Building a local business directory

A working stack, not a category dump: core data, location, enrichment. Every listing below carries its own spec sheet.

6 APIs across 3 roles

01

Core data

The listings themselves

Foursquare PlacesFreemium

Search and details for venues worldwide: categories, addresses, hours, ratings, tips and photos.

API key · JSON

Overpass APIFree

Query OpenStreetMap by tag, area and bounding box: shops, trails, water points, any mapped feature.

02

Location

Resolve addresses and visitor IPs

Free OpenStreetMap geocoding and reverse geocoding, no key required, rate-limited to about 1 request/sec.

Maps an IPv4 or IPv6 address to country and ASN free; paid tiers add city, VPN/proxy and carrier data

API key · JSON

03

Enrichment

Local context on each page

Aggregated PM2.5, NO2, O3 and other pollutant readings from ground monitoring stations worldwide.

API key · JSON

Open-MeteoFreemium

Hourly and daily forecasts up to 16 days built from national weather-service models, callable without a key.

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