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 guys, I am new on Hydra. I would like to get access_token with the public client by PKCE flow,  Here is the curl I use:                                                                                                                                   curl --location '<https://hydra-api/oauth2/token>' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'grant_type=authorization_code' \
--data-urlencode 'code=cZN66iW2Rw3XTTX52gDQzxhANQhuW_hnf3xBFphBQFg.TWD_vPQe_XEvEda5egc8BBXBJdsShSI4rXQiSTnw2R4' \
--data-urlencode 'redirect_uri=<http://localhost:9000/>' \
--data-urlencode 'code_verifier=1221212121211212122121123123123123123123123123123123123123123123123123123123123123123123123123' \
--data-urlencode 'client_id=657fd759-49ef-4d8c-9e33-54763b537e9e'.                     I assigned token_endpoint_auth_method as none. When I call it, I got the following error: *Client credentials missing or malformed in both HTTP Authorization header and HTTP POST body.*  Can you help me with that? I am totally blind.