Is Enterprise Connection OIDC client_secret_basic supported?

Hello,
I am trying to create an OIDC Enterprise connection via API (connection doesn’t support OIDC Discovery) following this documentation:

The problem I face is that the remote connection only supports
“token_endpoint_auth_methods_supported”:[“client_secret_basic”]
when requesting token_endpoint in code flow (back_channel)

And I suspect Auth0 is using “client_secret_post” method.

Is there any way to use “client_secret_basic” instead?

I tried to add “token_endpoint_auth_methods_supported”:[“client_secret_basic”] in “options” during my POST to /api/v2/connections but I get following error:

Unrecognized options: token_endpoint_auth_methods_supported

Thank you for your help,
Etienne

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Nothing here? Seems like FusionAuth is providing it natively

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