ISP Data
via Simple API
Query verified ISP availability for any location in the United States. H3 geospatial indexing delivers sub-50ms responses across 115+ million US broadband serviceable locations covering all 50 states, DC, and 5 territories.
One API Call. Instant Results.
Pass latitude and longitude coordinates, get back a list of every broadband provider serving that location — verified against our proprietary database. No scraping, no stale data, no guesswork.
curl -X GET "https://api.ispdata.io/v1/broadband/lookup?lat=40.7128&lng=-74.0060" \
-H "X-API-Key: isp_your_api_key_here"
# Response
{
"status": "success",
"data": {
"query": { "lat": 40.7128, "lng": -74.006, "h3_cell": "882a100d25fffff" },
"provider_count": 12,
"providers": [
{ "name": "Verizon", "coverage_cells": 7 },
{ "name": "Spectrum", "coverage_cells": 5 },
{ "name": "T-Mobile", "coverage_cells": 7 },
...
]
},
"meta": {
"response_time_ms": 23,
"data_source": "ISPData.io Verified Database"
}
}Built for Your Use Case
From real estate platforms to government analytics, our API powers broadband intelligence across industries.
Real Estate Platforms
Enrich property listings with available internet providers and speeds. Help buyers make informed decisions.
ISP Sales Tools
Power address qualification tools for internet service providers. Instantly verify coverage at any address.
Market Research
Analyze broadband competition across regions. Identify underserved markets and coverage gaps.
Smart City / GovTech
Support digital equity initiatives with accurate broadband coverage data for policy decisions.
Simple, Transparent Pricing
Start free, scale as you grow. All plans include access to our comprehensive ISP dataset covering the entire United States.
Free
Perfect for testing and prototyping
- 100 API requests/month
- 10 requests/minute rate limit
- 1 API key
- Broadband provider lookup (115M+ locations)
- Speed test data by location
- Provider performance metrics
- Cell tower search
- JSON response format
- Community support
Starter
For small apps and early-stage startups
- 5,000 API requests/month
- 60 requests/minute rate limit
- 2 API keys
- All Free tier datasets
- FCC consumer complaint data
- Broadband funding & infrastructure (BEAD/RDOF)
- Single & bulk address lookup
- Provider detail enrichment
- JSON & CSV response formats
- Email support (48hr SLA)
Pro
For growing businesses and data teams
- 50,000 API requests/month
- 300 requests/minute rate limit
- 5 API keys
- All Starter tier datasets
- Census internet access demographics
- E-Rate school/library ISP data
- Market analysis & competition metrics
- Internet adoption & digital divide (NTIA)
- Coverage area analysis
- JSON, CSV & GeoJSON formats
- Webhook notifications
- Priority email support (24hr SLA)
Enterprise
For large-scale operations and resellers
- 500,000 API requests/month
- 1,000 requests/minute rate limit
- 25 API keys
- All Pro tier datasets + batch processing
- Full provider enrichment suite
- Coverage area & gap analysis
- All response formats + streaming
- Webhook notifications
- Custom data exports
- Dedicated support (4hr SLA)
- 99.9% uptime SLA
The Most Accurate ISP Data Available
Our proprietary database is compiled from authoritative federal and industry sources, cross-validated for accuracy. We process over 300 million raw records and distill them into 115+ million unique broadband serviceable locations using Uber's H3 hexagonal grid system for precise geospatial matching.