Onwater Alternatives (2025)

Geocoding of city name by using latitude and longitude coordinates

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

Singapore Land Authority REST API services for Singapore addresses

Free IP API provides country, city, state, province, local currency, latitude and longitude, company detail, ISP lookup, language, zip code, country calling code, time zone, current time, sunset and sunrise time, moonset and moonrise time from any IPv4 and IPv6 address in REST, JSON and XML format over HTTPS.

ipgeolocation.io API provides IP to Location information such as country, city, state, province, latitude and longitude, company detail, ISP lookup, threat intelligence information, tor, VPN and proxy data. It also provides user agent lookup information, sun rise, sun set and moon set, moon rise timings. All APIs support REST JSON and XML formats.

ZipCodeStack is a completely free REST API that provides accurate and up-to-date zip code data for your application. With their easy-to-use API, you can quickly retrieve zip codes and associated data, including city, state, latitude, and longitude. Whether you're building a location-based app or need to validate user input, ZipCodeStack is a valuable resource for any developer. Their API is constantly updated to ensure accuracy, and they offer flexible pricing plans for businesses with more demanding needs. With ZipCodeStack, you can streamline your development process and ensure that your application always has access to the most accurate zip code data available. So why not sign up today and start using the best free zip code API available?

The Native Land API, available on their website, provides geocoding information for Indigenous territories, languages, and treaties. With this API, you can easily access information about the Indigenous territories and languages that occupy a specific area, as well as any relevant treaties or agreements. Whether you're a researcher, educator, or just someone who wants to learn more about the Indigenous peoples of a specific region, the Native Land API is a valuable resource that can help you better understand the land you live on. So why not check it out today and start exploring the rich history and culture of Indigenous peoples around the world?

Pointpin is a simple API that gives your sites and apps fast, reliable IP geolocation (and useful location data, too).

Kakao Maps provide multiple APIs for Korean maps

IP address geolocation & threat data API

IP geolocation web service to get more than 55 parameters

Geokeo geocoding service- with 2500 free api requests daily