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People & Company Data APIfor AI agents & B2B SaaS

750M+ profiles, always fresh. One REST API to discover and enrich people and companies — pass a LinkedIn URL, a name, or a domain and get back a fresh, structured profile, live in hours, not weeks. The session is live — no signup, no key.

Get an API keyNo credit card · 100 free credits
captaindata — interactive consolelive · sample responses from real endpointsready
target
op
$ curl GET /v1/people/enrich
?li_profile_url=https://linkedin.com/in/
examples
Pick an example above, or edit the argument and press r
to enrich this person.
LIVE7 endpointsuptime 99%
100+ AI-first product teamsbuild on the Captain Data API
you?
Our customers import CSV files with LinkedIn URLs and need fresh people and company data — titles, employers, firmographics — before the rest of their stack runs. Captain Data fills that gap perfectly, giving us reliable profile data that powers millions of API calls per month.
Etienne D.Product Specialist · Lemlist
§ 01 · ENDPOINTS — one simple API, seven calls
↑ console   ·   ↓ stats

Everything you need to understand people and companies, with real-time data and instant activation. Base URL https://api.captaindata.com/v1, authenticated with an X-API-KEY header.

methodpathdescriptioncredits
GET/v1/people/enrichComprehensive profile information from a LinkedIn profile URL.1GET/v1/people/searchSearch and discover people based on a search query.1 / req + 1 / resultGET/v1/people/findFind people by full name and optional company name.2GET/v1/companies/enrichComprehensive company information from a LinkedIn URL.1GET/v1/companies/searchSearch and discover companies based on a search query.1 / req + 1 / resultGET/v1/companies/findFind a company by name or domain.2GET/v1/companies/{uid}/employeesRetrieve employees for a specific company.1 / req + 1 / result

1 req = 1 page

GET

People Enrichment

Comprehensive profile information from a LinkedIn profile URL.

/v1/people/enrich
1 creditsTry it →
GET

People Search

Search and discover people based on a search query.

/v1/people/search
1 / req + 1 / result creditsTry it →
GET

Find People

Find people by full name and optional company name.

/v1/people/find
2 creditsTry it →
GET

Company Enrichment

Comprehensive company information from a LinkedIn URL.

/v1/companies/enrich
1 creditsTry it →
GET

Company Search

Search and discover companies based on a search query.

/v1/companies/search
1 / req + 1 / result creditsTry it →
GET

Find Company

Find a company by name or domain.

/v1/companies/find
2 creditsTry it →
GET

Find Employees

Retrieve employees for a specific company.

/v1/companies/{uid}/employees
1 / req + 1 / result creditsTry it →
§ 02 · STATS — trusted by teams worldwide
↑ endpoints   ·   ↓ quickstart

750M+ profiles, always fresh. Data is continuously refreshed so your product never ships a stale record.

People profiles
750M+
discoverable & enrichable across 200+ countries
Company records
54M+
firmographics, domains, employee counts, headcount
API requests / month
100M+
served to product teams, GTM platforms & AI agents
Uptime SLA
99%
enterprise SLA · always-on availability
We enrich over 2 million profiles per month directly into our SaaS with Captain Data — fast, reliable, and fully automated.
ENElio Narciso
CEO & Co-FounderScalestack
Captain Data has been a game changer in our data operations, enabling us to enrich millions of profiles per month and extract company employees at lightning speed with complete reliability.
BTBernat Torres
Lead Engineer

Ready to start building?

Get your API key in seconds and make your first call in under 30 seconds. No credit card required — free trial with 100 credits.

Get started freeView documentation
01Sign up — your API key in 30 seconds.No credit card. Free trial with 100 credits to start.
02Set the X-API-KEY header on any request.Base URL https://api.captaindata.com/v1
03Call /people/enrich — one request, fresh profile.200 OK. You're shipping today.
quick start · zsh80×24
# 1. enrich a person from a LinkedIn URL
$ curl -X GET \
  "https://api.captaindata.com/v1/people/enrich\
   ?li_profile_url=https://linkedin.com/in/…" \
  -H "X-API-KEY: <YOUR_API_KEY>"

# → 200 OK · fresh profile
{
  "uid": "per_a4f18c02de",
  "full_name": "Satya Nadella",
  "headline":  "Chairman & CEO at Microsoft",
  "job_title": "Chairman & CEO",
  "company_name": "Microsoft",
  "li_profile_url": "linkedin.com/in/satyanadella"
}

$ _