# Having trouble running sample app provided by Zoom

**URL:** <https://devforum.zoom.us/t/having-trouble-running-sample-app-provided-by-zoom/74983>\
**Category:** Zoom Apps\
**Tags:** sample-app\
**Created:** [August 27, 2022, 2:43am UTC](https://devforum.zoom.us/t/having-trouble-running-sample-app-provided-by-zoom/74983 "2022-08-27T02:43:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![royalti](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/royalti/32/40857_2.png) [@royalti](https://devforum.zoom.us/u/royalti)\
**Post date:** [August 27, 2022, 2:43am UTC](https://devforum.zoom.us/t/having-trouble-running-sample-app-provided-by-zoom/74983/1 "2022-08-27T02:43:27Z")

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Using [GitHub - zoom/zoomapps-advancedsample-react: This repository contains an Advanced Zoom Apps Sample. It should serve as a starting point for you to build and test your own Zoom App in development.](https://github.com/zoom/zoomapps-advancedsample-react) sample app

**Description**  
After cloning /zoom/zoomapps-advancedsample-react sand following the directions here. I am still having trouble installing the initial template app. I am currently getting this error:

Invalid redirect: /api/zoomapp/auth (4,700)

when using the testable url in dev app dashboard.

Thanks in advance.

**Error?**  
( when using the testable url from dev dashboard)  
Invalid redirect: /api/zoomapp/auth (4,700)

and

(when visiting /api/zoomapp/install)

# ERR\_NGROK\_3004

ngrok gateway error The server returned an invalid or incomplete HTTP response.

**Troubleshooting Routes**  
(found on /zoom/zoomapps-advancedsample-react).

**How To Reproduce**

1. git clone /zoom/zoomapps-advancedsample-react
2. ngrok http [https://localhost:8000](https://localhost:8000)
3. copy .envexample into new .env file
4. insert id, public url, secret, openssl
5. fill info in App Credentials tab per instructions on github
6. docker-compose up OR docker compose up (both yielded same result
7. go to /api/zoomapp/install
8. realize that doesn’t work and go to dev dashboard
9. go to zoom dev Local Test tab, click test, generate testable url
10. go to url

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<div class="post-metadata">

**Author:** ![royalti](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/royalti/32/40857_2.png) [@royalti](https://devforum.zoom.us/u/royalti)\
**Post date:** [August 29, 2022, 5:33pm UTC](https://devforum.zoom.us/t/having-trouble-running-sample-app-provided-by-zoom/74983/2 "2022-08-29T17:33:17Z")

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‘[https://localhost:3000](https://localhost:3000)’ not 8000

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**Author:** ![Joe.Yu](https://avatars.discourse-cdn.com/v4/letter/j/e480ec/32.png) [@Joe.Yu](https://devforum.zoom.us/u/Joe.Yu)\
**Post date:** [August 29, 2022, 9:38pm UTC](https://devforum.zoom.us/t/having-trouble-running-sample-app-provided-by-zoom/74983/3 "2022-08-29T21:38:50Z")

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Hi @royalti - did you add your `https://<your-ngrok-url>/api/zoomapp/auth` url under “Redirect URL for OAuth” in Marketplace?

I’d also consider giving `docker compose down && docker compose up --build` a try.

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<div class="post-metadata">

**Author:** ![royalti](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/royalti/32/40857_2.png) [@royalti](https://devforum.zoom.us/u/royalti)\
**Post date:** [August 29, 2022, 9:51pm UTC](https://devforum.zoom.us/t/having-trouble-running-sample-app-provided-by-zoom/74983/4 "2022-08-29T21:51:33Z")

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Yes, I did add the auth path to marketplace dashboard.

I will let you know how the docker commands go