x402 Inspector scan (payment-challenge validation) — per call

{ "method": "POST", "schema": { "properties": { "url": { "description": "URL of the x402-protected endpoint to scan", "type": "string" } }, "required": [ "url" ], "type": "object" }, "type": "http" }

{ "example": { "clientExperience": { "complete": true }, "details": { "accepts": [ { "maxAmountRequired": "20000", "network": "base", "scheme": "exact" } ], "httpStatus": 402, "methodUsed": "GET", "x402Version": 2 }, "evidence": [ "Responded 402 with a well-formed x402 payment challenge" ], "payment": { "valid": true }, "status": "valid", "target": "https://example.com/paid-endpoint", "warnings": [] }, "schema": { "properties": { "clientExperience": { "description": "{ complete: boolean } — false when description/mimeType are missing, independent of payment validity", "type": "object" }, "details": { "description": "methodUsed, httpStatus, x402Version, accepts[], bodyHeaderDiff[], resourceMismatch", "type": "object" }, "driftWarnings": { "description": "payTo/amount changes since this endpoint was last observed, when a prior scan exists", "items": { "type": "string" }, "type": "array" }, "evidence": { "items": { "type": "string" }, "type": "array" }, "expectedResult": { "description": "Declared response shape, if the seller published a Bazaar discovery extension", "type": "object" }, "noChallengeReason": { "description": "Only present when status is no_challenge: no_challenge_http_403/404/500/200_plain, target_unreachable, method_not_allowed, or auth_required_non_x402", "type": "string" }, "payment": { "description": "{ valid: boolean } — present whenever a 402 was parsed, mirrors status === \"valid\"", "type": "object" }, "status": { "description": "valid, invalid, malformed, or no_challenge", "type": "string" }, "target": { "type": "string" }, "warnings": { "items": { "type": "string" }, "type": "array" } }, "type": "object" } }