Built on x402
The enterprise classification platform where compliance experts refine AI analysis in real time. Grounded in live government regulations.
const res = await fetch(
"https://api.exchek.us/api/classify/start-free",
{
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ walletAddress: "0xYourWalletAddress" }),
}
);
const { jobId } = await res.json();Live API
First classification free per wallet. Then pay per classification with x402. Human-in-the-loop on every determination.
[ What we offer ]
You review jurisdiction and ECCN. AI proposes; you validate. Every determination is signed off by a human.
15 CFR Part 774 (CCL) and 22 CFR Part 121 (USML). Direct integration with eCFR.gov—always current.
Download complete documentation with review trail, citations, and classification rationale.
REST API with x402. Install the ExChek skill in Claude Code; classify from your agent with USDC on Base.
[ By the numbers ]
[ Use Cases ]
Human-in-the-loop classification with live eCFR. Use the API or the Claude skill.
Classify items with AI-assisted jurisdiction and Order of Review. You confirm every step; get audit-ready reports in minutes.
Call the ExChek API (x402) from your app or Claude. Install the skill, fund with USDC on Base, and classify via Adjudicator-in-the-Loop.
Every refinement and decision documented with full regulatory citations. Export and archive for auditors.
[ How it works ]
POST start-free or start (x402) → get jobId
Submit info → confirm jurisdiction → Order of Review → approve → report
[ Pricing ]
Start free. Pay per classification after that. No subscriptions.
For getting started
Pay per classification
Per classification
[ FAQ ]
ExChek is an AI-powered ECCN classification platform with human-in-the-loop. You get live eCFR (15 CFR 774, 22 CFR 121), jurisdiction and Order of Review analysis, and audit-ready reports. Use the API (x402) or the Claude skill to classify from your app or agent.
Install the ExChek skill in Claude Code (or call the API directly), fund your wallet with USDC on Base, and start your first free classification. See Quickstart and Install the skill.
AI proposes jurisdiction and ECCN using live eCFR data; you review and confirm every step. You stay in control while speeding up the process. All decisions are documented for auditors.
[ Get started ]
Install the skill or call the API. First classification is free.
Add skill to ~/.claude/skills/exchek-classify (Claude Code)Add the skill to Claude Code from the repo. The skill guides Claude to call api.exchek.us and run the Adjudicator-in-the-Loop flow.
Install the skill →Fund with USDC on Base (Coinbase, Pay Sponge, or another gateway). First classification is free per wallet; after that, pay per classification via x402.
Funding options →Ask your agent to classify an item, or call the API: start-free with your wallet address, then submit info, confirm jurisdiction, and approve for the report.
Quickstart →