Protocol Coming soon
Live x402 flow
The full HTTP 402 exchange as it happens, from the initial challenge through to a settled request.
Coming soon
Evidence not yet captured
End-to-end capture of a complete x402 request/response cycle.
Demo
Evidence
What 402 Sentry does, shown rather than described — the protocol exchange, the on-chain record, and the decision behind it.
On-chain Coming soon
Base Sepolia transaction proof
The settlement transaction on Base Sepolia, with its on-chain record.
Coming soon
Evidence not yet captured
A funded test-chain transaction. None has been executed yet.
On-chain Coming soon
BaseScan reference
The independently verifiable explorer view of the same transaction.
Coming soon
Evidence not yet captured
Transaction hash and BaseScan URL, available once the transaction above exists.
Execution Coming soon
Buyer and seller execution
Both sides of the exchange, showing what each party sent and received.
Coming soon
Evidence not yet captured
Paired buyer-side and seller-side execution logs from a single run.
Product Coming soon
402 Sentry decision
The decision 402 Sentry returned for the request, and the reasoning behind it.
Coming soon
Evidence not yet captured
A decision record from a real evaluated request.
Product Coming soon
Dashboard and event stream
The operator view: events as they arrive, and the state they produce.
Coming soon
Evidence not yet captured
Dashboard screenshot showing a populated event stream.