# Zoom sample-web-app "Signature is invalid" 3712 error code

**URL:** <https://devforum.zoom.us/t/zoom-sample-web-app-signature-is-invalid-3712-error-code/40089>\
**Category:** Web\
**Created:** [January 8, 2021, 9:57pm UTC](https://devforum.zoom.us/t/zoom-sample-web-app-signature-is-invalid-3712-error-code/40089 "2021-01-08T21:57:51Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![wizard\_files3](https://avatars.discourse-cdn.com/v4/letter/w/a587f6/32.png) [@wizard\_files3](https://devforum.zoom.us/u/wizard_files3)\
**Post date:** [January 8, 2021, 10:00pm UTC](https://devforum.zoom.us/t/zoom-sample-web-app-signature-is-invalid-3712-error-code/40089/3 "2021-01-08T22:00:56Z")

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![Screen Shot 2021-01-08 at 2.00.26 PM](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/d/f/dfddc983e5bd6a387c12b407a254b14241da29d5.png)

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