# Issue Regarding Meeting SDK

**URL:** <https://devforum.zoom.us/t/issue-regarding-meeting-sdk/145138>\
**Category:** Web\
**Created:** [July 29, 2026, 11:36am UTC](https://devforum.zoom.us/t/issue-regarding-meeting-sdk/145138 "2026-07-29T11:36:02Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![avinash.moharil](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/avinash.moharil/32/34992_2.png) [@avinash.moharil](https://devforum.zoom.us/u/avinash.moharil)\
**Post date:** [July 29, 2026, 11:36am UTC](https://devforum.zoom.us/t/issue-regarding-meeting-sdk/145138/1 "2026-07-29T11:36:02Z")

</div>

**Getting Issue while joining meet via Meeting SDK :**

I created a Zoom app and used its credentials to create a Zoom meeting and generate the Meeting SDK signature. However, when I try to join the meeting, I receive an **“Invalid Signature”** error.

I have thoroughly reviewed both the official Zoom documentation and the Meeting SDK sample repository, and my implementation matches the recommended approach. To verify my code, I created a new Zoom app using the same implementation, and it worked correctly initially.

However, after some days, the newly created app also started returning the same **“Invalid Signature”** error without any changes to the implementation.

Could you please help me understand what might be causing this issue? I have attached screenshots for reference.

### 

 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/4/e/4e5b152e9d093a81e97f48bcfb06557f8e0382fd.png)

---

<div class="post-metadata">

**Author:** ![chunsiong.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/chunsiong.zoom/32/35488_2.png) [@chunsiong.zoom](https://devforum.zoom.us/u/chunsiong.zoom)\
**Post date:** [July 31, 2026, 5:00am UTC](https://devforum.zoom.us/t/issue-regarding-meeting-sdk/145138/2 "2026-07-31T05:00:13Z")

</div>

@avinash.moharil can you capture the tracking ID and share it here?

 ![Screenshot 2023-11-16 at 2.54.58 PM](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/8/1/81c7966409dabbaba25282e238c0390cdb186c9b.png)

Are you also generating a fresh signature everytime you are joining a meeting? I’m trying to rule out the possiblity of expired signature.