Best Enrichment API

The Best Data Enrichment API for Modern Teams

Turn a single email, domain, or LinkedIn URL into a complete business profile. LinkFinder AI is the best enrichment API for sales, marketing, and growth teams who need accurate company and contact data in real time, with 95% accuracy and sub-100ms responses.

95% Data Accuracy
SOC 2 Compliant
10M+ Companies
Real-time Updates
10M+
Companies Indexed
99.9%
API Uptime
<100ms
Response Time
95%
Data Accuracy
Code examples
One call enriches an email or domain into a full profile — works in any language or automation platform.
curl -X POST 'https://api.linkfinderai.com/enrich' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"email": "[email protected]"}'
Why teams call it the best enrichment API
Accuracy, speed, and coverage — the three things that actually matter when you enrich data at scale.
95%

Accuracy you can trust

Every record is cross-verified against multiple sources and continuously refreshed, so you enrich with current data instead of stale firmographics that silently rot in your CRM.

<100ms

Real-time speed

Sub-100ms median responses mean you can enrich inline — during form fills, signups, or live sales calls — without building a queue or making users wait.

10M+

Deep coverage

From global enterprises to early-stage startups, our index spans 10M+ companies and millions of professionals, so your match rate stays high across every segment.

1

One call, full profile

Submit an email, domain, or LinkedIn URL and get the person, the company, verified contact details, and firmographics back in a single, predictable response.

Any stack, any platform

A clean REST API drops into any language and connects natively to n8n, Make, and Zapier — no plugin, no SDK lock-in, no custom infrastructure.

SOC 2

Compliant by design

SOC 2 controls and GDPR-aligned processing on publicly available data, with opt-out handling built in, so your data enrichment stays defensible.

How LinkFinder AI compares
A quick look at what separates a good enrichment API from the rest.
Capability LinkFinder AI Typical enrichment tools
Real-time enrichment Sub-100ms Often cached / batch only
Email, domain & LinkedIn input All three Usually one input type
Verified email status Included Often extra cost
No-code platform support n8n, Make, Zapier Limited
Free API key to start Yes Sales call required
Transparent pay-as-you-go Yes Annual contracts
Use cases
What teams build with the enrichment API.
🎯
CRM & Lead Enrichment
Automatically fill in company size, industry, and verified contacts the moment a lead enters your CRM. Turn a bare email into a qualified, scoreable record without manual research.
📝
Signup & Form Enrichment
Shorten forms to just an email and enrich the rest in real time. Capture richer profiles, route leads instantly, and personalize onboarding from the first interaction.
🔍
Account Intelligence
Arm reps with employee counts, decision-maker details, and org context before every call. Walk into outreach already knowing who matters and why.
Data Cleansing
Re-enrich and validate aging records on a schedule. Replace stale fields, dedupe contacts, and keep your database accurate without a data ops team.
🤖
Automated Workflows
Trigger enrichment inside n8n, Make, or Zapier and branch on firmographics. Route by company size, score by industry, and notify owners automatically.
📈
Sales & Market Intelligence
Build targeted prospect lists and analyze markets at scale. Filter by size, growth, and industry to surface your ideal customers from raw data.
Integrate in minutes
Works natively with the tools your team already uses.
n8n
HTTP Request node — no plugin needed
Make
HTTP module in any scenario
Zapier
Webhooks by Zapier action
REST API
Any language, any platform
View pre-built workflow templates →
Frequently asked questions
What makes the best enrichment API?
The best enrichment API combines high data accuracy, real-time updates, fast response times, broad coverage, and effortless integration. LinkFinder AI delivers 95% accuracy, sub-100ms responses, 10M+ indexed companies, and REST endpoints that work with any language or no-code platform — so you spend time using data, not chasing it.
What data can the enrichment API return?
From a single email, domain, or LinkedIn URL you get company firmographics (employee count, industry, website, location, founding year), LinkedIn company and personal profiles, verified business emails with status, phone numbers, and key decision-maker details — all in one response.
How accurate is the enrichment data?
We maintain 95% data accuracy through real-time updates and multiple-source verification. Records are continuously validated and refreshed, and each enrichment response includes a match confidence score so you can set your own quality threshold.
How much does it cost to get started?
You can start for free with an API key and pay only for what you use. Standard plans include generous request volumes with burst capacity, and enterprise pricing is available for high-volume teams. No long-term contract is required to begin enriching data.
What's the rate limit for the enrichment API?
Standard plans include 1000 requests per minute with burst capacity up to 2000 requests. Enterprise customers can request higher limits based on their specific volume and use case.
Is the enrichment API compliant with privacy regulations?
Yes. We're SOC 2 compliant and follow GDPR guidelines for all data processing. All data is sourced from publicly available information, and we provide opt-out mechanisms for individuals and companies when required.

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