LUSHA API
Unified B2B datafor prospecting,enrichment
& signals
Enrich contacts, detect real-world changes, and route leads automatically using production-ready APIs built for CRMs, workflows, and internal systems.

What data you get with the Lusha API
Lusha APIs expose unified, real-time B2B data across contacts, companies, and signals, designed to power enrichment, prospecting, and automated GTM workflows.
Buyer & account intelligence
Contact and company data for accurate targeting and enrichment.
- Verified emails and phone numbers
- Roles, seniority, and department information
- Company size, industry, revenue, and HQ location
- Technology stack and tool usage
Professional change signals for contacts
Updates that reflect changes in a person's role or employment.
- Job changes and role transitions
- Company moves
- Seniority and leadership changes
Company momentum & market activity
Updates that reflect changes in a company's direction or scale.
- Product launches and partnerships
- Acquisitions and expansions
- Funding events and IPOs
Hiring & organizational signals
Updates that show how companies are growing or restructuring.
- Hiring activity and headcount growth
- Surge in hiring by department
- Surge in hiring by location
Buying readiness indicators
Signals indicating company change or evaluation.
- Hiring acceleration
- Funding and investment activity
- Technology adoption and stack changes
Lookalike insights
Discovery based on similarity to what already converts.
- Companies similar to your best customers
- Contacts similar to high-performing personas
What teams build with the Lusha API
Teams use Lusha's data to update records, detect changes, and trigger actions across their GTM systems.
Trigger on career movement
Update CRM records when contacts change roles.
Real-time lead enrichment
Enrich inbound leads as soon as they enter your CRM.
Weekly outbound list refresh
Keep prospect lists current without rebuilding them.
Expansion via lookalikes
Find new accounts similar to your best customers.
APIs behind the data
Each data type is exposed through a dedicated API.
Use them on their own or combine them in the same workflow.
| Enrichment | Prospecting | Signals | Lookalike | |
|---|---|---|---|---|
| What it does | Fill in missing contact and company data | Find new contacts and companies that match your ICP | Track real-world changes that affect timing | Discover accounts and buyers similar to what already converts |
| What you get | Contacts: | Contacts: Filtered contacts by role, seniority, location | Contacts: | Contacts: similar buyers |
| Companies: | Companies: Filtered companies by industry, size, revenue, tech | Companies: | Companies: ICP-matched accounts | |
| Use cases | Form enrichment, CRM completion, data hygiene | Prospect list building, ICP targeting, territory planning | Trigger-based outreach, re-qualification, account routing | Market expansion, lookalike prospecting, TAM growth |
| Best for | Sales and Marketing teams fixing incomplete records | SDRs, BDRs, RevOps | Account Executives, CSMs | Growth and Sales teams |
Generate an API key
Secure API access for authenticating requests and using Lusha data in server-side workflows and automations.