Unable to get the user and group permissions of the repository using REST API

[venkatesh.monangi]

I am working on the Bitbucket repository (Cloud) for a couple of actions to perform on it. Like getting the repository details and applying some changes to existing repositories based on conditions. In our workspace, we have around 2000+ repositories and thus we need some automation to do some changes.

Currently, I am able to fetch details like
- getting members
- getting repositories
- getting branches and it's restrictions
- etc...
Likewise, I am trying to get the `user and group permissions` of each repository. To achieve the same, I have referred bitbucket rest api doc and I found
https://developer.atlassian.com/server/bitbucket/rest/v807/api-group-permission-management/#api-api-latest-projects-projectkey-repos-repositoryslug-permissions-groups-get.
But, with that it's returning `404` error even though I am using admin-user and the repository exists.

Here is the example, I am getting branch restrictions with the below RESTAPI successfully but not for `user and group permissions`.

`curl -u {user}:{password} https://api.bitbucket.org/2.0/repositories/{workspace}/{repo-slug}/branch-restrictions/`

I am able to fetch the branch restrictions of the repository.
But, when I hit below REST API - Getting a 404 error

`curl -u {user}:{password} https://api.bitbucket.org/2.0/repositories/{workspace}/{repo-slug}/permissions/groups/`

`{"type": "error", "error": {"message": "Resource not found", "detail": "There is no API hosted at this URL.\n\nFor information about our API's, please refer to the documentation at: https://developer.atlassian.com/bitbucket/api/2/reference/"}}% `