Verify whether an official SEC filing supports a financial claim
Verify whether an official SEC filing supports a financial claim. Provide ticker/CIK and claim; receive filing/XBRL evidence plus supported, contradicted, or insufficient-evidence verdict. 10-Q / 10-K / XBRL fact verification. Not a data feed, stock picker, or investment advice.
50000 (raw units)
price
3
calls / 30d
2
unique payers
2026-08-30
updated
Provider
sec-filing-proof.mattskowronis.workers.dev · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x22B3D4485C8Dcd8FC4840a7570664747c9055530",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "50000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"claim": "Revenue increased year over year in the latest reported quarter.",
"ticker": "AAPL"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"cik": "0000320193",
"claim": "Revenue increased year over year in the latest reported quarter.",
"company": "Apple Inc.",
"evidence": [
{
"accession": "0000320193-26-000006",
"concept": "RevenueFromContractWithCustomerExcludingAssessedTax",
"filing": "10-Q",
"label": "Revenue from Contract with Customer, Excluding Assessed Tax",
"normalized_value": 100000000000,
"period_end": "2025-12-27",
"period_start": "2025-09-28",
"polarity": "supports",
"source_url": "https://www.sec.gov/Archives/edgar/data/320193/000032019326000006/0000320193-26-000006-index.htm",
"unit": "USD",
"value": 100000000000
}
],
"filing_date": "2026-01-30",
"filing_type": "10-Q",
"period": "latest_quarter",
"period_end": "2025-12-27",
"period_start": "2025-09-28",
"reasoning_summary": "Latest quarterly revenue exceeded the comparable prior-year quarter in official XBRL facts.",
"retrieved_at": "2026-08-19T13:00:00.000Z",
"service_version": "1.0.0",
"source_status": "verified",
"source_urls": [
"https://www.sec.gov/Archives/edgar/data/320193/000032019326000006/0000320193-26-000006-index.htm",
"https://data.sec.gov/api/xbrl/companyfacts/CIK0000320193.json"
],
"ticker": "AAPL",
"verdict": "supported"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"cik": {
"description": "SEC Central Index Key. Provide ticker or CIK.",
"maxLength": 10,
"type": "string"
},
"claim": {
"description": "One atomic financial claim to check against official SEC filings.",
"maxLength": 500,
"minLength": 3,
"type": "string"
},
"ticker": {
"description": "Issuer ticker symbol. Provide ticker or CIK.",
"maxLength": 12,
"type": "string"
}
},
"required": [
"claim"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"cik": {
"type": [
"string",
"null"
]
},
"claim": {
"type": "string"
},
"company": {
"type": [
"string",
"null"
]
},
"evidence": {
"items": {
"additionalProperties": false,
"properties": {
"accession": {
"type": [
"string",
"null"
]
},
"concept": {
"type": "string"
},
"filing": {
"type": [
"string",
"null"
]
},
"label": {
"type": [
"string",
"null"
]
},
"normalized_value": {
"type": [
"number",
"null"
]
},
"period_end": {
"type": [
"string",
"null"
]
},
"period_start": {
"type": [
"string",
"null"
]
},
"polarity": {
"enum": [
"supports",
"contradicts",
"neutral"
],
"type": "string"
},
"source_url": {
"type": [
"string",
"null"
]
},
"unit": {
"type": "string"
},
"value": {
"type": "number"
}
},
"required": [
"concept",
"label",
"value",
"unit",
"normalized_value",
"period_start",
"period_end",
"filing",
"accession",
"source_url",
"polarity"
],
"type": "object"
},
"maxItems": 4,
"type": "array"
},
"filing_date": {
"type": [
"string",
"null"
]
},
"filing_type": {
"type": [
"string",
"null"
]
},
"period": {
"type": [
"string",
"null"
]
},
"period_end": {
"type": [
"string",
"null"
]
},
"period_start": {
"type": [
"string",
"null"
]
},
"reasoning_summary": {
"maxLength": 400,
"type": "string"
},
"retrieved_at": {
"type": "string"
},
"service_version": {
"type": "string"
},
"source_status": {
"enum": [
"verified",
"company_not_found",
"filing_not_found",
"sec_unavailable",
"unsupported_claim_type"
],
"type": "string"
},
"source_urls": {
"items": {
"type": "string"
},
"type": "array"
},
"ticker": {
"type": [
"string",
"null"
]
},
"verdict": {
"enum": [
"supported",
"contradicted",
"insufficient_evidence",
"ambiguous_period",
"ambiguous_concept"
],
"type": "string"
}
},
"required": [
"verdict",
"source_status",
"company",
"ticker",
"cik",
"filing_type",
"filing_date",
"period",
"period_start",
"period_end",
"claim",
"evidence",
"source_urls",
"reasoning_summary",
"retrieved_at",
"service_version"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://sec-filing-proof.mattskowronis.workers.dev/v1/verify" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://sec-filing-proof.mattskowronis.workers.dev/v1/verify");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://sec-filing-proof.mattskowronis.workers.dev/v1/verify")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/12348.json, and this resource appears in /discovery/resources and /discovery/search.