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For Microsoft Search APIs in Microsoft Graph, the Accept-Language HTTP request header provides a list of acceptable human languages for the response. The value is used for localization on the server side. The following table lists the supported Accept-Language header values.
| Accept-Language header string | Language |
|---|---|
| af | Afrikaans |
| am | Amharic |
| ar-sa | Arabic (Saudi Arabia) |
| as | Assamese |
| az-Latn | Azerbaijani (Latin) |
| be | Belarusian |
| bg | Bulgarian |
| bn-BD | Bangla (Bangladesh) |
| bn-IN | Bangla (India) |
| bs | Bosnian (Latin) |
| ca | Catalan Spanish |
| ca-ES-valencia | Valencian |
| cs | Czech |
| cy | Welsh |
| da | Danish |
| de | German (Germany) |
| de-de | German (Germany) |
| el | Greek |
| en-GB | English (United Kingdom) |
| en-US | English (United States) |
| es | Spanish (Spain) |
| es-ES | Spanish (Spain) |
| es-US | Spanish (United States) |
| es-MX | Spanish (Mexico) |
| et | Estonian |
| eu | Basque |
| fa | Persian |
| fi | Finnish |
| fil-Latn | Filipino |
| fr | French (France) |
| fr-FR | French (France) |
| fr-CA | French (Canada) |
| ga | Irish |
| gd-Latn | Scottish Gaelic |
| gl | Galician |
| gu | Gujarati |
| ha-Latn | Hausa (Latin) |
| he | Hebrew |
| hi | Hindi |
| hr | Croatian |
| hu | Hungarian |
| hy | Armenian |
| id | Indonesian |
| ig-Latn | Igbo |
| is | Icelandic |
| it | Italian (Italy) |
| it-it | Italian (Italy) |
| ja | Japanese |
| ka | Georgian |
| kk | Kazakh |
| km | Khmer |
| kn | Kannada |
| ko | Korean |
| kok | Konkani |
| ku-Arab | Central Kurdish |
| ky-Cyrl | Kyrgyz |
| lb | Luxembourgish |
| lt | Lithuanian |
| lv | Latvian |
| mi-Latn | Maori |
| mk | Macedonian |
| ml | Malayalam |
| mn-Cyrl | Mongolian (Cyrillic) |
| mr | Marathi |
| ms | Malay (Malaysia) |
| mt | Maltese |
| nb | Norwegian (Bokmål) |
| ne | Nepali (Nepal) |
| nl | Dutch (Netherlands) |
| nl-BE | Dutch (Netherlands) |
| nn | Norwegian (Nynorsk) |
| nso | Sesotho sa Leboa |
| or | Odia |
| pa | Punjabi (Gurmukhi) |
| pa-Arab | Punjabi (Arabic) |
| pl | Polish |
| prs-Arab | Dari |
| pt-BR | Portuguese (Brazil) |
| pt-PT | Portuguese (Portugal) |
| qut-Latn | K’iche’ |
| quz | Quechua (Peru) |
| ro | Romanian (Romania) |
| ru | Russian |
| rw | Kinyarwanda |
| sd-Arab | Sindhi (Arabic) |
| si | Sinhala |
| sk | Slovak |
| sl | Slovenian |
| sq | Albanian |
| sr-Cyrl-BA | Serbian (Cyrillic, Bosnia and Herzegovina) |
| sr-Cyrl-RS | Serbian (Cyrillic, Serbia) |
| sr-Latn-RS | Serbian (Latin, Serbia) |
| sv | Swedish (Sweden) |
| sw | Kiswahili |
| ta | Tamil |
| te | Telugu |
| tg-Cyrl | Tajik (Cyrillic) |
| th | Thai |
| ti | Tigrinya |
| tk-Latn | Turkmen (Latin) |
| tn | Setswana |
| tr | Turkish |
| tt-Cyrl | Tatar (Cyrillic) |
| ug-Arab | Uyghur |
| uk | Ukrainian |
| ur | Urdu |
| uz-Latn | Uzbek (Latin) |
| vi | Vietnamese |
| wo | Wolof |
| xh | isiXhosa |
| yo-Latn | Yoruba |
| zh-Hans | Chinese (Simplified) |
| zh-Hant | Chinese (Traditional) |
| zu | isiZulu |
Examples
We support the format language-region (for example en-US). Multiple languages can be listed by using commas and given an associated quality value. The value represents an estimate of the user's preference for the languages specified by that range, for example, en-US, fr-FR;q=0.9. The quality value defaults to "q=1".
POST /search/query
Content-Type: application/json
Accept-Language: en-US, fr-FR;q=0.9
Known limitations
- If no Accept-Language header is present in the request, the server assumes that all languages are equally acceptable. If an Accept-Language header is present, then all languages, which are assigned a quality factor greater than zero are acceptable.