{"service":"orbit x402 Picks","by":"orbit-builder","description":"x402 endpoint recommender, $0.005 USDC per call: describe a task, get the top 5 paid x402 endpoints to call. BM25 relevance over the Coinbase Bazaar catalog, re-ranked by real demand (unique payers 30d), recency of last paid call, price and a liveness probe (402 seen); dead endpoints excluded, max 2 per host. Filters: chain, max_price, live, method. Each pick: url, method, price_usd, networks, payers, last_called_at, liveness, score. Free: /v1/preview?task= (top 1). Index of 9398 endpoints with recent paying users, rebuilt every 6h. Neutral ranking; no paid placement.","price":"$0.005 USDC per call (x402, Base)","payment":{"protocol":"x402","x402Version":2,"scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x9Da4B249B8afa7818de5BFf7eEd8b13e6feeb9b3","amount":"5000","facilitators":["https://facilitator.payai.network","https://facilitator.xpay.sh"]},"endpoints":{"GET /v1/recommend?task=&chain=&max_price=&limit=&live=&method=&view=":"$0.005 via x402","POST /v1/recommend":"$0.005, same params as JSON body","GET /recommend?need=":"$0.005, alias (need/max_price_usd/chain accepted)","GET /v1/preview?task=":"free, top 1 pick","GET /openapi.json":"free","GET /llms.txt":"free","GET /.well-known/x402":"free","GET /.well-known/agent.json":"free A2A card","POST /mcp":"free MCP tool (top 1)"},"ranking":"score = 0.5 BM25 relevance + 0.12 term coverage + 0.2 demand log(unique payers 30d) + 0.08 recency of last paid call + 0.05 price + 0.05 liveness; dead endpoints removed; max 2 per host","index":{"endpoints":9398,"built_at":"2026-10-23T17:16:02.185Z","source":"CDP Bazaar discovery (36724 listed; kept: >=2 unique payers in 30d, mainnet, max 25/host, not dead)","refresh":"every 6h"},"keywords":["x402 recommend","endpoint recommendation","which api to call","x402 search","bazaar search","api discovery","tool routing","agent tool selection","paid api finder","x402 directory","cheapest endpoint","live endpoints"],"url":"https://x402-picks.orbit-builder.workers.dev/v1/recommend","mcp":"https://x402-picks.orbit-builder.workers.dev/mcp","siblings":["https://crypto-news.orbit-builder.workers.dev/","https://token-risk.orbit-builder.workers.dev/","https://bounty-radar.orbit-builder.workers.dev/"]}