Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

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Hi, I will try to find a list of the common error that respond from Hydra such as request_unauthorized

<https://github.com/ory/fosite/blob/cf02af977681fd667b33f8e131891f6746d0b9da/errors.go>

I did not see any error_code related to request_unauthorized or reject_unauthorzed

Hey <@U01TM2PEV7S> they are named a bit differently in fosite, look here :
<https://github.com/ory/fosite/blob/cf02af977681fd667b33f8e131891f6746d0b9da/errors.go#L137>

or in hydra: <https://github.com/ory/hydra/blob/c8eb2e265c8c1c996464387ab66b2e2a7a08bd4e/oauth2/handler_test.go#L205>

I meant that you can look it up either in Fosite (which is a base package of Hydra) or in Hydra directly :slightly_smiling_face:
The errors.go that Stepan posted should be the best place to look.

<@U011D3UQKNY> <@U01QGLU1DNY> Thanks :slightly_smiling_face:

Sure!
Out of curiousity <@U01TM2PEV7S>, are you already using Hydra in some production env or in development stages? Feel free to DM me :wink: