Any place on Earth, named with four common words. Type words to find a place, click the map to name one. The words work in any order. Accuracy: ±11 metres. No API key, no account, no patents — just an old, honest trick with a word list.
accepts four words (spaces, dots or dashes), fewer words for a rougher area, or plain “lat, lon”.
40.7128, -74.006 ±11 m · words work in any order
tiles © openstreetmap contributors — click anywhere to name that spot
every link below is key-free and account-free. “navigate” starts turn-by-turn where supported.
a plain JSON API. no key, no limit worth mentioning, CORS open. full docs at /api, machine spec at /openapi.json, agent notes at /llms.txt.
# words → coordinates curl "https://what4words.joseluissaorin.com/api/decode?phrase=corner.gulp.security.valley" # coordinates → words curl "https://what4words.joseluissaorin.com/api/encode?lat=40.7128&lon=-74.0060" # every map link at once curl "https://what4words.joseluissaorin.com/api/links?phrase=corner.gulp.security.valley"