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The Cloud Natural Language API supports a variety of languages.
These languages are specified within a request using the optional language
parameter. Language code parameters conform to
ISO-639-1 or
BCP-47 identifiers.
If you do not specify a language parameter, then the language for
the request is auto-detected by the Natural Language API.
The list of supported languages differs depending on the feature.
*language support is limited based on the type of text (eg. webpage, chat message, etc) for some attributes. In any case, we recommend thorough evaluation for your use case.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Language Support\n\nThe Cloud Natural Language API supports a variety of languages.\nThese languages are specified within a request using the optional [`language`](/natural-language/docs/reference/rest/v1/documents#Document.FIELDS.language)\nparameter. Language code parameters conform to\n[ISO-639-1](https://en.wikipedia.org/wiki/ISO_639-1) or\n[BCP-47](https://tools.ietf.org/html/bcp47) identifiers.\nIf you do not specify a `language` parameter, then the language for\nthe request is auto-detected by the Natural Language API.\n\nThe list of supported languages differs depending on the feature.\n\nContent classification\n----------------------\n\n### [V2 Model](/natural-language/docs/reference/rest/v1/ClassificationModelOptions)\n\n### [V1 Model](/natural-language/docs/reference/rest/v1/ClassificationModelOptions)\n\nSyntactic analysis\n------------------\n\nEntity analysis\n---------------\n\nSentiment analysis\n------------------\n\nEntity sentiment analysis\n-------------------------\n\nText moderation\n---------------\n\n\\*language support is limited based on the type of text (eg. webpage, chat message, etc) for some attributes. In any case, we recommend thorough evaluation for your use case."]]
