Short Seller Report API.
Hindenburg, Muddy Waters, Citron, Iceberg, and every named short seller report — detected the moment they publish. Track allegations, company responses, and regulatory follow-through as typed events.
Every event_type in short_seller.
Each type emits the same envelope with a family-specific payload. Subscribe to the whole family or filter to specific types.
short_report_publishedNamed short seller publishes a research report alleging fraud or overvaluation.
company_response_issuedTarget company issues a formal rebuttal or response.
regulator_investigation_openedSEC or other regulator opens an investigation following a short report.
short_position_disclosedShort seller discloses position size or changes.
lawsuit_filedTarget company sues short seller, or class action filed.
One real event. Full JSON payload.
This is the exact shape you'd receive via GET /v1/events or via a signed webhook delivery.
Request
// Query all short_seller events in the last 14 days GET /v1/events?family=short_seller&event_types=short_report_published&since=2026-04-01 Authorization: Bearer hf_live_...
Response · 200 OK
{
"event_id": "evt_20260413_smci_short_seller",
"schema_version": "2026-04-20",
"event_type": "short_report_published",
"assertion_type": "fact",
"status": "official_announced",
"priority": "critical",
"entity": {
"ticker": "SMCI",
"name": "Super Micro Computer, Inc."
},
"lifecycle": {
"detected_at": "2026-04-13T13:42:18Z",
"announced_at": "2026-04-13",
"effective_at": "2026-04-13",
"confirmed_at": "2026-04-13"
},
"source": {
"type": "publisher",
"name": "Hindenburg · Muddy Waters · Citron",
"tier": "tier_1"
},
"summary": {
"one_line": "Hindenburg Research published a short report alleging accounting irregularities at Super Micro Computer."
},
"payload": {
"short_seller": "Hindenburg Research",
"report_title": "Super Micro: Accounting Red Flags and Undisclosed Related-Party Transactions",
"allegations": [
"revenue fabrication",
"related-party transactions",
"accounting irregularities"
],
"price_target": 0,
"report_url": "https://hindenburgresearch.com/supermicro"
},
"confidence": {
"overall": 0.98,
"identity": 0.99,
"event_classification": 0.98
}
}Recent short_seller events.
Pulled live from the public delayed feed. Click through to the full tape for payloads, lifecycle, and source links.
Ranked by authority, merged by entity.
Every event carries a source object. When the same event is confirmed by multiple sources, they merge into one canonical event with an evidence array.
Hindenburg · Muddy Waters · Citron
Direct from short seller websites and social accounts
Reuters · Bloomberg · FT
Coverage of reports and company responses
SEC 8-K responses
Target company formal responses via EDGAR
Federal and state courts
Defamation suits, class actions, SEC proceedings
Short seller X/Twitter
Publication announcements · confirmed with Tier 1
Short interest data
Exchange-reported SI changes correlated with reports
Family-specific fields inside payload.
All events share the same envelope (event_id, entity, lifecycle, sources, assertion_type, confidence). The payloadis what's specific to this family.
| Field | Type | Description | Example |
|---|---|---|---|
| payload.short_seller | string | Name of the short selling firm. | "Hindenburg Research" |
| payload.report_title | string | Title of the published report. | "Accounting Fraud Alleged" |
| payload.allegations | string[] | Key allegations made in the report. | ["revenue fabrication","undisclosed liabilities"] |
| payload.price_target | number? | Short seller’s stated price target, if any. | 0 |
| payload.report_url | string | URL to the published report. | "https://..." |
Start tracking short_seller events.
Developer tier from $99/mo. Real-time, webhooks, and 250-entity watchlists at $299 Pro.