intel. Use Company Headcount to spot companies that just expanded engineering by 20% last quarter, then pair it with Company Enrichment to dig deeper before you reach out.
Form enrichment. When a prospect submits an email on your pricing page, hit Reverse Email Lookup and route them based on company size or industry before they touch your CRM.
Need Help?
If you have any questions or run into issues, our support team is here to help. Reach out to us via [email protected]
Updated 2 days ago