Our API enables you to convert what3words addresses to coordinates and vice versa. An intelligent AutoSuggest function validates what3words addresses entered by your users and can limit them to certain geographic areas.
For those looking to test an integration or who simply need to collect and validate what3words addresses from their users.
For businesses wanting to convert what3words addresses to coordinates at low monthly volumes.
1,000
For businesses requiring higher monthly volumes of conversions, plus priority and developer support.
10,000
For larger businesses seeking higher conversion volumes plus our highest level support package.
30,000
For large-scale organisations needing high conversion volumes, our highest level support package, and custom invoicing options.
75,000
Convert a what3words address to its corresponding coordinates. View its country, nearest place data (e.g. its nearest town) and get a link to its location on the what3words online map.
This feature helps to reduce and correct user input errors by displaying intelligent suggestions. These may be limited to a country or area, and prioritised by distance from the user’s location.
Convert a set of coordinates to its corresponding what3words address in any of 54+ languages, plus view its country, nearest place data and link to the what3words online map.
Overlay the what3words grid of 3 metre squares onto your map. Your users can simply select any square to view its what3words address.
We offer free and discounted plans for qualifying NGOs, charities and emergency services. Get in touch to find out more.
For large-scale organisations requiring a more tailored offering, we have a suite of integrated services and tools to optimise your operations. Contact our team for a personalised plan.
Whether you need to collect what3words addresses or convert them to coordinates, our Free plan is a great starting point.
Our team is on hand to help with anything you need to know.
The what3words API enables you to build what3words functionality into your products, tools and services.
It converts what3words addresses to coordinates and vice versa. An intelligent AutoSuggest function validates what3words addresses entered by your users and can limit them to certain geographic areas. The API can also be used to add the what3words grid to your maps.
For developers, libraries available in Java, JavaScript, Swift, Python, Node.js, .NET, PHP and others make it easy to add what3words to navigation systems, platforms, mobile apps, wearables and more. You’ll find more details in our Developer pages.
A convert to coordinates request converts a what3words address to its corresponding coordinates and returns information such as its nearest place and country. You can find developer resources for this function here.
When choosing a plan, you should consider both the number of what3words addresses you need to convert to coordinates per month, and also whether you’d benefit from enhanced support options or features such as annual billing.
Our Standard plan is the most popular for businesses. If you want to try out what3words first, you can start with our Free plan and then upgrade to a business plan when needed.
We offer free and discounted API plans to many NGOs for educational, community and innovative projects, and to emergency services. Get in touch to find out if you’re eligible and how to get started.
For large-scale organisations requiring a more tailored offering, including conversions above 75,000, we have a suite of integrated services and tools to optimise your operations. Contact our team for a personalised Enterprise solution.
If you select our Premium plan, you can select from a number of invoicing options, including annual billing.