i am using koha 21.11
enable all system preference for rest api's for koha. generate secret code and client id, give full rights to patron
enabled
RESTBasicAuth
RESTOAuth2ClientCredentials
RESTPublicAnonymousRequests
RESTPublicAPI

but when i access http://111.68.97.170:8005/api/v1/patrons/
error show {"error":"Authentication failure."}
am i missing something?
also enabled plack for koha
waiting for response

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Zahid