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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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
350 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://apiacre.com/v1/research/federal-register-search
| Category | Search and research |
|---|---|
| Provider host | apiacre.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.02 | 350 ms |
Example input (from the provider)
{
"body": {
"agency_slugs": [
"commerce-department"
],
"document_types": [
"NOTICE",
"PRORULE"
],
"max_results": 10,
"published_from": "2026-01-01",
"query": "artificial intelligence"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"agency_slugs": {
"items": {
"type": "string"
},
"type": "array"
},
"document_types": {
"items": {
"enum": [
"RULE",
"PRORULE",
"NOTICE",
"PRESDOCU"
],
"type": "string"
},
"type": "array"
},
"max_results": {
"type": "integer"
},
"published_from": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"published_to": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"query": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"description": {
"type": [
"string",
"null"
]
},
"disclaimer": {
"type": "string"
},
"documentation": {
"type": "string"
},
"documents": {
"items": {},
"type": "array"
},
"documentsReturned": {
"type": "integer"
},
"documentsTruncated": {
"type": "boolean"
},
"limitations": {
"items": {},
"type": "array"
},
"query": {
"type": "object"
},
"retrievedAt": {
"type": "string"
},
"source": {
"type": "string"
},
"totalMatches": {
"type": "integer"
}
},
"type": "object"
},
"meta": {
"properties": {
"cached": {
"type": "boolean"
},
"duration_ms": {
"type": "integer"
},
"next_actions": {
"items": {
"type": "object"
},
"type": "array"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"duration_ms",
"cached",
"sources",
"warnings",
"next_actions"
],
"type": "object"
},
"request_id": {
"type": "string"
},
"service": {
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"request_id",
"service",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}