B2B Data for AI Agents and Platforms
Access exclusive real-time company and people data APIs that power your platforms, AI agents, and GTM workflows.
Trusted by the fastest growing companies
4.9 on
G2
Your Reliable Data Partner
B2B data infrastructure you can actually build on — everything you need in one data provider.
API suite
Company data
- Company Enrichment API
GET/v2/companies/enrichLook up a company by domain, name, or social profile to get firmographics, financials, NAICS codes, tech stack, headcount, and social links. - Company Search API
POST/v2/companies/searchFind companies with precise filters or plain-language search. Filter by industry, headcount, revenue, location, technologies, and growth signals. - Similar Companies API
POST/v2/companies/search lookalike.domainsFind lookalikes and competitors from seed domains, ranked by how closely their business model, services, and buyers match.
People data
- People Search API
POST/v2/people/searchFind people by role, seniority, department, location, and work history, or describe who you need in plain English. - Reverse Email Lookup API
POST/v2/people/enrichLook up the person and company behind an email address, with job title, seniority, and work history.
Production-ready B2B data APIs
Low-latency endpoints, flexible search, and publicly benchmarked data for your platforms, AI agents, and GTM workflows.
API
The API layer behind your product
We handle the messy parts of B2B data, so you work with a clean, predictable interface.
- 99.9% uptime with engineer support
Our API delivers consistent performance, with public uptime reporting, engineer support, and code samples.
- High-volume workloads you can track
Up to 300 requests/min, 50 domains per batch, and 10,000 per async job, with credit and rate limit headers.
- SDKs and integrations
Use our official SDKs, call plain REST, connect AI agents through MCP, or plug into n8n, Clay, and HubSpot.
- REST endpoints
- 25+
- Median API response time
- 96.3 ms
- Company enrichment
- Company search
- Lookalikes
- People search
- Reverse email
- Headcount
- Jobs
- Ad intelligence
- Batch enrichment
- Match counts
- Previews
- Autocomplete
- Industries
- Technologies
- Job titles
- Locations
Technology
The technology behind our APIs
Semantic models, vector matching, and machine learning do the hard work, so your team gets relevant results from a single request.
- AI query understanding
Parse natural language into structured filters, with vector search and configurable semantic weighting.
- Multi-vector lookalike matching
Score company similarity using multi-vector embeddings of services, business models, and buyer profiles.
- Preview APIs
See sample results with the same filters and ranking as a full search.
Inside the platform
- Entity resolutionMachine learning merges records across sources into one clean profile
- Data validationAI models verify domains, addresses, and social links
- Signal detectionHiring, headcount shifts, job changes, and ad activity
- Unified queriesCompany filters and lookalike seeds inside People Search
Data
Data you can rely on
Every company and professional profile goes through strict verification before it reaches your product.
- Real-time enrichment on demand
Get structured company data in seconds, with live enrichment for missing or outdated profiles.
- Continuously refreshed
Access fresh company data, with around 8,000 new profiles daily, regular verification, and update timestamps.
- Compliance ready
Build with GDPR and CCPA safeguards, a DPA, a public subprocessor list, and opt-out and deletion support.
Public benchmark resultsBuilt for real-world use cases
Wondering how our customers use CompanyEnrich? From company discovery to data enrichment, our APIs and platform do it all.
Data-driven Platforms
Add B2B Data to Your Product
Build with data on 33M+ companies and 204M+ professional profiles.
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Scale your business, not your data work
Sales calls, raw data dumps, messy formats, and unreliable APIs can turn a simple data need into a full-time job.
Slow sales process
Sales calls, long contracts, and annual minimums that delay your first API call by weeks.
Self-serve from day one
Free signup, instant API keys, transparent pricing, and docs that get you live without talking to sales.
Raw dataset dumps
Massive data files to clean, load, and host across multiple servers, then redo with every new delivery.
Fully managed data infrastructure
900M+ raw records distilled to 33M companies and 204M+ professional profiles, then hosted and refreshed for you.
APIs that break at scale
Slow responses, tight rate limits, and unreliable endpoints that hold back your backfills and your product.
Built to work at scale
Low-latency REST APIs with high rate limits, built for bulk backfills and production traffic.
Messy, inconsistent formats
Free-text fields, mismatched formats, and different schemas that slow down every integration.
Structured data, ready to use
The standard fields you expect, in a consistent JSON schema across company and people data.
Multiple vendors
Enrichment from one tool, people data from another, and lookalikes from a third, each with its own billing and quirks.
A complete API suite
Get company enrichment, search, lookalikes, people search, and reverse email with one key and one credit pool.
Stale, junk records
Credits wasted on parked domains, dead websites, and duplicate entries that pollute your pipeline.
Verified, deduplicated data
Data from the public web, maps, social media, and government records, deduplicated and validated before it reaches your queries.
Agents stuck on web search
Slow tool calls, wasted tokens, and no real filters when your agents crawl the web for answers.
Ready for agentic workflows
Semantic search, AI-powered lookalikes, and MCP server endpoints built to plug into your agents and workflows.
Trusted by the growth experts
Real feedback from teams building on our data.
"CompanyEnrich fills in missing company data on 40 to 60% of our CRM records."
Evan Dunn
Head of Marketing @ TitanX Read the story
"We are able to find companies no other data provider is able to find. CompanyEnrich data is top-notch."
Alexander Tsvetkov
Founder @ Cold Labs
"Lookalike algorithm is very precise."
Indrek Liivlaid
Co-founder @ Netspore
"Semantic search saves a ton of time."
Alex Baldovin
GTM Expert
"Unlike other tools in the space, CompanyEnrich stands out by focusing on one thing and doing it exceptionally well."
DeAndre Harakas
GTM @ Glassboard
Tell us what you're building
Every integration is unique. Whether you're enriching CRM data, powering AI agents, or automating lead generation — we'll show you exactly how our API fits.
Technical questions?
Our engineers will join the call.
Pricing concerns?
We'll design a plan that scales with you.
Integration help?
Walk away with working code samples.
Amirali, Co-Founder
Zeynep, Partnership Manager
Ekin, Co-Founder & CTO
CompanyEnrichGet answers, not a sales pitch
Book a demo