{"openapi":"3.1.0","info":{"title":"x402 Intelligence API","version":"1.0.0","description":"Machine-readable x402 market and seller attribution intelligence with structured metric provenance. Current and historical methods are distinguished; forensic signals are descriptive, not protocol or fraud proof. Exact-scheme x402 payments in USDC on Base and Base Sepolia; the protocol version this server speaks is declared in /.well-known/x402 and in the payment challenge."},"servers":[{"url":"https://api.x402intel.uk"}],"paths":{"/x402-market":{"get":{"operationId":"getX402Market","summary":"x402 market intelligence with current catalog-attributed USDC flow, address-level demand signals and separately labeled value-matched history. The headline covers Base only (market.universeChains); the multi-chain picture ships alongside it as ecosystem, split into an RPC-proven floor and an indexed upper bound that are not additive (notASum). Attribution is not exclusive protocol-intent proof.","description":"x402 market intelligence with current catalog-attributed USDC flow, address-level demand signals and separately labeled value-matched history. The headline covers Base only (market.universeChains); the multi-chain picture ships alongside it as ecosystem, split into an RPC-proven floor and an indexed upper bound that are not additive (notASum). Attribution is not exclusive protocol-intent proof.","x-payment-info":{"protocols":["x402"],"scheme":"x402","asset":"USDC","network":"base","payTo":"0x7b13107779CfDA1bEba3289d0Fbe27310436f3E3","price":{"mode":"fixed","currency":"USD","amount":"0.05"}},"responses":{"200":{"description":"x402 intelligence response"},"400":{"description":"Invalid path input"},"402":{"description":"Payment required (x402)"},"404":{"description":"Seller or route not found"},"503":{"description":"Required x402 data unavailable"}}}},"/x402-authenticity/{payTo}":{"get":{"operationId":"getX402Authenticity","summary":"x402 seller attribution intelligence: reported calls versus catalog-attributed on-chain USDC flow, payer-address concentration and forensic signals. Attribution is not protocol or fraud proof.","description":"x402 seller attribution intelligence: reported calls versus catalog-attributed on-chain USDC flow, payer-address concentration and forensic signals. Attribution is not protocol or fraud proof.","parameters":[{"name":"payTo","in":"path","required":true,"schema":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"},"description":"x402 seller payTo address on Base (20-byte hex address)."}],"x-payment-info":{"protocols":["x402"],"scheme":"x402","asset":"USDC","network":"base","payTo":"0x7b13107779CfDA1bEba3289d0Fbe27310436f3E3","price":{"mode":"fixed","currency":"USD","amount":"0.05"}},"responses":{"200":{"description":"x402 intelligence response"},"400":{"description":"Invalid path input"},"402":{"description":"Payment required (x402)"},"404":{"description":"Seller or route not found"},"503":{"description":"Required x402 data unavailable"}}}}}}