Free tier: 25 calls/day per IP with header X-Free-Call: 1 (or ?free=1), then pay...
https://agents.crowdspark.me/v1/gov/federal-registerOverview
Free tier: 25 calls/day per IP with header X-Free-Call: 1 (or ?free=1), then pay per call. Search the US Federal Register: final rules, proposed rules, notices and presidential documents with title, agencies, publication date, effective date, comment deadline, docket IDs, abstract and links. Filter by keyword, type, agency slug and date range. Public domain data, no legal advice.
Protocol
x402
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
tools/search
Provider
Agent Tools
Source
self-registered
Indexed
2026-10-28 13:45:32
Health
Status
healthy
Latency (p50)
406ms
Uptime (30d)
98.5%
Reliability Score
89.2/100
Last Checked
2026-10-31 07:02:19
Last Healthy
2026-10-31 07:02:19
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"from": "2026-09-01",
"limit": "3",
"q": "artificial intelligence",
"type": "proposed_rule"
},
"type": "http"
}
Output Schema
{
"example": {
"documents": [
{
"agencies": [
"Treasury Department"
],
"comments_close_on": "2026-12-22",
"docket_ids": [
"Docket ID OCC-2025-0372"
],
"document_number": "2026-21706",
"effective_on": null,
"publication_date": "2026-10-23",
"title": "Example proposed rule",
"type": "Proposed Rule",
"url": "https://www.federalregister.gov/documents/2026/10/23/2026-21706/example"
}
],
"returned": 1,
"source": "federalregister.gov API (public domain)",
"total_matches": 42
},
"type": "json"
}