{"experiment":"x402-infer-memory-cohort-1","principles":{"private-key-required":false,"signup-required":false,"payment-reimbursed":false,"team-payments-count":false},"cohort-0":{"status":"accepting","capacity":5,"job":"paid Murakumo inference; measures wallet/payment friction","endpoint":"https://x402.nexus/gateway/murakumo/x402/v1/chat/completions?source=direct-agent","example-body":{"model":"qwen3.8-27b","max_tokens":64,"messages":[{"role":"user","content":"x402 paid inference probe"}]},"price":{"usd":"0.01","micros":"10000","asset":"USDC","network":"base","payTo":"0xA00366234D29d4F882088048c0B2fa0dB7302D4E"},"success-evidence":"HTTP 2xx inference response plus X-PAYMENT-RESPONSE header"},"cohort-1":{"status":"accepting","capacity":15,"job":"inference + durable Kotobase memory CID + joined receipt","endpoint":"https://x402.nexus/gateway/murakumo/x402/v1/infer-memory?source=direct-agent"},"selected-source":"direct-agent","source-codes":["direct-agent","direct-depin","x402-community","base-demo","github-example","mcp-discovery","brave-browser-a","x-ads-a","reddit-ads-a","google-search-a"],"instructions":["POST the endpoint without payment to receive the exact 402 challenge.","Pay the advertised USDC amount to payTo on Base from your own wallet.","Retry with base64 JSON in X-PAYMENT; never send a private key.","Share only the public settlement response or exact failure."],"metrics":"https://x402.nexus/ycbench"}