Rank filers by filing volume over any window up to five years, optionally per form — seria
Rank filers by filing volume over any window up to five years, optionally per form — serial Form D issuers, heaviest 8-K disclosers, most active registrants — from our historical index in one call.
20000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-02
updated
Provider
answerpool.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xb3ba3Ca99F9742b32fC527CF62688C83b39AED8c",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"days": 90,
"form": "D"
},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-08-31T16:30:00Z",
"filers": [
{
"cik": "0002150620",
"company": "Upfront Secondary II-C, L.P.",
"filings": 3
}
],
"form": "D",
"index_from": "2021-07-01",
"index_to": "2026-08-28",
"window_days": 90
},
"type": "json"
}
},
"schema": {
"$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": {
"days": {
"default": 90,
"maximum": 1830,
"minimum": 1,
"title": "Days",
"type": "integer"
},
"form": {
"anyOf": [
{
"maxLength": 12,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Form"
},
"limit": {
"default": 25,
"maximum": 100,
"minimum": 1,
"title": "Limit",
"type": "integer"
}
},
"title": "TopFilersIn",
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"as_of": {
"title": "As Of",
"type": "string"
},
"disclaimer": {
"default": "Derived from public SEC EDGAR filings; not investment advice.",
"title": "Disclaimer",
"type": "string"
},
"filers": {
"items": {
"properties": {
"cik": {
"title": "Cik",
"type": "string"
},
"company": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Company"
},
"filings": {
"title": "Filings",
"type": "integer"
}
},
"required": [
"cik",
"company",
"filings"
],
"title": "TopFilerRow",
"type": "object"
},
"title": "Filers",
"type": "array"
},
"form": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Form"
},
"index_from": {
"title": "Index From",
"type": "string"
},
"index_to": {
"title": "Index To",
"type": "string"
},
"method_id": {
"default": "sec_events_rules_v1",
"title": "Method Id",
"type": "string"
},
"window_days": {
"title": "Window Days",
"type": "integer"
}
},
"required": [
"as_of",
"index_from",
"index_to",
"window_days",
"form",
"filers"
],
"title": "TopFilersOutput",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://answerpool.io/v1/sec/filings/top" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://answerpool.io/v1/sec/filings/top");
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://answerpool.io/v1/sec/filings/top")
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/7759.json, and this resource appears in /discovery/resources and /discovery/search.