AddressAPI

30 data sources. One address. One call.

Flood zones, property taxes, demographics, school districts, hazards, walkability, crime risk, broadband, environmental data, and more — from 30 government sources in a single API call. Plus address verification and geocoding built in.

Get Free API Key View Docs

Try it — enter any US address

Drop-in simple

curl -H "x-api-key: YOUR_KEY" \
  "https://addressapi.portofcams.com/v1/enrich?address=350+5th+Ave,+New+York,+NY+10118"

# Returns: flood zones, property taxes, demographics, schools,
# hazards, walkability, crime, environmental, climate, health,
# utility rates, nearby POIs, risk score, and more

Flood Zones

FEMA flood zone designation, risk level, SFHA status. Redundant data sources — NFHL + OpenFEMA fallback.

Property & Tax

Median home value, property taxes, effective tax rate, housing stock, vacancy rates, year built.

Demographics

Median income, population, rent, homeownership rates from Census ACS.

Schools & Education

School district name, enrollment rates, educational attainment, college degree percentages.

Natural Hazards

USGS seismic risk, earthquake history, tornado/hurricane/wildfire risk by region.

Crime & Safety

Poverty, unemployment, vacancy rates. Computed safety score (0-100).

Environmental Risk

Superfund sites, toxic release facilities, EPA violations, air quality index, noise levels.

Walkability

Walk/bike/transit commute percentages, zero-car households, walkability score.

Composite Risk Score

0-100 safety score with letter grade (A-F). Combines flood, crime, environmental, hazards, air quality, and health.

Address Verification

Standardize, geocode, and verify any US address. Parsed components, coordinates, typo correction.

Batch Processing

Enrich or verify up to 1,000 addresses per request. Async processing with webhook callbacks.

Live Weather & Alerts

Current forecast, temperature, wind, active NWS weather alerts, and timezone for the address.

Radon & Mortgage

EPA radon risk zone, current 30yr mortgage rate, brownfield proximity, and house price trends.

16 More Sources

Broadband, climate, utility rates, food access, health, disaster history, opportunity zones, nearby POIs, and more.

More data, less money

AddressAPI Google Maps SmartyStreets
Flood Zones (FEMA) Included Not available Not available
Property Taxes & Value Included Not available Not available
Demographics & Income Included Not available Not available
School Districts Included Not available Not available
Natural Hazards Included Not available Not available
Live Weather & Alerts Included Not available Not available
Radon Risk Included Not available Not available
Mortgage Rates Included Not available Not available
Environmental Risk Included Not available Not available
Address Verification Included $5.00/1K $0.01-0.05/lookup
Geocoding Included $5.00/1K Add-on
Data Sources 30 government APIs Proprietary USPS only
Price $0.002/lookup $5.00/1K $0.01-0.05/lookup
Free Tier 100/month None Trial only

Built for

E-Commerce Checkout

Validate shipping addresses before orders ship. Reduce failed deliveries and returns.

CRM Data Cleanup

Batch validate your contact database. Standardize addresses and flag undeliverables.

Real Estate Apps

Enrich listings with flood risk, school districts, walkability, and property data.

Insurance Underwriting

Instant flood zone and hazard assessment for policy pricing and risk evaluation.

Simple, transparent pricing

All plans include validation + enrichment. $0.002/lookup overage on paid plans.

Free

$0
forever
  • 100 lookups/month
  • Validation + enrichment
  • 2 req/second
  • 1 API key
Get Started

Starter

$29
/month
  • 5,000 lookups/month
  • Validation + enrichment
  • 10 req/second
  • Batch endpoint
  • Email support
Start Free

Scale

$99
/month
  • 100,000 lookups/month
  • Validation + enrichment
  • 200 req/second
  • Batch + webhooks
  • 10 API keys
  • SLA guarantee
Contact Us

Need more? Enterprise plans with custom limits and dedicated support. Contact us.

Get in touch

Questions about pricing, enterprise plans, or custom integrations? We'd love to hear from you.