Unverified50% confidenceFactExact time
In the x402 flow, when the server returns a 402 response, the response body contains payment requirement metadata such as amount, currency, and payee address; the client parses this and automatically completes the payment, then resends the request with a payment proof.
1
Sources
50%
Confidence
Long-term
Relevance
10/8/2026
First Seen
Sources
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