x402 site audit API for one origin. x402 site audit for one origin: finds your paid routes from /.well-known/x402 and /openapi.json (up to 8), checks each one unpaid (402 on GET and HEAD, v2 + v1 terms, accepts, Bazaar declaration) and flags drift between the discovery documents. Grade per route and for the site, with the top fixes. Search intents: x402 site audit, x402 discovery check, well-known x402 validator, openapi x402 drift, x402 route grades, paid api audit.

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