{"name":"jarvis-ai-market-402-example","version":"1.67.0","role":"marketplace","purpose":"Example unpaid listing probe outcome. Prefer live GET /listings/challenge over this static sample.","unpaidPostListings":{"method":"POST","url":"https://x402-research.kgy5612.workers.dev/listings","status":402,"header":"PAYMENT-REQUIRED","bodyMayBeEmptyObject":true,"listingFeeUsdc":"0.10","payTo":"0x66890857dc33D5066c28AadBeb7CD078F50799A3","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","amountAtomic":"100000","ttlDays":30},"next":{"challenge":"https://x402-research.kgy5612.workers.dev/listings/challenge","fee":"https://x402-research.kgy5612.workers.dev/fee.json","validate":"https://x402-research.kgy5612.workers.dev/listings/validate","curl":"https://x402-research.kgy5612.workers.dev/curl.json"},"note":"After paying the listing fee on Base, retry POST /listings with PAYMENT-SIGNATURE. Sale payments go to sellerPayTo on the listed resource — never escrowed here."}