date is omitted. Each row carries security_type ('equity'|'debt'|'unknown'|null) and a DERIVED effective_date with effective_date_basis describing how it was derived. NOTE: the row cik is the FILER cik (for a 25-NSE that is the exchange, not the issuer). Retention 730 days; out-of-window date returns 422. Per-CIK /delistings/{cik} lookup is a planned fast-follow.x-api-key: ********************curl --location 'https://sugra.ai/api/v1/sec/edgar/delistings?date=undefined' \
--header 'x-api-key: <api-key>'{
"data": {
"date": "2026-05-19",
"sec_publish_date": "string",
"total_delistings": 7,
"delistings": [
{
"exchange": "string",
"issuer_name": "string",
"security_description": "string",
"rule_provision": "string",
"signature_date": "string",
"filed_by": "string",
"security_type": "string",
"effective_date": "string",
"effective_date_basis": "string",
"cik": "string",
"accession": "string",
"form": "string",
"filed_at": "string",
"primary_doc_url": "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
}
}