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

{
  "billing_period_end": "<string>",
  "extra_seats": 123,
  "features": {},
  "org_connections": {
    "limit": 123,
    "used": 123
  },
  "plan": "<string>",
  "repos": {
    "limit": 123,
    "used": 123
  },
  "seats": {
    "limit": 123,
    "used": 123
  },
  "subscription_status": "<string>"
}