# Zoom Web SDK : Invalid Signature error

**URL:** <https://devforum.zoom.us/t/zoom-web-sdk-invalid-signature-error/138069>\
**Category:** API and Webhooks\
**Created:** [October 15, 2025, 12:52pm UTC](https://devforum.zoom.us/t/zoom-web-sdk-invalid-signature-error/138069 "2025-10-15T12:52:56Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![nmurray](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/nmurray/32/71756_2.png) [@nmurray](https://devforum.zoom.us/u/nmurray)\
**Post date:** [October 15, 2025, 12:52pm UTC](https://devforum.zoom.us/t/zoom-web-sdk-invalid-signature-error/138069/1 "2025-10-15T12:52:56Z")

</div>

#### Here is my zoom SDK app: [App Marketplace](https://marketplace.zoom.us/develop/apps/MaunPSh3RduXFUjvi3nvxA/information)

#### SDK Key: e4Jpu4gWHMZkzJxaBZMwKVi64S7lPZFz4ztH

#### Signature: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcHBLZXkiOiJlNEpwdTRnV0hNWmt6SnhhQlpNd0tWaTY0UzdsUFpGejR6dEgiLCJzZGtLZXkiOiJlNEpwdTRnV0hNWmt6SnhhQlpNd0tWaTY0UzdsUFpGejR6dEgiLCJtbiI6IjM4OTMxMDIxNTQiLCJyb2xlIjowLCJ0b2tlbkV4cCI6MTc2MDUwMzk5MiwiaWF0IjoxNzYwNTAwMzkyLCJleHAiOjE3NjA1MDM5OTJ9.KrDD-IhKtBSCkpdGndlWOBs2ITVkGJFY8S4hYcutqk4

#### i’ve tried to generate signature using this: [Meeting SDK Auth](https://developers.zoom.us/docs/meeting-sdk/auth/) and then i hard-code above signature and meeting number to this sample web : [GitHub - zoom/meetingsdk-web-sample: Zoom Meeting SDK web sample](https://github.com/zoom/meetingsdk-web-sample) the error i have is: { “status”: false, “errorCode”: 200, “errorMessage”: “Invalid signature.”, “result”: { “tid”: “v=2.0;clid=us06;rid=WEB\_e7fc7d8e97ba8126a4c9f3d48b0fa52d” } }

#### i see this request in debug console: [https://zoom.us/api/v1/wc/info?meetingNumber=3893102154&userName=CDN%234.0.7Linux%23chrome%2F141.0.0.0&passWord=&signature=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcHBLZXkiOiJlNEpwdTRnV0hNWmt6SnhhQlpNd0tWaTY0UzdsUFpGejR6dEgiLCJzZGtLZXkiOiJlNEpwdTRnV0hNWmt6SnhhQlpNd0tWaTY0UzdsUFpGejR6dEgiLCJtbiI6IjM4OTMxMDIxNTQiLCJyb2xlIjowLCJ0b2tlbkV4cCI6MTc2MDUwMTk4OSwiaWF0IjoxNzYwNDk4Mzg5LCJleHAiOjE3NjA1MDE5ODl9.pLHWr9ieIq3CKdSl7uhZWYZCVEqswXx39IPYmmK7iaU&apiKey=e4Jpu4gWHMZkzJxaBZMwKVi64S7lPZFz4ztH&lang=en-US&userEmail=&cv=4.0.7&proxy=1&sdkOrigin=aHR0cDovLzEyNy4wLjAuMTo5OTk5&tk=&ztk=&zsk=&ulsm=0&sdkUrl=aHR0cDovLzEyNy4wLjAuMTo5OTk5L21lZXRpbmcuaHRtbA&captcha=&captchaName=&suid=&corsHeader=false&signatureType=sdk&callback=localJsonpCallback1](https://zoom.us/api/v1/wc/info?meetingNumber=3893102154&userName=CDN%234.0.7Linux%23chrome%2F141.0.0.0&passWord=&signature=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcHBLZXkiOiJlNEpwdTRnV0hNWmt6SnhhQlpNd0tWaTY0UzdsUFpGejR6dEgiLCJzZGtLZXkiOiJlNEpwdTRnV0hNWmt6SnhhQlpNd0tWaTY0UzdsUFpGejR6dEgiLCJtbiI6IjM4OTMxMDIxNTQiLCJyb2xlIjowLCJ0b2tlbkV4cCI6MTc2MDUwMTk4OSwiaWF0IjoxNzYwNDk4Mzg5LCJleHAiOjE3NjA1MDE5ODl9.pLHWr9ieIq3CKdSl7uhZWYZCVEqswXx39IPYmmK7iaU&apiKey=e4Jpu4gWHMZkzJxaBZMwKVi64S7lPZFz4ztH&lang=en-US&userEmail=&cv=4.0.7&proxy=1&sdkOrigin=aHR0cDovLzEyNy4wLjAuMTo5OTk5&tk=&ztk=&zsk=&ulsm=0&sdkUrl=aHR0cDovLzEyNy4wLjAuMTo5OTk5L21lZXRpbmcuaHRtbA&captcha=&captchaName=&suid=&corsHeader=false&signatureType=sdk&callback=localJsonpCallback1) and the response body is above error

---

<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:** [October 28, 2025, 3:07am UTC](https://devforum.zoom.us/t/zoom-web-sdk-invalid-signature-error/138069/2 "2025-10-28T03:07:10Z")

</div>

> [@nmurray](#):
>
> WEB\_e7fc7d8e97ba8126a4c9f3d48b0fa52d

@nmurray did you enable Meeting SDK in your General App? This is a toggle in the embed page for your app found in [marketplace.zoom.us](http://marketplace.zoom.us)

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [October 31, 2026, 6:43pm UTC](https://devforum.zoom.us/t/zoom-web-sdk-invalid-signature-error/138069/3 "2026-10-31T18:43:10Z")

</div>

Closed on October 31, 2026, 6:43pm UTC

This topic was automatically closed 368 days after the last reply. New replies are no longer allowed.