The following supported regions and languages lists are used only for each identified BOSS API service. These market parameters cannot be applied to other BOSS API services.
| Country/Language | Market | Web | Limitedweb | Image | News | Also Try | Blog | Spelling |
|
Argentina - Spanish |
es-ar | X | X | X | X | X | ||
|
Austria – German |
de-at | X | X | X | X | |||
|
Australia – English |
en-au | X | X | X | X | X | ||
| Belgium - Dutch | nl-be | X | X | |||||
|
Brazil – Portuguese |
pt-br | X | X | X | X | |||
| Bulgaria - Bulgarian | bg-bg | X | X | |||||
|
Canada - English |
en-ca | X | X | X | X | X | ||
|
Canada - French |
fr-ca | X | X | X | X | X | ||
| Chile - Spanish | es-cl | X | X | X | X | |||
| Colombia - Spanish | es-co | X | X | X | X | |||
| Croatia - Croatian | hr-hr | X | X | |||||
| Czech Republic | cs-cz | X | X | X | X | |||
|
Denmark – Danish |
da-dk | X | X | X | X | |||
| Estonia - Estonian | et-ee | X | X | |||||
|
Finland – Finnish |
fi-fi | X | X | X | X | |||
|
France - French |
fr-fr | X | X | X | X | X | ||
|
Germany - German |
de-de | X | X | X | X | X | ||
| Greece - Greek | el-gr | X | X | X | ||||
| Hong Kong* – Simplified Chinese | zh-hant-hk | X | X | X | X | X | X | |
| Hungary - Hungarian | hu-hu | X | X | X | X | |||
|
Indonesia - English |
id-en | X | X | X | X | X | ||
|
Indonesia - Indonesian |
id-id | X | X | X | X | X | ||
|
India – English |
en-in | X | X | X | X | X | ||
| Ireland - English | en-ie | X | X | |||||
| Israel - Hebrew | he-il | X | X | X | X | |||
|
Italy - Italian |
it-it | X | X | X | X | X | ||
| Japan – Japanese | ja-jp | X | X | X | X | |||
| Korea - Korean | ko-kr | X | X | X | X | X | ||
| Latvia - Latvian | lv-lv | X | X | |||||
| Lithuania - Lithuanian | lt-lt | X | X | |||||
|
Malaysia - English |
en-my | X | X | X | X | |||
|
Malaysia– Malaysian |
ms-my | X | X | X | X | X | ||
|
Mexico- Spanish |
es-mx | X | X | X | X | X | ||
|
Netherlands - Dutch |
nl-nl | X | X | X | X | |||
|
New Zealand - English |
en-nz | X | X | X | X | X | ||
|
Norway – Norwegian |
no-no | X | X | X | X | |||
| Peru – Spanish | es-pe | X | X | X | X | |||
|
Philippines** – Filipino |
tl-ph | X | X | X | X | X | ||
| Philippines - English | en-ph | X | X | X | X | X | ||
| Poland - Polish | pl-pl | X | X | |||||
| Romania - Romanian | ro-ro | X | X | X | X | |||
|
Russia Federation – Russian |
ru-ru | X | X | X | X | |||
| Saudi Arabia - Arabic | ar-xa | X | X | |||||
|
Singapore - English |
en-sg | X | X | X | X | X | ||
| Slovakia - Slovak | sk-sk | X | X | |||||
| Slovenia - Slovenian | sl-si | X | X | |||||
| Spain – Catalan | ca-es | X | X | X | X | |||
|
Spain – Spanish |
es-es | X | X | X | X | X | X | |
|
Sweden – Swedish |
sv-se | X | X | X | X | |||
|
Switzerland - French |
fr-ch | X | X | X | X | |||
|
Switzerland - German |
de-ch | X | X | X | X | |||
|
Switzerland - Italian |
it-ch | X | X | X | X | |||
|
Thailand - Thai |
th-th | X | X | X | X | X | ||
| Taiwan* – Traditional Chinese | zh-hant-tw | X | X | X | X | X | X | |
| Turkey – Turkish | tr-tr | X | X | X | X | |||
|
United Kingdom - English |
en-gb | X | X | X | X | X | ||
|
United States - English |
en-us | X | X | X | X | X | X | |
|
United States - Spanish |
es-us | X | X | X | X | X | ||
| Venezuela - Spanish | es-ve | |||||||
| Vietnam – Vietnamese | vi-vn | X | X | X | X | X | X |
Region/Language example usage: http://yboss.yahooapis.com/ysearch/{service}?q={keyword}&market=fr-fr&format=xml. For more information see the Universal Yahoo! BOSS API Arguments.
* BOSS API results for the Hong Kong and Taiwan markets may differ from the Y! Hong Kong and Y! Taiwan search properties.
** News does not support ph-tl at this time.