active / delisted_candidate / removed). The universe refreshes quarterly; the daily snapshot cycle populates last_snapshot_date and snapshot_count per symbol from the latest manifest. Returns 503 when the upstream universe.json blob has not been published yet.x-api-key: ********************curl --location 'https://sugra.ai/api/v1/options/snapshot/universe' \
--header 'x-api-key: <api-key>'{
"data": {
"underliers": [
{
"symbol": "AAPL",
"name": "Apple Inc",
"type": "stock",
"asset_class": "string",
"category": "string",
"options_volume_rank": 0,
"status": "active",
"last_snapshot_date": "string",
"snapshot_count": 0,
"data_source": "string",
"reason": "string"
}
],
"total": 200,
"refreshed_at": "2026-04-15T10:00:00Z",
"universe_version": "string"
},
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "string",
"attribution": "string",
"fallback_used": true,
"fallback_chain": [
"string"
],
"cached": true,
"stale": true
}
}