{"ok":true,"url":"https://x402-services-production.up.railway.app/api/perps/oi","category":"emerging","score":85.9,"traction":30.1,"confidence":1,"last_status":402,"last_probe_at":"2026-07-29T01:36:20.661Z","evidence":{"reliability":{"probes":16,"ok":11,"ratio":0.6875,"window":"latest_60"},"protocol":{"valid_quote_probes":11,"paid_responses":11,"of":11,"ratio":1},"speed":{"p50_ms":181,"p95_ms":229,"score":1},"proven":{"settlements_to_advertised_pay_to":36,"distinct_senders_to_pay_to":1,"verified_at":null,"score":0.25085832971998434,"caveat":"payment activity to the currently observed/advertised payTo; not necessarily an API purchase","distinct_senders_per_week":1,"weeks_listed":1},"stability":{"price_observations":4,"changes":0,"score":1},"freshness":{"last_probe_at":"2026-07-29T01:36:20.661Z","age_days":0.5,"factor":1},"current":{"status":402,"quote_valid":true,"factor":1}},"routability":{"routable":true,"reasons":[],"age_hours":13.07,"observed_price_usd":0.005,"capability_key":"schema:POST:a2fcc247a24efff13597c30c"},"capability_key":"schema:POST:a2fcc247a24efff13597c30c","capability_profile":{"version":3,"endpoint_id":52473,"url":"https://x402-services-production.up.railway.app/api/perps/oi","category":"emerging","primary_capability":"market.derivatives_open_interest","confidence":0.99,"capabilities":[{"id":"market.derivatives_open_interest","label":"Derivatives open interest","category":"market_data","confidence":0.99,"evidence":[{"source":"title","detail":"Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents."},{"source":"description","detail":"Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents."}]}],"keywords":["open","interest","coin","usd","notional","top","perps","perp","across","hyperliquid","send","limit","positioning","position","liquidity","depth","derivatives","derivative","agents","agent","emerging","emerg","oi","x402","services","service","production","up","railway"],"entities":["asset","futures","derivatives","perpetual"],"operations":["history","lookup"],"networks":["base"],"input_concepts":[],"output_concepts":["open_interest"],"input_schema_known":true,"output_schema_known":false,"generated_from":["title","description","url","declared_category","category","input_schema","output_schema","verified_adapters"],"fingerprint":"4304410bf70041a9c5b6dd4b6bc4cef423aa507d503e5fa3289e3da56f3002cf","search_terms":["emerging","market.derivatives_open_interest","Derivatives open interest","derivatives","derivative","open","interest","coin","usd","notional","top","perps","perp","across","hyperliquid","send","limit","positioning","position","liquidity","depth","agents","agent","emerg","oi","x402","services","service","production","up","railway","asset","futures","perpetual","history","lookup","base"]},"adapters":[],"dataset_revision":324268,"declared":{"price_usd":0.003,"currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","pay_to":"0x544E033D055738e7b5c40AD4318B506e1219E064","input_schema":{"bodyFields":{"coin":{"description":"Perp symbol; omit to list top markets by OI","required":false,"type":"string"},"limit":{"description":"Max markets when listing, default 15 (max 50)","required":false,"type":"number"}},"bodyType":"json","discoverable":true,"method":"POST","type":"http"},"output_schema":null},"observed":{"price_usd":0.005,"price_at":"2026-07-29T01:36:20.661Z","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x544E033D055738e7b5c40AD4318B506e1219E064","quote_valid":true,"method":"POST"},"verification":{"safe_for_end_to_end":false,"owner_opt_in_non_read":false},"provenance":[{"source":"bazaar","first_seen":"2026-07-25T04:40:32.177Z","last_seen":"2026-07-29T14:33:43.184Z","claim_json":"{\"title\":\"Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents.\",\"description\":\"Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents.\",\"declared_category\":null,\"declared_price_usd\":0.003,\"currency\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"network\":\"base\",\"pay_to\":\"0x544E033D055738e7b5c40AD4318B506e1219E064\",\"method\":null,\"input_schema\":{\"bodyFields\":{\"coin\":{\"description\":\"Perp symbol; omit to list top markets by OI\",\"required\":false,\"type\":\"string\"},\"limit\":{\"description\":\"Max markets when listing, default 15 (max 50)\",\"required\":false,\"type\":\"number\"}},\"bodyType\":\"json\",\"discoverable\":true,\"method\":\"POST\",\"type\":\"http\"},\"output_schema\":null,\"verification_safe\":false}","claim":{"title":"Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents.","description":"Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents.","declared_category":null,"declared_price_usd":0.003,"currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","pay_to":"0x544E033D055738e7b5c40AD4318B506e1219E064","method":null,"input_schema":{"bodyFields":{"coin":{"description":"Perp symbol; omit to list top markets by OI","required":false,"type":"string"},"limit":{"description":"Max markets when listing, default 15 (max 50)","required":false,"type":"number"}},"bodyType":"json","discoverable":true,"method":"POST","type":"http"},"output_schema":null,"verification_safe":false}}],"proven":{"onchain_settlements":36,"onchain_payers":1,"caveat":"payment activity to the currently observed/advertised payTo; not necessarily an API purchase","verified_at":null,"verified_tx":null},"history":[{"iso":"2026-07-29T01:36:20.661Z","ok":1,"status":402,"latency_ms":196,"quote_valid":1,"price_usd":0.005,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x544E033D055738e7b5c40AD4318B506e1219E064","raw_amount":"5000","method_used":"POST","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-28T01:22:07.927Z","ok":1,"status":402,"latency_ms":162,"quote_valid":1,"price_usd":0.005,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x544E033D055738e7b5c40AD4318B506e1219E064","raw_amount":"5000","method_used":"POST","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-26T23:51:52.221Z","ok":1,"status":402,"latency_ms":608,"quote_valid":1,"price_usd":0.005,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x544E033D055738e7b5c40AD4318B506e1219E064","raw_amount":"5000","method_used":"POST","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-25T23:17:42.545Z","ok":1,"status":402,"latency_ms":185,"quote_valid":1,"price_usd":0.005,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x544E033D055738e7b5c40AD4318B506e1219E064","raw_amount":"5000","method_used":"POST","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-24T20:10:16.796Z","ok":1,"status":402,"latency_ms":179,"quote_valid":1,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":null},{"iso":"2026-07-24T18:10:13.818Z","ok":1,"status":402,"latency_ms":229,"quote_valid":1,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":null},{"iso":"2026-07-24T16:10:09.579Z","ok":0,"status":null,"latency_ms":204,"quote_valid":0,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":"negotiable is not defined"},{"iso":"2026-07-24T13:11:12.969Z","ok":0,"status":null,"latency_ms":213,"quote_valid":0,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":"negotiable is not defined"},{"iso":"2026-07-24T10:29:22.115Z","ok":0,"status":null,"latency_ms":186,"quote_valid":0,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":"negotiable is not defined"},{"iso":"2026-07-24T08:27:48.212Z","ok":0,"status":null,"latency_ms":180,"quote_valid":0,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":"negotiable is not defined"},{"iso":"2026-07-24T06:27:30.134Z","ok":0,"status":null,"latency_ms":156,"quote_valid":0,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":"negotiable is not defined"},{"iso":"2026-07-24T04:12:52.543Z","ok":1,"status":402,"latency_ms":160,"quote_valid":1,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":null},{"iso":"2026-07-24T02:12:28.102Z","ok":1,"status":402,"latency_ms":159,"quote_valid":1,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":null},{"iso":"2026-07-24T00:08:44.424Z","ok":1,"status":402,"latency_ms":181,"quote_valid":1,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":null},{"iso":"2026-07-23T22:08:14.336Z","ok":1,"status":402,"latency_ms":193,"quote_valid":1,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":null},{"iso":"2026-07-23T20:05:48.793Z","ok":1,"status":402,"latency_ms":155,"quote_valid":1,"price_usd":null,"asset":null,"network":null,"pay_to":null,"raw_amount":null,"method_used":null,"probe_class":null,"conclusive":1,"error":null}]}