LeadBrew API

Access millions of B2B leads programmatically.
Build integrations, automate outreach, and power your sales tools.

# Search for leads
curl -X GET "https://leadbrew.co/api/v1/leads" \
  -H "X-API-Key: lb_xxx" \
  -H "X-API-Secret: xxx" \
  -G -d "position=CEO" \
     -d "industry=Technology" \
     -d "limit=25"

# Response
{
  "success": true,
  "data": [
    {
      "full_name": "John Smith",
      "position": "CEO",
      "company": {
        "name": "Acme Corp",
        "industry": "Technology"
      }
    }
  ]
}
              

Why Use the LeadBrew API?

Millions of Leads

Access our entire database of verified B2B contacts with emails and phone numbers.

Fast & Simple

RESTful JSON API. Get up and running in minutes with just two headers for auth.

Free Tier

100 leads per day included free. Perfect for testing and small-scale projects.

Powerful Filters

Search by name, company, industry, job title, country, and company size.

AI Integration

MCP server for Claude Code, Cursor, and other AI coding assistants.

Company Data

Get company details including employee count, industry, and team members.

API Endpoints

Simple RESTful endpoints for all your lead data needs

Method	Endpoint	Description
GET	`/api/v1/leads`	Search leads by name, company, industry, position, country
GET	`/api/v1/leads/{id}`	Get lead details including emails and phone numbers
GET	`/api/v1/companies`	Search companies by name, industry, size
GET	`/api/v1/companies/{id}`	Get company details with employee list
GET	`/api/v1/usage`	Check your API quota and usage statistics

Works with AI Coding Assistants

Our MCP (Model Context Protocol) server lets you access LeadBrew directly from your favorite AI coding assistant. Just ask in natural language:

"Find CTOs at fintech companies in San Francisco"

"Get contact info for the VP of Engineering at Stripe"

"Search for marketing directors at SaaS companies"

Get the MCP Server

Supported Assistants:

Claude Code

Cursor

Windsurf

Cline / Roo Code

Quick Setup:

git clone https://github.com/FlatNineOrg/leadbrew-mcp.git
cd leadbrew-mcp
npm install && npm run build
                    

Code Examples

Get started in any language

Python

import requests

headers = {
    "X-API-Key": "lb_your_key",
    "X-API-Secret": "your_secret"
}

response = requests.get(
    "https://leadbrew.co/api/v1/leads",
    headers=headers,
    params={"position": "CEO", "limit": 10}
)

leads = response.json()["data"]
for lead in leads:
    print(lead["full_name"])
                

JavaScript

const response = await fetch(
  "https://leadbrew.co/api/v1/leads?position=CEO",
  {
    headers: {
      "X-API-Key": "lb_your_key",
      "X-API-Secret": "your_secret"
    }
  }
);

const { data } = await response.json();
data.forEach(lead => {
  console.log(lead.full_name);
});
                

Rate Limits

Daily Lead Quota	100 leads
Max Leads Per Request	25 leads
Company Searches	Unlimited
Quota Reset	Midnight UTC

Need Higher Limits? Contact Us

Ready to Get Started?

Generate your API key and start building in minutes.

Get Your Free API Key View on GitHub