Verify an SEC filing: given a filer's CIK and a claimed accession number, does t...
https://goodsong.dev/verify/filingOverview
Verify an SEC filing: given a filer's CIK and a claimed accession number, does that filing actually exist, and does its form type/filing date match what's claimed? Checked against SEC EDGAR's submissions API. Catches a fabricated or misattributed filing citation, including a real-looking accession number paired with an invented form type or date.
Protocol
x402 (POST)
Price
$0.0050
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
realcite-filing
Source
bazaar
Indexed
2026-09-04 02:14:35
Health
Status
healthy
Latency (p50)
381ms
Uptime (30d)
90.0%
Reliability Score
90/100
Last Checked
2026-10-28 00:23:42
Last Healthy
2026-10-28 00:23:42
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"body": {
"accession_number": "0000320193-23-000106",
"cik": "320193"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"canonical": {
"accession_number": "0000320193-23-000106",
"cik": "0000320193",
"company": "Apple Inc.",
"filing_date": "2023-11-03",
"form": "10-K",
"report_date": "2023-09-30"
},
"checks": {
"date_match": true,
"exists": true,
"form_match": true
},
"cost": {
"amount": "0.005",
"currency": "USDC"
},
"evidence": [
{
"retrieved_at": "2026-08-30T12:00:00Z",
"source": "sec_edgar",
"url": "https://data.sec.gov/submissions/CIK0000320193.json"
}
],
"latency_ms": 240,
"verdict": "confirmed"
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-28 00:23:42 | healthy | 402 | 188ms | |
| 2026-10-27 23:28:39 | healthy | 402 | 847ms | |
| 2026-10-27 22:28:34 | healthy | 402 | 1251ms | |
| 2026-10-27 21:26:34 | healthy | 402 | 381ms | |
| 2026-10-27 21:04:18 | healthy | 402 | 269ms | |
| 2026-10-27 20:06:05 | error | — | — | fetch failed |
| 2026-10-27 19:03:30 | degraded | 404 | 156ms | |
| 2026-10-26 09:51:04 | degraded | 404 | 994ms | |
| 2026-10-26 03:13:26 | degraded | 404 | 541ms | |
| 2026-10-25 09:50:49 | degraded | 404 | 130ms |