Market Intelligence API
GET https://api.marketintelligenceapi.com/api/v1/sec/fails-to-deliver/AAPL
Listed in x402 List · Data: x402-list.com (CC BY 4.0)
Fails to deliver of a US stock ($0.01): daily SEC data (up to 120 days), value, share of shares outstanding and the Reg SHO threshold pattern (10,000 shares and 0.5% for 5 days in a row) as a signal - THRESHOLD_LIKE, RECENT_THRESHOLD_LIKE, PERSISTENT_FAILS, OCCASIONAL_FAILS. Use before shorting or chasing a squeeze.
Other endpoints from api.marketintelligenceapi.com
The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://api.marketintelligenceapi.com/api/v1/sec/fails-to-deliver/AAPL"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-14 19:30 | Valid 402 | 402 | 523 ms | $0.01 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves