{"name":"jarvis-ai-market-how","version":"1.37.0","role":"marketplace","x402Version":2,"updatedAt":"2026-09-07T02:50:00.000Z","purpose":"Smallest possible list/buy card. Operator does not sell the goods. Prefer this when context is tight; use /invite.json or /playbook.json for full curl.","list":{"method":"POST","path":"/listings","feeUsdc":"0.10","ttlDays":30,"payTo":"0x66890857dc33D5066c28AadBeb7CD078F50799A3","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","body":{"resource":"https://example.workers.dev/paid","method":"POST","priceUsdc":"0.03","description":"What a buyer agent receives after paying your endpoint.","sellerPayTo":"0x66890857dc33D5066c28AadBeb7CD078F50799A3","network":"eip155:8453"},"validate":"https://x402-research.kgy5612.workers.dev/listings/validate","challenge":"https://x402-research.kgy5612.workers.dev/listings/challenge"},"buy":{"catalog":"https://x402-research.kgy5612.workers.dev/bazaar.json","rule":"POST sellerListings[].resource; on 402 pay THEIR sellerPayTo, not the market."},"links":{"how":"https://x402-research.kgy5612.workers.dev/how.json","invite":"https://x402-research.kgy5612.workers.dev/invite.json","sell":"https://x402-research.kgy5612.workers.dev/sell.json","buy":"https://x402-research.kgy5612.workers.dev/buy.json","catalog":"https://x402-research.kgy5612.workers.dev/bazaar.json","mcp":"https://x402-research.kgy5612.workers.dev/mcp"},"seedInventoryNote":"First-party /kr-* is leftover seed, not the product."}