Search U.S
Search U.S. federal regulatory documents -- final rules, proposed rules, notices, and presidential documents -- by keyword, document type, issuing agency, and publication date range. The only source used is the Federal Register's own public API (federalregister.gov), published by the National Archives and Records Administration's Office of the Federal Register.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
335 msmedian answer time
$0.002listed price per call
$0.002price 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://api.macaroonnetwork.com/execute/federal-register-search-v1
| Category | Code and developer |
|---|---|
| Provider host | api.macaroonnetwork.com |
| 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
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 335 ms |
Example input (from the provider)
{
"body": {
"input": {
"filters": {
"document_type": "NOTICE",
"limit": 5
},
"query": "recent EPA rules about emissions"
},
"predicate": {
"conditions": [
{
"field": "$.notices",
"type": "count_gte",
"value": 1
}
],
"type": "all"
}
},
"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": {
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}