# Lang parameter in Closed Caption API document : why "jp-JP" for Japanese?

**URL:** <https://devforum.zoom.us/t/lang-parameter-in-closed-caption-api-document-why-jp-jp-for-japanese/35923>\
**Category:** API and Webhooks\
**Created:** [November 13, 2020, 5:56am UTC](https://devforum.zoom.us/t/lang-parameter-in-closed-caption-api-document-why-jp-jp-for-japanese/35923 "2020-11-13T05:56:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![sakashita](https://avatars.discourse-cdn.com/v4/letter/s/8baadc/32.png) [@sakashita](https://devforum.zoom.us/u/sakashita)\
**Post date:** [November 13, 2020, 5:56am UTC](https://devforum.zoom.us/t/lang-parameter-in-closed-caption-api-document-why-jp-jp-for-japanese/35923/1 "2020-11-13T05:56:09Z")

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**Description**  
In examples of lang parameter (on closed caption API page), Japanese is shown as ‘jp-JP’.

Integrating a third-party closed captioning service – Zoom Help Center  
[https://support.zoom.us/hc/en-us/articles/115002212983-Integrating-a-third-party-closed-captioning-service](https://support.zoom.us/hc/en-us/articles/115002212983-Integrating-a-third-party-closed-captioning-service)

But I found in IANA registry:

> Type: language  
> Subtag: ja  
> Description: Japanese  
> Added: 2005-10-16  
> Suppress-Script: Jpan

Why it is ‘jp-JP’, not ‘ja-JP’ ?

**Error**  
no error.

**Which App Type (OAuth / Chatbot / JWT / Webhook)?**  
Closed Caption API

**Which Endpoint/s?**  
closedcaption

**How To Reproduce (If applicable)**  
(Question on document, no execution)

**Screenshots (If applicable)**  
(Question on document, no screenshots)

**Additional context**  
(nothing)

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**Author:** ![tommy](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tommy/32/72769_2.png) [@tommy](https://devforum.zoom.us/u/tommy)\
**Post date:** [November 13, 2020, 11:19pm UTC](https://devforum.zoom.us/t/lang-parameter-in-closed-caption-api-document-why-jp-jp-for-japanese/35923/2 "2020-11-13T23:19:53Z")

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Hey @sakashita,

Our support team would be able to best answer your question since they wrote that document! 🙂

Please reach out to [support.zoom.us](http://support.zoom.us).

Thanks,  
Tommy

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [December 14, 2020, 9:20am UTC](https://devforum.zoom.us/t/lang-parameter-in-closed-caption-api-document-why-jp-jp-for-japanese/35923/3 "2020-12-14T09:20:00Z")

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Closed on December 14, 2020, 9:20am UTC

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