Best API Reference - Ideal Postcodes Alternatives (2026)

Geolocate website visitors from their IPs

Actinia is an open source REST API for geographical data that uses GRASS GIS

Get all administrative divisions of a country

Address database of France, geocoding and reverse

IP Geolocation API. Collecting data from multiple sources

Get location information by IP address

Instantly access empirical models of atmospheric density and composition that are recommended by the Committee on Space Research (COSPAR) for satellite drag calculations. <br><br> API requests mu...

Our atmosphere protects us from a hostile space radiation environment comprising high energy particles of solar and intergalactic origin. Solar radiation is significant during unpredictable and sho...

Baidu's mapping platform — geolocation, routing, navigation, indoor maps. Android, iOS SDKs and JavaScript API

A (country/region/city) in-cascade location API

Provides fast and accurate IP geolocation APIs along with security checks and confidence area

Get free client-side reverse geocoding API and Client Info API. No account creation and API key required.

Provides fast and accurate IP geolocation APIs along with security checks and confidence area.

Get detailed ASN and Network lookup of an IP address.

Syntax and Format Validation of Phone Number and Email address.

Get rich locality information from the geographical coordinates.

Create/customize digital maps based on Bing Maps data

Convert British OSGB36 easting and northing (British National Grid) to WGS84 latitude and longitude

Create maps and markers for anything

Brazil RESTful API to find information about streets, zip codes, neighborhoods, cities and states

**NOTE:** This is a preview of the API and it is not considered stable since refinements are still being made. # Introduction Welcome to the **Truora Check** [**RESTful API**](https://en.wikiped...

Open APIs for select European cities

Use this JSON API to build and test radio links for any radio, anywhere. Authenticate with your API2.0 key in the request header as key

Get your visitor's country from their IP

World countries, states, regions, provinces, cities & towns in JSON, SQL, XML, YAML, & CSV format

Computer Proficiency Certification Exam (https://cpct.mp.gov.in) is mandatory for data entry/IT Operator/Assistant Grade-3/steno/shorthand/typist and other similar Permanent/Contractual positions i...

Welcome to the Daymet Single Pixel Extraction Tool API. You can use this API to download daily surface data within the Daymet database in a `csv` or `json` format for a single point. This API allow...

API explorer that gives a query URL with a JSON response of locations and cities

The Docker DVP Data API allows [Docker Verified Publishers](https://docs.docker.com/docker-hub/publish/) to view image pull analytics data for their namespaces. Analytics data can be retrieved as r...

edrv.io API Documentation

Download [OpenAPI 3.0 Specification](/OpenAPI-Enode-v1.4.0.json) Download [Postman Collection](/Postman-Enode-v1.4.0.json) The Enode API is designed to make smart charging applications easy to de...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization)** for more information on how to generate an ac...

Free geo ip information, no registration required. 15k/hour rate limit

Furkot provides Rest API to access user trip data. Using Furkot API an application can list user trips and display stops for a specific trip. Furkot API uses OAuth2 protocol to authorize applicatio...

Alibaba's mapping service — geocoding, search, route planning, navigation. Android, iOS SDKs and JS API

French geographical data

Forward and reverse geocoding, address autocomplete

Address geocoding / reverse geocoding in bulk

Provides worldwide forward/reverse geocoding, batch geocoding and geoparsing

Worldwide geocoding, geoparsing and autocomplete for addresses

Open geospatial data and API service for Greece

Geocoding of city name by using latitude and longitude coordinates

Get global city, region, and country data

The GeoDB API focuses on getting global city and region data. Easily obtain country, region, and city data for use in your apps! <ul> <li>Filter cities by name prefix, country, location, time-zo...

Reverse geocoding - Converting geographic coordinates to address-like location description

A Country, State, and City GraphQL API

IP geolocation with ChatOps integration

Geokeo geocoding service- with 2500 free api requests daily

Free IP Geolocation API with multi-continent servers, and 60000 free requests/month

The World Magnetic Model calculates the intensity and direction of the Earth's magnetic field on a specific date-time, geodetic altitude, latitude, and longitude. It is relied upon throughout the ...

Place names and other geographical data

IP geolocation and currency conversion

API provided by nrm.se

Since 2006, [Gisgraphy](http://www.gisgraphy.com) is a free, open source framework that offers the possibility to do geolocalisation and geocoding via Java APIs or REST webservices. Because geocodi...

A cloud-based platform for planetary-scale environmental data analysis

Create/customize digital maps based on Google Maps data

Country-related data like currencies, languages, flags, regions+subregions and bordering countries

With the [GraphHopper Directions API](https://www.graphhopper.com/products/) you can integrate A-to-B route planning, turn-by-turn navigation, route optimization, isochrone calculations and other ...

The gravitational field of the earth is non-uniform. The <a href='https://en.wikipedia.org/wiki/Geoid'>geoid</a> is the shape the ocean surface would take if only gravity and the rotation of the ...

Get hello translation following user language

Create/customize digital maps based on HERE Maps data

Positioning API accepts requests with radio network measurements and replies with corresponding location estimate. For more details and examples, see [Developer's Guide](https://developer.here.com/...

Ip to location with country code, currency code & currency name, fast response, unlimited requests

API for accessing geo-data of Hong Kong

Aggregate services of IBGE (Brazilian Institute of Geography and Statistics)

Map an IP to a country

Find geolocation with ip address

Abstract IP geolocation API allows developers to retrieve the region, country and city behind any IP worldwide. The API covers the geolocation of IPv4 and IPv6 addresses in 180+ countries worldwide...

BigDataCloud's IP Geolocation API returns detailed information about the geographical location, ownership and connectivity of the provided IPv4 IP address. This API is powered by patent-pending ‘N...

Free IP Geolocation API

Find location with IP address or domain

IP geolocation web service to get more than 55 parameters

Bundle of Free IP geolocation and WHOIS API

Detect proxy and VPN using IP address

IP2Proxy allows instant detection of anonymous proxy, VPN, TOR exit nodes, search engine robots (SES), data center ranges (PX2-PX10), residential proxies (PX10) and VPN provider name (PX11) by IP a...

Find IP address location information

Real-time Geolocation & Reverse IP Lookup REST API

Unlimited free IP Address API with useful information

IP Geolocation AP with free plan 30k requests per month

Free Geolocation tools and APIs for country, region, city and time zone lookup by IP address

Locate and identify website visitors by IP address

2,000 free API calls per day. Production grade IP intelligence at non-enterprise prices. Servers in 12+ regions for low latency.

Identify website, IP, or email owners with geolocation, reverse IP lookup, country insights, ASN data, and email verification

Kakao Maps provide multiple APIs for Korean maps

Get the IP geolocation data through the simple REST API. All the responses are JSON encoded

Provides forward/reverse geocoding and batch geocoding

Interactive map with detailed places and information portal in Thailand

Create/customize beautiful digital maps

To access tools and resources to map the world

The Maps API web services suite offers the following APIs: - Raster The Maps Raster API renders map data that is divided into gridded sections called tiles. Tiles are square images (png or jpg ...

Enhanced United States zip code information. Census, IRS, demographics, radius, distances and more

Mexico RESTful zip codes API

The Miataru API is very simple and straight forward. Generally you're posting (HTTP POST) a JSON formatted request to a service method locations and you get back a JSON formatted answer. Please tak...

Mtaa A simple REST API to access Tanzania's location information,With mtaa API you can easily query and integrate all the location in tanzania from region level to streets from your programming lan...

The general-purpose API

Provides worldwide forward / reverse geocoding

Singapore Land Authority REST API services for Singapore addresses

Determine if a lat/lon is on water or land

Elevation and ocean depth for a latitude and longitude

Forward and reverse geocoding using open data

A public street and postal code directory for Austria, Germany, Liechtenstein and Switzerland via an open REST API

Directions, POIs, isochrones, geocoding (+reverse), elevation, and more

Navigation, geolocation and geographical data

A crowdsourced map of public pinball machines

Pointpin is a simple yet powerful API designed for high traffic websites to deliver fast and reliable IP geolocation for your websites and applications.

Forward & Reverse Batch Geocoding REST API

Mexico Zip Codes API

Provide geolocation data based on postcode for Dutch addresses

Postcode lookup & Geolocation for the UK

Proweblook lookup & Geolocation

Access to heat focus data (probable wildfire)

Get information about countries via a RESTful API

Cities content & photos API

Rwanda Provinces, Districts, Cities, Capital City, Sector, cells, villages and streets

API Gateway for Sentience Platform - Web Content Extraction and Element Coordinate Mapping

German city, country, river, database

Space has a hostile radiation environment that increases the risk of cancers in humans and malfunctions in spacecraft electronics. The types of space radiation of primary concern are: <ul> <...

Add location based interactions to your mobile app

Global marine weather data from multiple sources in one single API with hourly resolution. Get your API key by visiting the Storm Glass web site.

Telize offers location information from any IP address

Tencent's location-based services — geolocation, POI search, routing, navigation with SDKs and JS API

IP to Location API, with data about country, region, city etc, with free plan allowing 1000 req/day

API for the Water Linked Underwater GPS. For more details: http://www.waterlinked.com Recommended approach for connecting to a Underwater GPS via the API is: - If "GET /api/" times out, the Underw...

China's official national mapping service — base maps, geocoding, route planning. Government-backed alternative to commercial maps

This API returns a list of all available timezones for your application

Maps, Directions, Places and Traffic APIs

Open Source GPS Tracking Platform

The TrapStreet API finds trap streets in Google Maps, Bing Maps and OpenStreetMap data.

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA's Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and e...

Discover and share maps with friends

Validate and append data for any US ZipCode

Utah Web API for geocoding Utah addresses

Brazil RESTful zip codes API

Weather Forecast and Historical Weather Data via RESTful API.

Three words as rememberable and unique coordinates worldwide

Use geocoding to get an object's coordinates from its address

US zip code distance, radius and location API

Zip Code API - Free Postal Code Validation

Get information about place such as country, city, state, etc

Get the country, state, and city of any US zip-code

The Zoom API allows developers to access information from Zoom. You can use this API to build private services or public applications on the [Zoom App Marketplace](http://marketplace.zoom.us). To l...