# Help with Invalid redirect url error (4,700)

**URL:** <https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881>\
**Category:** API and Webhooks\
**Created:** [March 4, 2021, 5:57pm UTC](https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881 "2021-03-04T17:57:06Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![dario.mendoza](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/dario.mendoza/32/22931_2.png) [@dario.mendoza](https://devforum.zoom.us/u/dario.mendoza)\
**Post date:** [March 4, 2021, 5:57pm UTC](https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881/1 "2021-03-04T17:57:07Z")

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can you help me? I can’t register

 ![imagen](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/4/3/43e0f86bf217f07fd0f9b1d1e6a5f04a26292a44.png)

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**Author:** ![dario.mendoza](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/dario.mendoza/32/22931_2.png) [@dario.mendoza](https://devforum.zoom.us/u/dario.mendoza)\
**Post date:** [March 4, 2021, 6:41pm UTC](https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881/2 "2021-03-04T18:41:55Z")

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[Error - Zoom](https://zoom.us/oauth/signin?_rnd=1614883281523&client_id=FgPoRsUoRfy5J2dKsy3IFA&redirect_uri=https%3A%2F%2Flocalhost%3A51917%2Fzoom%2Foauthredirect&response_type=code&_x_zm_rtaid=B9M3hd3MQjmv6CKUUrqzfg.1614883281523.23365f0ed185e38c89ef1982056dd72f&_x_zm_rhtaid=693)

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**Author:** ![dario.mendoza](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/dario.mendoza/32/22931_2.png) [@dario.mendoza](https://devforum.zoom.us/u/dario.mendoza)\
**Post date:** [March 4, 2021, 6:48pm UTC](https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881/3 "2021-03-04T18:48:46Z")

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dario.mendoza@thsd.com.mx

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**Author:** ![dario.mendoza](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/dario.mendoza/32/22931_2.png) [@dario.mendoza](https://devforum.zoom.us/u/dario.mendoza)\
**Post date:** [March 4, 2021, 6:50pm UTC](https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881/4 "2021-03-04T18:50:36Z")

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![imagen](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/b/b/bb87fd679ae2b16cbcd5024a98178ac6dfe6e3d9.png)

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**Author:** ![MaxM](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/maxm/32/42303_2.png) [@MaxM](https://devforum.zoom.us/u/MaxM)\
**Post date:** [March 5, 2021, 1:02am UTC](https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881/5 "2021-03-05T01:02:14Z")

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Hey @dario.mendoza,

Thank you for reaching out to the Zoom Developer Forum. We don’t currently support using a localhost URL as the redirect URL for OAuth. Instead, you can run a tool like [Ngrok](https://ngrok.com/) on your local system to expose an HTTPS secured URL that you can use for the redirect URL.

Please note, each time you start ngrok, the URL changes and will need to be updated in the app.

Let me know if that helps. 🙂

Thanks,  
Max

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**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:** [April 4, 2021, 11:03am UTC](https://devforum.zoom.us/t/help-with-invalid-redirect-url-error-4-700/44881/6 "2021-04-04T11:03:12Z")

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Closed on April 4, 2021, 11:03am UTC

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