Search newest U
Search newest U.S. Federal Register document metadata by topic, agency, type, and publication date, returning bounded regulatory notices, rules, proposed rules, presidential documents, and links to FederalRegister.gov and official govinfo.gov PDFs.
20000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-01
updated
Provider
apiacre.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
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"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "20000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"agency_slugs": [
"commerce-department"
],
"document_types": [
"NOTICE",
"PRORULE"
],
"max_results": 10,
"published_from": "2026-01-01",
"query": "artificial intelligence"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data": {
"description": "Documents matching 'artificial intelligence', published on or after 01/01/202...",
"disclaimer": "Public regulatory-document discovery for research only; verify the linked off...",
"documentation": "https://www.federalregister.gov/developers/documentation/api/v1",
"documents": [
{
"citation": "91 FR 52042",
"documentNumber": "2026-16371",
"publicationDate": "2026-08-12",
"title": "Request for Information (RFI) on Modernizing the National Vulnerability Datab...",
"type": "Notice"
}
],
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],
"query": {
"agencySlugs": [
"commerce-department"
],
"documentTypes": [
"NOTICE",
"PRORULE"
],
"publishedFrom": "2026-01-01",
"publishedTo": null,
"term": "artificial intelligence"
},
"retrievedAt": "2026-08-13T00:00:00Z",
"source": "https://www.federalregister.gov/api/v1/documents.json",
"totalMatches": 12
},
"meta": {
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"service": "research.federal-register-search",
"version": "1"
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}
},
"schema": {
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"properties": {
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},
"max_results": {
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},
"published_from": {
"anyOf": [
{
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{
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}
]
},
"published_to": {
"anyOf": [
{
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{
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}
]
},
"query": {
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},
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"type": "object"
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"bodyType": {
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}
},
"required": [
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"method",
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"body"
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"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"description": {
"type": [
"string",
"null"
]
},
"disclaimer": {
"type": "string"
},
"documentation": {
"type": "string"
},
"documents": {
"items": {},
"type": "array"
},
"documentsReturned": {
"type": "integer"
},
"documentsTruncated": {
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"type": "array"
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"query": {
"type": "object"
},
"retrievedAt": {
"type": "string"
},
"source": {
"type": "string"
},
"totalMatches": {
"type": "integer"
}
},
"type": "object"
},
"meta": {
"properties": {
"cached": {
"type": "boolean"
},
"duration_ms": {
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},
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},
"type": "array"
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"sources": {
"items": {
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},
"type": "array"
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"warnings": {
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"type": "object"
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"service": {
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"version": {
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"required": [
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"version",
"data",
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"type": {
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}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
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"payment-identifier": {
"info": {
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},
"schema": {
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"properties": {
"id": {
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"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
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}
},
"required": [
"required"
],
"type": "object"
}
}
}Use it
curl
curl "https://apiacre.com/v1/research/federal-register-search" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://apiacre.com/v1/research/federal-register-search");
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://apiacre.com/v1/research/federal-register-search")
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/2556.json, and this resource appears in /discovery/resources and /discovery/search.