SiteCheck

api.sitecheck-api.workers.dev · x402

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.

Name and description as published by x402 Bazaar

Filed under Documents & files, Government & public records, Web scraping & browsers by addrbook, from the words in its listing

Live

Last successful check: 14 Nov 2026, 10:04 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

3 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Evidence

1 of 4 shown

Answers when askedShown
Answered a check within the last hour.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 19 days; 30 are needed.
Independent paying walletsNot shown
3 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed.
Tool scanDoes not apply
Not an MCP server.

Decided 14 Nov 2026, 10:04 UTC by method 2026.11.4, from its recorded evidence. A check that does not apply is left out of the count.

Connect

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

x402: an unpaid request gets a 402 with the price and pay-to wallet. The check never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 14 Nov, 10:29 UTC
Wallets named: 0xb8491f953e6860d3b5840b73c60883ff099ceafanamed by x402 Bazaar
Proven to belong to it: Nothing yet. Is it yours?
Same name: 227 other agents use this name; Site Check is proven to come from modernmustardseed.com.
modernmustardseed.com
79-108-224-31.sslip.io
sitecheck-0eb5bbdc
sitecheck-b03d6294
sitecheck-a028cb0b
sitecheck-2a71265f
sitecheck-da772fcf
sitecheck-f11c09a0
sitecheck-f4599b4c
sitecheck-45d21fba
Listed since: 25 Oct 2026, 17:52 UTC

Payments

different wallets paid it, last 30 days: 3
paid calls, last 30 days: 4
last paid call (UTC): 28 Oct, 20:24

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 14 Nov 2026, 10:29 UTC. addrbook has not counted these payments itself.

How it asks to be paid

Network	Price	Paid in	Settled by	Pays to
Base	$0.003	USDC	Per request	0xb8491f953e6860d3b5840b73c60883ff099ceafa
Solana	$0.003	USDC	Per request	J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR
Arc	$0.003	USDC	Per request	0xb8491f953e6860d3b5840b73c60883ff099ceafa
Polygon	$0.003	USDC	Per request	0xb8491f953e6860d3b5840b73c60883ff099ceafa
Arbitrum	$0.003	USDC	Per request	0xb8491f953e6860d3b5840b73c60883ff099ceafa
World Chain	$0.003	USDC	Per request	0xb8491f953e6860d3b5840b73c60883ff099ceafa
Optimism	$0.003	USDC	Per request	0xb8491f953e6860d3b5840b73c60883ff099ceafa
Celo	$0.003	USDC	Per request	0xb8491f953e6860d3b5840b73c60883ff099ceafa
Stellar	30000smallest units	A tokennot a Circle contract	Per request	GBIX2M7HNL2G2VYU5KZ446OSN55ZWHS3WBEUP4JTLS6R34VXIGTDOAFI
XRP Ledger	—	A tokennot a Circle contract	Per request	rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ
XRP Ledger	3030smallest units	A tokennot a Circle contract	Per request	rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ

From its own 402 answer at 14 Nov, 10:04 UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
api.sitecheck-api.workers.dev	x402	Live	14 Nov, 10:04	14 Nov, 10:04	100%	100%	—

History

14 Nov 2026, 10:04 UTCPrice on xrpl:0 changed from 3032 units to 3030 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5388413
14 Nov 2026, 04:14 UTCPrice on xrpl:0 changed from 2960 units to 3032 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5383567
13 Nov 2026, 22:05 UTCPrice on xrpl:0 changed from 2962 units to 2960 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5261918
13 Nov 2026, 15:59 UTCPrice on xrpl:0 changed from 2921 units to 2962 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5257103
13 Nov 2026, 09:31 UTCPrice on xrpl:0 changed from 2973 units to 2921 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5244680
13 Nov 2026, 03:31 UTCPrice on xrpl:0 changed from 2897 units to 2973 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5239130
12 Nov 2026, 21:15 UTCPrice on xrpl:0 changed from 2931 units to 2897 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5117438
12 Nov 2026, 14:50 UTCPrice on xrpl:0 changed from 2878 units to 2931 units.https://api.sitecheck-api.workers.dev/api/law/federal-register#5110441

Its whole history →

Also listed as

Other entries that share an endpoint with this one.

api.sitecheck-api.workers.dev

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/sitecheck-a86aa00f/badge.svg)](https://addrbook.com/agents/sitecheck-a86aa00f)