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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.

Lusha API Signals Workflow Diagram

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
Used for:
enrichment, routing, scoring, personalization

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
Used for:
enrichment, routing, scoring, personalization

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
Used for:
enrichment, routing, scoring, personalization

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
Used for:
expansion plays, pipeline acceleration, prioritization

Buying readiness indicators

Signals indicating company change or evaluation.

  • Hiring acceleration
  • Funding and investment activity
  • Technology adoption and stack changes
Used for:
prioritization, scoring, outbound timing

Lookalike insights

Discovery based on similarity to what already converts.

  • Companies similar to your best customers
  • Contacts similar to high-performing personas
Used for:
account expansion, TAM discovery, audience growth

What teams build with the Lusha API

Teams use Lusha's data to update records, detect changes, and trigger actions across their GTM systems.

01

Trigger on career movement

Update CRM records when contacts change roles.

Signal: Job change
Enrichment: new role and company
Action: notify sales, re-score account
02

Real-time lead enrichment

Enrich inbound leads as soon as they enter your CRM.

Input: name + company or LinkedIn URL
Output: verified email, phone, role, firmographics
Action: route, score, personalize outreach
03

Weekly outbound list refresh

Keep prospect lists current without rebuilding them.

Criteria: role, seniority, industry, location
Refresh: automatic
Action: push to outbound tools
04

Expansion via lookalikes

Find new accounts similar to your best customers.

Seed: existing customers
Output: lookalike companies
Action: expand ABM coverage

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.

EnrichmentProspectingSignalsLookalike
What it doesFill in missing contact and company dataFind new contacts and companies that match your ICPTrack real-world changes that affect timingDiscover accounts and buyers similar to what already converts
What you getContacts: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 casesForm enrichment, CRM completion, data hygieneProspect list building, ICP targeting, territory planningTrigger-based outreach, re-qualification, account routingMarket expansion, lookalike prospecting, TAM growth
Best forSales and Marketing teams fixing incomplete recordsSDRs, BDRs, RevOpsAccount Executives, CSMsGrowth and Sales teams
Enrichment
What it does
Fill in missing contact and company data
Use cases
Form enrichment, CRM completion, data hygiene
Best for
Sales and Marketing teams fixing incomplete records
Prospecting
What it does
Find new contacts and companies that match your ICP
What you get
Contacts:
Filtered contacts by role, seniority, location
Companies:
Filtered companies by industry, size, revenue, tech
Use cases
Prospect list building, ICP targeting, territory planning
Best for
SDRs, BDRs, RevOps
Signals
What it does
Track real-world changes that affect timing
Use cases
Trigger-based outreach, re-qualification, account routing
Best for
Account Executives, CSMs
Lookalike
What it does
Discover accounts and buyers similar to what already converts
What you get
Contacts:
similar buyers
Companies:
ICP-matched accounts
Use cases
Market expansion, lookalike prospecting, TAM growth
Best for
Growth and Sales teams

Generate an API key

Secure API access for authenticating requests and using Lusha data in server-side workflows and automations.

Generate a key in seconds
Use it for testing or production
Rotate or revoke keys anytime
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Workflow connectors

Run Lusha APIs through supported automation tools.