curl -L -X GET 'https://apis.roblox.com/cloud/v2/groups/{group_id}/join-requests?maxPageSize=10&pageToken={string}&filter={string}' \
  -H 'x-api-key: {your-api-key}'

{
  "groupJoinRequests": [
    {
      "path": "groups/123/join-requests/123",
      "createTime": "2023-07-05T12:34:56Z",
      "user": "users/156"
    }
  ],
  "nextPageToken": "string"
}

curl -L -X POST 'https://apis.roblox.com/cloud/v2/groups/{group_id}/join-requests/{join_request_id}:accept' \
  -H 'x-api-key: {your-api-key}' \
  -H 'Content-Type: application/json' \
  --data '{}'

curl -L -X POST 'https://apis.roblox.com/cloud/v2/groups/{group_id}/join-requests/{join_request_id}:decline' \
  -H 'x-api-key: {your-api-key}' \
  -H 'Content-Type: application/json' \
  --data '{}'