# API Post JSON variable

**URL:** <https://forum.katalon.com/t/api-post-json-variable/61008>\
**Category:** Web Testing\
**Tags:** katalon-studio\
**Created:** [December 20, 2021, 10:33am UTC](https://forum.katalon.com/t/api-post-json-variable/61008 "2021-12-20T10:33:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![r3ndi88](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/r3ndi88/32/16104_2.png) [@r3ndi88](https://forum.katalon.com/u/r3ndi88)\
**Post date:** [December 20, 2021, 10:33am UTC](https://forum.katalon.com/t/api-post-json-variable/61008/1 "2021-12-20T10:33:41Z")

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Hi there..  
I need some advice.  
I want to Post API testing.. and I still failed to put some variable in JSON body

 ![image](https://europe1.discourse-cdn.com/katalon/original/3X/7/7/77fd6b6ddbe58c06aacca045e307c53c04862ec5.png)  
anyone can help ? or advice me some tutorial ?