Discover / us-regulations.use.x402atlas.com

US Federal Agencies

■ Challenge detected

US federal agency directory — the Federal Register's agency slugs, names, short names and parent-child links, searchable by substring. Use to find the slug an agency filter needs, e.g. environmental-protection-agency for the EPA.

Listed price
$0.005
Challenge detected
1 of the last check
Median response
18 ms
Last checked
22 Oct, 12:24 UTC
In our index since
22 Oct 2026

Endpoint

curl -i https://us-regulations.use.x402atlas.com/agencies
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
5 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://us-regulations.use.x402atlas.com

  • GET/agenciesNo price listedUS federal agency directory — the Federal Register's agency slugs, names, short names and parent-child links, searchable by substring. Use to find the slug an agency filter needs, e.g. environmental-protection-agency for the EPA.
  • GET/recentNo price listedUS federal regulation updates feed — Federal Register documents an agency published in the last N days, newest first, with type, abstract, effective date and comment deadline. Use to monitor the EPA, SEC, FDA or any agency for new rules, proposed rules and notices.
  • GET/countsNo price listedUS federal regulation counts — how many Federal Register documents match a search, grouped by agency, document type, year, quarter, month, topic or section, with the same filters as the search. Use to see which agencies regulate a subject, how rulemaking activity moved over time, or which topics a term touches.
  • GET/public-inspectionNo price listedUS federal regulations in the pipeline — documents on public inspection at the Federal Register, filed by agencies and scheduled to publish, with type, agencies, filing time and the scheduled date. Use to see tomorrow's rules, notices and executive orders before they are published.
  • GET/searchNo price listedUS federal regulation search — find Federal Register rules, proposed rules, notices and presidential documents by full text, agency, type, date, docket, RIN, significance or CFR part, with abstract, effective date, comment deadline and official links for each. Use to check whether a rule exists on a subject, what an agency has issued, or when a comment period closes.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 5 of 5 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/us-regulations.use.x402atlas.com

Recent checks

22 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.22 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
22 Oct, 12:24 UTCChallenge detected40218ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 22 Oct, 12:24 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for US Federal Agencies?

Its listed price is $0.005.

What payment terms does US Federal Agencies advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is US Federal Agencies listed?

In x402 Bazaar. Superstables first indexed it on 22 Oct 2026.

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