How much does it cost? Will Henderson Updated June 07, 2017 10:21 Follow Our core 3 word system will always be free for individuals to use, and there will always be ways to use our API for free. You can read more in our pricing policy. Related articles How do I download the SDK? Can I download a database of the words? How do I convert a large number of lat,long coordinates to 3 words? Is what3words open source like some other geo platforms and services? Why don't the map and satellite locations match? Comments 0 comments Article is closed for comments.