Which public companies name a given audit firm in their annual reports — exact-
Which public companies name a given audit firm in their annual reports — exact- phrase 10-K full-text join per registrant with filing counts and dates. Map auditor concentration and shared-auditor networks in one call.
Not tested: has real-world effectsour last check, 2026-09-24
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Endpoint
GET https://answerpool.io/v1/graph/auditor
| Category | Code and developer |
|---|---|
| Provider host | answerpool.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"name": "Deloitte"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"limit": {
"default": 25,
"maximum": 100,
"minimum": 1,
"title": "Limit",
"type": "integer"
},
"lookback_days": {
"default": 400,
"maximum": 1825,
"minimum": 30,
"title": "Lookback Days",
"type": "integer"
},
"name": {
"description": "Audit firm, e.g. \"Ernst & Young LLP\".",
"maxLength": 80,
"minLength": 3,
"title": "Name",
"type": "string"
}
},
"required": [
"name"
],
"title": "AuditorIn",
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"as_of": {
"title": "As Of",
"type": "string"
},
"auditor": {
"title": "Auditor",
"type": "string"
},
"companies": {
"items": {
"properties": {
"cik": {
"title": "Cik",
"type": "string"
},
"company": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Company"
},
"filings": {
"title": "Filings",
"type": "integer"
},
"forms": {
"items": {
"type": "string"
},
"title": "Forms",
"type": "array"
},
"latest_filed": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Latest Filed"
},
"matched": {
"items": {
"type": "string"
},
"title": "Matched",
"type": "array"
}
},
"required": [
"cik",
"company",
"filings",
"forms",
"latest_filed",
"matched"
],
"title": "CompanyHit",
"type": "object"
},
"title": "Companies",
"type": "array"
},
"count": {
"title": "Count",
"type": "integer"
},
"disclaimer": {
"default": "Entity relationships extracted from public SEC filings; heuristic text/index joins, not a legal governance or ownership record. Not investment advice.",
"title": "Disclaimer",
"type": "string"
},
"method_id": {
"default": "sec_graph_rules_v1",
"title": "Method Id",
"type": "string"
},
"note": {
"default": "Text-mention proxy: annual reports name their auditor in the audit report, but a mention can also occur in other contexts (predecessor auditor, litigation).",
"title": "Note",
"type": "string"
},
"total_filing_matches": {
"title": "Total Filing Matches",
"type": "integer"
}
},
"required": [
"as_of",
"auditor",
"total_filing_matches",
"count",
"companies"
],
"title": "AuditorOutput",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}