What3Words API
Maps & Location · Unknown · 30d uptime 100%
Three words as rememberable and unique coordinates worldwide
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Free tier available
Health
207ms
Trust score
87 (B)
Strong candidate; weakest signal is CORS.
Links
- Homepagewhat3words.com
- Documentationdeveloper.what3words.com
- Base URLwhat3words.com
Integration checklist
- Auth is API_KEY
- No CORS — route calls through your backend.
- Rate limit: Free tier available