ToolAssay

Searches Federal Register documents via the official API (public domain)

Searches Federal Register documents via the official API (public domain). Filter by terms, agency slug, document type (rule, proposed rule, notice, presidential document) and date range. Each result includes title, document number, type, agencies, publication date, effective date, comment end date, abstract, and PDF/HTML URLs. `limit` max 50.

Answeringour last check, 2026-10-18
1 of 1checks answered this week
29 msmedian answer time
$0.003listed price per call
$0.003price 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

GET https://api.sitecheck-api.workers.dev/api/law/federal-register

CategoryEverything else
Provider hostapi.sitecheck-api.workers.dev
Networkseip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days2 from 2 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-18 valid payment request 402$0.003 29 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "limit": "5",
    "q": "cryptocurrency",
    "type": "RULE"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "agency": {
              "description": "Agency slug (e.g. securities-and-exchange-commission)",
              "type": "string"
            },
            "dateGte": {
              "description": "Publication date on or after (YYYY-MM-DD)",
              "type": "string"
            },
            "dateLte": {
              "description": "Publication date on or before (YYYY-MM-DD)",
              "type": "string"
            },
            "limit": {
              "description": "Max results (1\u201350, default 20)",
              "type": "string"
            },
            "q": {
              "description": "Keyword search terms (max 200 characters)",
              "type": "string"
            },
            "type": {
              "description": "Document type: RULE, PRORULE, NOTICE, PRESDOCU",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

This page as JSON