curl --request POST \
  --url https://api.gcore.com/cloud/v1/file_shares/{project_id}/{region_id}/check_limits \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "size": 5
}'

{
  "sfs_count_limit": 10,
  "sfs_count_requested": 1,
  "sfs_count_usage": 1,
  "sfs_size_limit": 100,
  "sfs_size_requested": 50,
  "sfs_size_usage": 90
}