{"name":"x402 Seller Audit","version":"x402-seller-audit-1","payTo_network":"eip155:8453 (Base USDC)","lint":{"url":"https://agents.avasis.ai/v1/x402/audit?url=<x402 endpoint>","price_usd":"0.25","what":"Lints the live 402: header/body challenge, x402Version, accepts[] (scheme, network, canonical USDC, payTo, amount, maxTimeoutSeconds, EIP-712 extra)."},"full":{"url":"https://agents.avasis.ai/v1/x402/audit/full?url=<x402 endpoint>","price_usd":"2.00","what":"lint + HEAD/POST parity + stability + CDP validator + Bazaar index.active + discovery files"},"traps":"Catches traps free validators miss: description > 500 chars (settle fails), PAYMENT-REQUIRED >= 16 KB (undici breaks), price over the $1 agent cap, unpaid 200 = free, no CORS expose, no bazaar schema.","charging":"Target unreachable/5xx -> 424/502, bad URL -> 400: never charged.","example":{"audit":"lint","version":"x402-seller-audit-1","url":"https://agents.avasis.ai/v1/quest/token-watch","final_url":"https://agents.avasis.ai/v1/quest/token-watch","method":"GET","http_status":402,"latency_ms":140,"x402_version":2,"challenge_source":"header","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"20000","usd":0.02,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x6264191D6dD5427435B5E829077842e130Ef1fc8","maxTimeoutSeconds":120}],"lowest_price_usd":0.02,"verdict":"conformant","score":100,"fails":0,"warns":0,"checks":[{"id":"http.402","status":"pass","detail":"unpaid request answers 402"},{"id":"header.size","status":"pass","detail":"PAYMENT-REQUIRED is 4568 bytes"},{"id":"description.length","status":"pass","detail":"description 412 chars"}],"fixes":[],"payment_attempted":false,"audit_ms":180}}