curl --request GET \
  --url https://api.example.com/api/v1/workspaces/{workspace_id}/billing \
  --header 'X-API-Key: <api-key>'

{
  "billing_email": "<string>",
  "billing_period_end": "2023-11-07T05:31:56Z",
  "can_manage_subscription": true,
  "cancel_at": "2023-11-07T05:31:56Z",
  "extra_seats": 123,
  "over_org_limit": true,
  "over_repo_limit": true,
  "over_seat_limit": true,
  "plan": "<string>",
  "seat_count": 123,
  "seat_limit": 123,
  "stripe_enabled": true,
  "subscription_status": "<string>",
  "trial_ends_at": "2023-11-07T05:31:56Z"
}