The Most Accurate Contact Enrichment API

Automatically enrich any contact with verified emails, phone numbers, LinkedIn profiles, and company data. RESTful API with 95% accuracy and real-time enrichment for sales and marketing teams.

95%+

Data Accuracy

25,000

API Calls/Month

<200ms

Response Time

RESTful

API Architecture

Complete Contact Enrichment API

Everything you need to enrich contacts automatically at scale

Real-Time Enrichment

Enrich contacts instantly as they enter your system. Get complete contact profiles in under 200ms for real-time sales and marketing workflows.

Email Discovery

Find verified professional email addresses for any contact with 60%+ discovery rate. All emails are validated for deliverability before returning.

LinkedIn Profile Data

Enrich contacts with complete LinkedIn profile information including job title, company, seniority, and professional background.

Company Intelligence

Automatically add company data to every contact: industry, size, website, phone number, and LinkedIn company page.

Bulk Enrichment

Process up to 500 contacts per batch API call. Efficient bulk enrichment for large contact databases and CRM migrations.

Easy Integration

Simple RESTful API with complete documentation and code examples in Python, JavaScript, PHP, and more. Integrate in minutes.

Simple API Integration

Enrich a contact in seconds with a single API call

# Enrich a contact by email or name + company
curl -X POST https://api.linkfinderai.com/v1/contact/enrich \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "[email protected]"
  }'

# Response
{
  "name": "John Smith",
  "email": "[email protected]",
  "job_title": "VP of Sales",
  "company": "Acme Corp",
  "linkedin_url": "https://linkedin.com/in/johnsmith",
  "company_website": "https://acmecorp.com",
  "phone": "+1-555-000-0000"
}

What Data Gets Enriched?

Comprehensive contact intelligence from minimal input

Contact Information

  • Verified professional email
  • Direct phone number
  • LinkedIn profile URL
  • Location & timezone

Professional Data

  • Current job title
  • Seniority level
  • Department
  • Professional summary

Company Data

  • Company name & website
  • Industry & size
  • LinkedIn company page
  • Company phone number

LinkedIn Intelligence

  • Full LinkedIn profile
  • Work history
  • Skills & endorsements
  • Education background

API Use Cases

Build powerful contact enrichment workflows with our API

CRM Auto-Enrichment

Automatically enrich new contacts in HubSpot, Salesforce, or any CRM with complete profile data on entry.

Inbound Form Enhancement

Capture a single email from a form and instantly fill the rest — name, title, company, phone — automatically.

Outbound Sales Prospecting

Enrich prospect lists at scale before outreach to personalize messaging and improve reply rates.

Lead Scoring

Use enriched seniority and company data to score inbound leads automatically and route them to the right rep.

Data Cleaning

Refresh and update stale contact records in your database with the latest verified information.

ABM Personalization

Enrich target accounts with contact-level data to power highly personalized account-based marketing campaigns.

How It Works

Integrate in minutes, enrich contacts at scale

1

Send Contact Input

Pass an email address, name + company, or LinkedIn URL to the API endpoint.

2

Real-Time Lookup

Our API queries verified data sources and returns enriched contact data in under 200ms.

3

Receive Full Profile

Get a complete JSON response with email, phone, LinkedIn, job title, and company data.

4

Update Your System

Automatically push enriched data into your CRM, database, or sales workflow.

Simple, Transparent Pricing

Full contact enrichment API access. Scale as you grow.

Starter
$29
per month
5,000 API calls/month
  • Contact enrichment endpoint
  • Email & phone discovery
  • LinkedIn data
  • API documentation
Scale
$149
per month
100,000 API calls/month
  • All Pro features
  • Priority support
  • SLA guarantee
  • Custom integrations

Start Enriching Contacts Today

Get instant API access and start enriching contacts with complete, verified data. No credit card required.

Frequently Asked Questions

A contact enrichment API automatically adds missing data to contact records. Given a minimal input like an email address, our API returns a full profile including name, job title, company, LinkedIn URL, phone number, and more.
Our contact enrichment API accepts email addresses, name + company combinations, and LinkedIn profile URLs as input. It returns a complete enriched contact profile regardless of which input you provide.
We maintain 95%+ accuracy across all contact data points. Emails are validated for deliverability, LinkedIn data is sourced in real-time, and company data is verified against multiple authoritative sources.
Yes. Our batch endpoint allows you to enrich up to 500 contacts in a single API call, making it efficient for large-scale CRM enrichment or database updates.
Real-time enrichment returns results in under 200ms on average. Our infrastructure is optimized for low-latency responses, making it suitable for live form enrichment and CRM workflows.
Our RESTful API integrates with any CRM that supports webhooks or API calls — including HubSpot, Salesforce, Pipedrive, Close, and more. We provide code examples and integration guides for all major platforms.