# The /authorize endpoint showing error with no reason

**URL:** <https://community.auth0.com/t/the-authorize-endpoint-showing-error-with-no-reason/194209>\
**Category:** Get Help\
**Tags:** classic-universal-login-experience, login-experience\
**Created:** [November 8, 2025, 9:48am UTC](https://community.auth0.com/t/the-authorize-endpoint-showing-error-with-no-reason/194209 "2025-11-08T09:48:01Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![danme](https://sea1.discourse-cdn.com/auth0/user_avatar/community.auth0.com/danme/32/33258_2.png) [@danme](https://community.auth0.com/u/danme)\
**Post date:** [November 8, 2025, 9:48am UTC](https://community.auth0.com/t/the-authorize-endpoint-showing-error-with-no-reason/194209/1 "2025-11-08T09:48:01Z")

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While our active app successfully passes authentication sessions (before the case), with no reason endpoint end up with error, and we can’t identify the issue.

[https://ACCOUNTDOMAIN.eu.auth0.com/authorize](https://ACCOUNTDOMAIN.eu.auth0.com/authorize)

the text says: There could be a misconfiguration in the system or a service outage. We track these errors automatically, but if the problem persists feel free to contact us.

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**Author:** ![vlad.murarasu](https://sea1.discourse-cdn.com/auth0/user_avatar/community.auth0.com/vlad.murarasu/32/72793_2.png) [@vlad.murarasu](https://community.auth0.com/u/vlad.murarasu)\
**Post date:** [November 10, 2025, 2:43pm UTC](https://community.auth0.com/t/the-authorize-endpoint-showing-error-with-no-reason/194209/3 "2025-11-10T14:43:53Z")

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Hi @danme,

Welcome to the Auth0 Community!

The `/authorize` endpoint must be called with specific parameters. Here is the official documentation for the endpoint with all the parameters.

> **[Auth0 Authentication API](https://auth0.com/docs/api/authentication/implicit-flow/authorize)**

If you have any further questions, please don’t hesitate to reach out.

Have a good one,  
Vlad

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<div class="post-metadata">

**Author:** ![danme](https://sea1.discourse-cdn.com/auth0/user_avatar/community.auth0.com/danme/32/33258_2.png) [@danme](https://community.auth0.com/u/danme)\
**Post date:** [November 10, 2025, 3:30pm UTC](https://community.auth0.com/t/the-authorize-endpoint-showing-error-with-no-reason/194209/4 "2025-11-10T15:30:15Z")

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Absolutely, you right, I was not engaged to find it in time.

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**Author:** ![system](https://global.discourse-cdn.com/auth0/original/3X/b/5/b560f266932fcce5d57f09a6595bd50518cae3f3.jpeg) [@system](https://community.auth0.com/u/system)\
**Post date:** [November 24, 2025, 3:30pm UTC](https://community.auth0.com/t/the-authorize-endpoint-showing-error-with-no-reason/194209/5 "2025-11-24T15:30:48Z")

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