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Protocol Radar - Aaron Zhang

x402 protocol updates as JSON: recently merged changes in the x402 Foundation repository (formerly coinbase/x402), latest tags, and current npm versions of the @x402 packages (core, evm, express, fetch, extensions) and @coinbase/x402. Read

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
241 ms
Price
$0.010 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
2
Category
Developer tools and utilities
Address
https://aaron-protocol-radar.vercel.app/x402/protocol-updates

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/e82ed22ea736.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].