# Set Authenication Header Dynamically

**URL:** <https://community.thunkable.com/t/set-authenication-header-dynamically/2237741>\
**Category:** Web API's\
**Tags:** beginner\
**Created:** [January 24, 2023, 1:24am UTC](https://community.thunkable.com/t/set-authenication-header-dynamically/2237741 "2023-01-24T01:24:41Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\
**Post date:** [January 24, 2023, 1:41am UTC](https://community.thunkable.com/t/set-authenication-header-dynamically/2237741/2 "2023-01-24T01:41:46Z")

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I believe you would need to do this with Javascript using the Web Viewer. This topic has a demo of that: [Base64 encoding in drag and drop - #9 by muneer](https://community.thunkable.com/t/base64-encoding-in-drag-and-drop/1694320/9)

And this has a script and screenshots: [[Solved] how do I base64 encode an image? - #2 by kartik14](https://community.thunkable.com/t/solved-how-do-i-base64-encode-an-image/1858457/2)

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