A great benefit of the REST catalog is that it allows you to use a single client to talk to any catalog backend. See Iceberg Catalogs for more details
API's to be implemented - https://petstore.swagger.io/?url=https://raw.githubusercontent.com/akhilputhiry/iceberg-rest-metastore-api/main/spec.json
Can we use py iceberg ? - https://py.iceberg.apache.org/