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What3Words API

by What3Words Free tier

Three words as rememberable and unique coordinates worldwide

maps

Quick Reference

Base URL https://what3words.com Auth type API Key Header Auth header Authorization: Bearer YOUR_TOKEN Rate limit 5 req/s (free tier) Pricing Enterprise / contact sales Free quota None Documentation https://what3words.com Endpoint status Live — HTTP 200 — endpoint is accessible3.18s (checked Mar 29, 2026) Builder score D 28% builder-friendly
Pricing
28
Latency
40
Depth
18

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free for development and small non-commercial use. Business licensing required for commercial use at volume. Pricing based on usage (conversions/month). Contact sales.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://what3words.com'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official What3Words documentation.