Unverified50% confidenceFactExact time
In the x402 protocol, the facilitator is a separate intermediary service responsible for /verify, which checks the validity of the payment signature (amount, payee, validity period, nonce, etc.), and /settle, which broadcasts the transaction and pays gas to complete the USDC transfer.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe recalibration service is billed per use, uses USDC on the Base chain, and settles through the x402 payment protocol.72% similarUnverifiedThe x402 payment flow consists of four steps: initiating a request, receiving a 402 response with transaction terms, signing and retrying via the PAYMENT-SIGNATURE request header, and having the facilitator verify and settle on-chain before returning data along with a PAYMENT-RESPONSE receipt.70% similarUnverifiedIn the x402 protocol, the server declares the fee and payment address in the response header, and upon receiving a 402, the Agent automatically attaches an on-chain payment proof (typically a stablecoin transaction).70% similarUnverifiedThe combination of pay-per-inference + x402 protocol + managed payments may become the universal paradigm for future transactions between agents and service providers.64% similarUnverifiedThe logic of the batch settlement mechanism is: the agent opens a payment channel funded with USDC, authorizes requests one by one off-chain, and finally settles the cumulative total with a single on-chain transaction.64% similar
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