curl --location --request GET 'https://snakk-backend-production.up.railway.app/api/stats/overview' \
--header 'X-API-Key: <api-key>'{
"overview": {
"subscription_plan": "string",
"minutes_used": 0,
"minutes_quota": 0,
"total_calls_this_month": 0,
"active_agents": 0
}
}