How do we fetch the REST API Metadata for the instance

Summary

How do we fetch the REST API Metadata for the instance

Content

How do we fetch the REST API Metadata for the instance?

Referring to the documentation: https://docs.oracle.com/en/cloud/saas/sales/21a/faaps/Access_Metadata.html

https://servername.fa.us2.oraclecloud.com/fscmRestApi/resources/<version>/describe?metadataMode=list
https://servername.fa.us2.oraclecloud.com/fscmRestApi/resources/<version>/describe?metadataMode=minimal
https://servername.fa.us2.oraclecloud.com/crmRestApi/resources/<version>/<resource>/describe
https://servername.fa.us2.oraclecloud.com/crmRestApi/resources/<version>/describe

None of the above urls retrieves all the metadata in a BROWSER(Google Chrome). However if tested in POSTMAN/REST Client with basic authentication, it retrieves all the metadata.