RangeLead API for Developers
Access US business intelligence data through our free REST API. Get health scores, industry rankings, market gaps, and digital presence metrics for 30M+ businesses - no API key required.
No API Key Needed
Start making requests immediately. No signup, no tokens, no hassle.
100 Requests/Day
Generous free tier for prototyping, research, and small-scale projects.
JSON Responses
Clean, well-structured JSON. Works with any language or framework.
30M+ Businesses
Comprehensive US business data across 500+ industry categories.
Quick Start
Make your first API call in seconds. All endpoints are publicly accessible at https://api.rangelead.com
Pick an endpoint
Choose from 5 report endpoints covering business health, market gaps, and industry trends.
Make a GET request
All endpoints accept GET requests. Pass parameters as query strings. No headers required.
Parse the JSON
Responses are JSON objects with clear field names. Integrate into your app or analysis pipeline.
curl "https://api.rangelead.com/v1/reports/business-health-score?zip=90210"Base URL
https://api.rangelead.comAll endpoints are relative to this base URL. HTTPS is required. CORS is enabled for browser-based applications.
Rate Limits
Rate limits reset at midnight UTC. If you hit the limit, the API returns HTTP 429. Need more? Reach out via our contact page.
Response Format
application/jsonUTF-8{ "error": "message" }API Endpoints
Five public endpoints for US business intelligence data. Click an endpoint to jump to its documentation.
/v1/reports/no-website-indexNo Website Index
Returns an index of businesses without websites, broken down by state, industry, and city. Useful for identifying digital gaps and opportunities in the US market.
curl "https://api.rangelead.com/v1/reports/no-website-index"/v1/reports/business-desert-mapBusiness Desert Map
Identifies ZIP codes with unusually low business density for a given state and industry category. Returns density scores and "desert" classifications for each ZIP code.
Parameters
statestringrequiredcategorystringrequiredcurl "https://api.rangelead.com/v1/reports/business-desert-map?state=FL&category=plumbers"/v1/reports/business-health-scoreBusiness Health Score
Calculates a health score (grade A through F) for businesses in a specific ZIP code. Evaluates average ratings, review counts, digital presence, and more, with state and national comparisons.
Parameters
zipstringrequiredcategorystringoptionalcurl "https://api.rangelead.com/v1/reports/business-health-score?zip=90210"
# With category filter:
curl "https://api.rangelead.com/v1/reports/business-health-score?zip=90210&category=dentists"/v1/reports/industry-rankingsIndustry Rankings
Ranks industries by key metrics such as average rating, review count, website adoption rate, and an opportunity score. Optionally filter by state.
Parameters
statestringoptionalsortstringoptionalorderstringoptionalcurl "https://api.rangelead.com/v1/reports/industry-rankings"
# Filter by state and sort by opportunity:
curl "https://api.rangelead.com/v1/reports/industry-rankings?state=CA&sort=opportunity_score&order=desc"/v1/reports/state-rankingsState Rankings
Ranks all 50 US states by business metrics including average rating, review volume, website adoption, and opportunity score. Optionally filter by industry category.
Parameters
categorystringoptionalsortstringoptionalorderstringoptionalcurl "https://api.rangelead.com/v1/reports/state-rankings"
# Filter by category:
curl "https://api.rangelead.com/v1/reports/state-rankings?category=restaurants&sort=avg_rating&order=desc"What You Can Build
Real applications developers have built with RangeLead data.
Market Research Tools
Build dashboards that identify underserved markets and emerging business opportunities across the US.
Location Intelligence
Map business deserts and density patterns to help companies decide where to expand.
Competitive Analysis
Compare industries across states by rating, digital presence, and market saturation.
Business Scoring Apps
Grade local business ecosystems by ZIP code and display health metrics for any area.
Digital Gap Finders
Identify businesses without websites or low online presence to offer web services.
Industry Reports
Generate automated industry reports with rankings, ratings, and opportunity scores.
Powered by RangeLead Badge
Using our data? Add this badge to your project. It helps other developers discover the API and supports the free tier.
HTML
Paste this into your website or app.
<a href="https://rangelead.com/developers" target="_blank" rel="noopener noreferrer" style="display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:#0f172a;color:#fff;border-radius:6px;font-family:system-ui,sans-serif;font-size:13px;font-weight:500;text-decoration:none;border:1px solid #334155;">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 12h-4l-3 9L9 3l-3 9H2"/></svg>
Powered by RangeLead
</a>Markdown
For GitHub READMEs and documentation.
[](https://rangelead.com/developers)Need More Data?
The free API covers aggregate reports and market intelligence. For individual business records with contact details, ratings, and complete profiles, explore our lead packages.