what3words

what3words Public API

REST API for converting between three-word addresses and latitude / longitude coordinates, with AutoSuggest, available-languages, and grid-section endpoints. JSON or GeoJSON response formats. Authenticated via the X-Api-Key header or a key query parameter.

GitHub

Documentation

📖
Documentation
https://developer.what3words.com/public-api/docs

Other Resources

🔗
Repository
https://github.com/what3words/what3words-api-docs
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/what3words/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: what3words:public-api
name: what3words Public API
description: REST API for converting between three-word addresses and latitude / longitude coordinates,
  with AutoSuggest, available-languages, and grid-section endpoints. JSON or GeoJSON response formats.
  Authenticated via the X-Api-Key header or a key query parameter.
humanURL: https://developer.what3words.com/public-api/docs
baseURL: https://api.what3words.com/v3
tags:
- REST API
- Geocoding
- Addressing
properties:
- type: Documentation
  url: https://developer.what3words.com/public-api/docs
- type: Repository
  url: https://github.com/what3words/what3words-api-docs