ZipCodeAPI
US zip code distance, radius and location API
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Geocoding
- Documentation / URL
- https://www.zipcodeapi.com
Overview
ZipCodeAPI provides US ZIP data — info, distance, and radius lookups. Auth is a free API key.
⚠️ Status (verified 2026-08):
api.zipcodeapi.comwas unreachable from our network (connection failures). This may reflect regional/network blocking — verify from your network before relying on it.
What it provides
curl "https://api.zipcodeapi.com/rest/YOUR_KEY/info.json/90210/degrees"{ "zip_code": "90210", "lat": 34.09, "lng": -118.41, "city": "Beverly Hills", "state": "CA" }Notes
- Register at zipcodeapi.com → free key (10 requests/hour free tier).
- Endpoints:
/info.json/{zip},/distance.json/{zip1}/{zip2},/radius.json/{zip}/{miles}.
FAQ
Is ZipCodeAPI free? Free tier: 10 requests/hour; more is paid.
Why can’t I reach it? Our 2026-08 check hit connection failures — verify from your network.
What can I query? ZIP info, distance between ZIPs, and radius search.
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