APIActive

what3words API v3

REST API to convert 3 word addresses to coordinates and vice versa, with AutoSuggest, grid, and language support.

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Field note

What it does

The what3words API v3 is a fast and simple interface that allows you to convert 3 word addresses to coordinates and vice versa. It features a powerful AutoSuggest function, which can validate and autocorrect user input and limit it to certain geographic areas. It also allows you to request a section of the what3words grid (as GeoJSON) and an up-to-date list of all supported languages.

Capabilities

Available capabilities

Available languagesAutosuggestGrid sectionConvert to 3 word addressConvert to coordinates

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Ways to use it

Ways to use it

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Product features

Product features

CORS support

Supports CORS, allowing JavaScript requests across domains.

GeoJSON output

Can return grid section and convert-to-3wa results in GeoJSON format.

Locale support

Allows specifying locale for languages with variants (e.g., Cyrillic/Latin).