Locate your online visitors with this high-performance REST API by Fastah™. Parse the convenient JSON response and integrate it with any software system. Free, 30-day trial available.

Key Features of the IP metadata

Country of registration: "United States" and "US"
City, State: "Boston, MA"
Geo-coordinates (location is approximate and statistically derived) : [42.36° N, 71.05° W]
Satellite Internet detection (Starlink by SpaceX and OneWeb)
Key languages and locale codes (via GeoNames.org dataset): ["en-US", "es"]
Currency code, Symbol, and Name: "USD", '$', "Dollar"
Timezone in tz format: "America/New_York"
European Union (true or false)

Check out the API documentation for all JSON response fields.

Key Benefits and Use Cases

Route traffic to your country-specific site or landing page
Optimize landing pages based on city and region
Show the nearest brick-and-mortar stores to an estimated user location
Localize and Internationalize with the correct currency, shipping, payments, and copy text

Enterprise Grade

Data Quality

IP datasets refreshed daily
Continually scored amongst the freshest IP data providers by Geolocatemuch.com, an independent open-data project.
Covers fixed internet, mobile networks (5G, 4G), satellite internet (e.g., Starlink by SpaceX), public cloud providers (AWS, Azure, GCP), and more.

Transparency

A self-serve developer console with information on your active subscription:

API call volumes
Latency statistics

Use cases you can build

Banking and Financial Services

Assign one of the many risk scores relevant to Know-Your-Customer (KYC) and Anti Money Laundering (AML) compliance.

Targeted Advertising

Show visitors targeted ads based on their city and country. Improve ad relevance and conversion rates.

Online Fraud Prevention

Identify potentially fraudulent transactions by checking if the IP address's location matches the billing address. This may help reduce disputed transactions and fraud.

Content Personalization

Show personalized content or merchandise to e-commerce visitors based. For example, highlight Red Sox merchandise for Boston-area visitors (Go Sox!).

Country-specific routing, media rights, and data sovereignty determination

Implement sane defaults on which nearest server to redirect a user, which licensed videos to stream by country, and where to persist user data during sign-up.

Analytics

Segment and visualize user traffic, financial transactions, and more on Google Maps or a data-driven dashboard.

What's New

Data Release for 2025 Week 17 (April 23rd, 2025) with IP data version: 2025-04-22

IP Geolocation API for City, Country, Maps - Personalization & SecurityFastah

IP Geolocation API for City, Country, Maps - Personalization & Security

Fastah

IP Geolocation API for City, Country, Maps - Personalization & Security

Fastah

IP Geolocation API for City, Country, Maps - Personalization & Security
Fastah