# Can I set Web API's header value in Blocks?

**URL:** <https://community.thunkable.com/t/can-i-set-web-apis-header-value-in-blocks/40457>\
**Category:** Questions about Thunkable X\
**Created:** [August 11, 2018, 1:46am UTC](https://community.thunkable.com/t/can-i-set-web-apis-header-value-in-blocks/40457 "2018-08-11T01:46:29Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![chat9780](https://avatars.discourse-cdn.com/v4/letter/c/e95f7d/32.png) [@chat9780](https://community.thunkable.com/u/chat9780)\
**Post date:** [August 11, 2018, 1:46am UTC](https://community.thunkable.com/t/can-i-set-web-apis-header-value-in-blocks/40457/1 "2018-08-11T01:46:29Z")

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I knew it could be done in the Design screen… but I want to know how to dynamically set the header value? This aim to be able to query data from many external “Authentication required” APIs.

Thanks!

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**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\
**Post date:** [August 11, 2018, 7:09am UTC](https://community.thunkable.com/t/can-i-set-web-apis-header-value-in-blocks/40457/2 "2018-08-11T07:09:50Z")

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You can do this if the block exists for this. If there is no block with such a function, then you can not do it.

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**Author:** ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis)\
**Post date:** [November 8, 2024, 12:00pm UTC](https://community.thunkable.com/t/can-i-set-web-apis-header-value-in-blocks/40457/3 "2024-11-08T12:00:49Z")

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