curl --request GET \
  --url https://api.social-api.ai/v1/events/summary \
  --header 'Authorization: <api-key>'

{
  "by_category": {},
  "by_error_category": {},
  "failed": 123,
  "inbox_breakdown": {},
  "retention_days": 123,
  "total": 123,
  "total_previous": 123
}