Lead Enrichment APIs for AI Agents
Stop working with bad data. These enrichment APIs let your agent pull verified emails, company info, and intent signals in real time — so every lead is worth reaching.
| Tool | API | Auth | SDKs | Webhooks | Free Tier | MCP |
|---|---|---|---|---|---|---|
| Linkup Web search API for AI apps with real-time grounding and source citations. | REST | Bearer Token | — | |||
| Icypeas Email finder and verifier with API for bulk enrichment workflows. | REST | API Key | — | |||
| BatchService Real estate data APIs for property search and portfolio monitoring. | REST | API Key | — | |||
| BetterContact Waterfall contact enrichment API with 15+ data sources. | REST | API Key | — | |||
| Clearbit (Breeze) Real-time company and person enrichment API by HubSpot. | REST | API KeyBearer Token | Node.jsPython | |||
| Clodura.AI All-in-one sales intelligence with form enrichment and cleanup APIs. | REST | API Key | — | |||
| Crunchbase The definitive B2B database for company and investment research. | REST | API Key | PythonNode.js | |||
| FinalScout Extract professional email addresses from LinkedIn using AI. | REST | API Key | — | |||
| FullEnrich Waterfall enrichment API for emails and phone numbers. | REST | API Key | — | |||
| GojiberryAI AI-powered lead generation with intent signals and API access. | REST | API Key | — | |||
| Jina Reader Convert any URL to LLM-friendly Markdown for AI processing. | REST | API KeyNone | — | |||
| LeadFuze B2B lead generation and data enrichment API with intent signals. | REST | API Key | — | |||
| LeadMine Simple B2B lead generation and email finder tool. | REST | API Key | — | |||
| Mattermark Data-driven platform for discovering and analyzing high-growth companies. | REST | API Key | PythonRuby | |||
| People Data Labs B2B data API with 3 billion person and company records. | REST | API Key | PythonNode.jsGo+1 | |||
| Persana AI-powered sales prospecting and lead enrichment platform. | REST | API Key | — | |||
| Prospeo High-accuracy email finder and verification API for outreach. | REST | API Key | — | |||
| Proxycurl API for scraping and enriching LinkedIn profile data. | REST | API Key | Python | |||
| BuzzBoard AI-driven sales intelligence and prospecting for SMB sales. | REST | API Key | — | |||
| Clodura AI-driven sales prospecting and lead enrichment platform. | REST | API Key | — | |||
| Draup AI-powered sales intelligence and talent management platform. | REST | API Key | — | |||
| ExactBuyer AI-driven B2B prospecting and data enrichment platform. | REST | API Key | — | |||
| Swordfish Phone numbers and emails from social profiles. | REST | API Key | Node.jsPython | |||
| Datagma B2B data enrichment with 50+ attributes. | REST | API Key | PythonNode.js | |||
| Live Data Job change data for 70M+ professionals. | REST | OAuth2 | PythonNode.js | |||
| PredictLeads Company intelligence data API for funding, jobs, and tech. | REST | API Key | PythonNode.js | |||
| Enrich.so People and company data enrichment API. | REST | API Key | PythonNode.js | |||
| ContactOut Phone numbers and emails from LinkedIn profiles. | REST | API Key | PythonNode.js | |||
| FullContact Identity resolution and data enrichment platform for customer intelligence. | REST | API Key | Node.jsPythonJava | |||
| LeadMagic AI-powered data enrichment and contact validation platform. | REST | API Key | — | |||
| SalesIntel B2B contact data and intelligence platform for revenue teams. | REST | API Key | — | |||
| Telescope AI-powered B2B prospecting and lead discovery tool. | REST | API Key | — | |||
| Acuity AI-powered sales development and prospecting services. | REST | API Key | — | |||
| Explorium External data platform for automated lead enrichment and scoring. | REST | API Key | — | |||
| Foureyes Sales intelligence and lead tracking for automotive dealerships. | REST | API Key | — | |||
| Humantic AI Personality AI for sales to understand buyer behavior and build rapport. | REST | API Key | PythonNode.js | |||
| Lead411 Unlimited sales leads database fueled by intent data and direct dials. | REST | API Key | — | |||
| LeadIQ The smart B2B prospecting platform for capturing and enriching leads. | REST | API Key | — | MCP | ||
| Octolane AI-powered prospecting and CRM data enrichment for modern sales teams. | REST | API Key | — | |||
| Surfe Connect your CRM to LinkedIn and enrich prospect data in one click. | REST | API Key | — | |||
| Wiza Real-time B2B contact data extraction from LinkedIn Sales Navigator. | REST | API Key | — | |||
| ZoomInfo The comprehensive B2B database and sales intelligence platform. | REST | API Key | — | MCP | ||
| Dropcontact AI-powered email enrichment and verification API for B2B data. | REST | API Key | PythonNode.js | MCP | ||
| A-Leads Up-to-date B2B lead generation with a developer-first API. | REST | API Key | — | |||
| Adapt Lead intelligence platform with a massive B2B contact database and API. | REST | API Key | — | |||
| Apollo.io The ultimate sales intelligence and engagement platform for AI-native teams. | REST | API Key | — | MCP | ||
| Argyle The leading employment data platform for income and employment verification. | REST | API KeyBearer Token | Node.jsPythonGo+2 | |||
| Clay The universal data enrichment and outbound orchestration platform. | REST | API Key | — | MCP | ||
| Cognism Global B2B sales intelligence with premium mobile data. | REST | API Key | — | |||
| Crawl4AI Open-source LLM-friendly web crawler and scraper. | Python Library | None | Python | |||
| Exa.ai AI-native search engine for finding anything on the web. | REST | API Key | — | MCP | ||
| Find Me Sales Lead generation and outreach with built-in AI summaries and webhook support. | REST | API Key | — | |||
| Firecrawl Turn any website into LLM-ready Markdown or structured JSON. | REST | Bearer Token | — | MCP | ||
| Hunter.io The standard for finding and verifying professional email addresses. | REST | API Key | — | |||
| Kuration Enriched prospect databases and data-as-a-service. | GraphQL | API Key | — | |||
| LinkedIn Sales Navigator The premier platform for B2B relationship building and prospecting. | REST | OAuth2 | — | MCP | ||
| Lusha The fastest way to find verified B2B mobile numbers and emails. | REST | API Key | — | MCP | ||
| Orbitly Enrich your contact lists with email and social data. | REST | API Key | — | |||
| Outscraper Extract high-quality business data from Google Maps and beyond. | REST | API Key | PythonNode.jsPHP | |||
| PhantomBuster Automate lead generation and data extraction across any web platform. | REST | API Key | Node.js | |||
| Snov.io Email finder, verifier, and cold outreach automation platform. | REST | API KeyBearer Token | — | |||
| Tavily AI Search engine optimized for AI agents and RAG applications. | REST | API Key | — | MCP | ||
| Saber AI-powered signal intelligence API for GTM teams. | REST | Bearer Token | — | MCP |