BigDataCloud — Precise IP Geolocation & Reverse Geocoding APIs
Patented IP geolocation with daily public accuracy benchmarks. Free to start, scales to billions.
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# BigDataCloud
> Precise IP geolocation and reverse geocoding APIs powered by patented technology. Verified daily against real GPS ground-truth data. Free to start.
BigDataCloud provides location intelligence APIs for developers and businesses. Core products include IP Geolocation (with confidence areas, hazard detection, and ASN intelligence), Reverse Geocoding (GPS coordinates to locality/city/region), Phone & Email Verification, and Network Engineering APIs (ASN, BGP, Tor exit nodes).
## Products
- [IP Geolocation API](https://www.bigdatacloud.com/ip-geolocation): City-level IP geolocation with patented confidence area polygons, VPN/proxy/Tor detection, ASN intelligence, and risk scoring. IPv4 and IPv6. 147 languages. Sub-millisecond response.
- [Reverse Geocoding API](https://www.bigdatacloud.com/reverse-geocoding): Convert GPS coordinates to city, locality, postcode and administrative region. Locality-level only — no street addresses by design. 147 languages.
- [Phone & Email Verification API](https://www.bigdatacloud.com/phone-email-verification): Validate phone numbers (E.164 format, line type detection) and email addresses (syntax, MX, disposable detection).
- [Network Engineering APIs](https://www.bigdatacloud.com/network-engineering): ASN details, BGP prefix data, network lookups, Tor exit nodes, IPv4/IPv6 address space monitoring.
- [Free Client-Side APIs](https://www.bigdatacloud.com/free-api): No API key required. Reverse geocoding, public IP detection, client info, and roaming detection — for direct browser/mobile use only. Subject to fair use policy.
## Pricing
- [Pricing](https://www.bigdatacloud.com/pricing): All packages include a free tier. Paid plans from $9.95/month. Pay-as-you-go overage option available account-wide.
## Documentation
- [Developer Hub](https://www.bigdatacloud.com/docs): Getting started, authentication, API domains, GraphQL interface, SDKs.
- [IP Geolocation API Reference](https://www.bigdatacloud.com/docs/ip-geoloc