openapi: 3.1.0 info: title: what3words Public Autosuggest Available Languages API description: 'The what3words API converts between 3 word addresses (e.g. ///filled.count.soap) and latitude/longitude coordinates, returns autosuggest candidates, grid sections and supported languages. ' version: '3.0' contact: name: what3words url: https://developer.what3words.com/public-api/docs servers: - url: https://api.what3words.com/v3 description: Production security: - ApiKeyQuery: [] - ApiKeyHeader: [] tags: - name: Available Languages paths: /available-languages: get: summary: List all 3 word address languages supported operationId: availableLanguages responses: '200': description: Language list content: application/json: {} tags: - Available Languages components: securitySchemes: ApiKeyQuery: type: apiKey in: query name: key ApiKeyHeader: type: apiKey in: header name: X-Api-Key