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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.

ToolAPIAuthSDKsWebhooksFree TierMCP
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