{"ok":true,"url":"https://api.octodamus.com/v2/arcus/perp","category":"market_data","score":79.6,"traction":0,"confidence":1,"last_status":402,"last_probe_at":"2026-07-28T22:46:07.286Z","evidence":{"reliability":{"probes":16,"ok":16,"ratio":1,"window":"latest_60"},"protocol":{"valid_quote_probes":4,"paid_responses":16,"of":16,"ratio":0.25},"speed":{"p50_ms":1081,"p95_ms":2627,"score":0.9103947368421053},"proven":{"settlements_to_advertised_pay_to":0,"distinct_senders_to_pay_to":0,"verified_at":null,"score":0,"caveat":"payment activity to the currently observed/advertised payTo; not necessarily an API purchase","distinct_senders_per_week":0,"weeks_listed":1},"stability":{"price_observations":4,"changes":0,"score":1},"freshness":{"last_probe_at":"2026-07-28T22:46:07.286Z","age_days":0.6,"factor":1},"current":{"status":402,"quote_valid":true,"factor":1}},"routability":{"routable":true,"reasons":[],"age_hours":14.68,"observed_price_usd":0.02,"capability_key":"opaque:6250"},"capability_key":"opaque:6250","capability_profile":{"version":3,"endpoint_id":6250,"url":"https://api.octodamus.com/v2/arcus/perp","category":"market_data","primary_capability":"market.quote","confidence":0.99,"capabilities":[{"id":"market.quote","label":"Market quote","category":"market_data","confidence":0.99,"evidence":[{"source":"title","detail":"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs or"},{"source":"description","detail":"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs or"}]},{"id":"market.derivatives_open_interest","label":"Derivatives open interest","category":"market_data","confidence":0.78,"evidence":[{"source":"title","detail":"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs or"},{"source":"description","detail":"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs or"}]}],"keywords":["live","perp","market","facts","fact","arcus","arcu","dydx","labs","robinhood","chain","tokenized","tokeniz","stock","index","crypto","perps","hourly","funding","fund","annualized","annualiz","open","interest","base","usd","mark","vs","oracle","price","quote","24h","volume","margin","fractions","fraction","including","includ","off","hours","hour","initial","raises","raise","when","nyse","closed","clos","venue","complement","octodamus","octodamu"],"entities":["asset","ticker","futures","derivatives","perpetual"],"operations":["quote","history","lookup"],"networks":["base"],"input_concepts":[],"output_concepts":["price","open_interest"],"input_schema_known":false,"output_schema_known":false,"generated_from":["title","description","url","declared_category","category","input_schema","output_schema","verified_adapters"],"fingerprint":"a52ff037d8554d2139d7cd8d18632566ea035c052a7ebc6e9c5ec2fac5d5556c","search_terms":["market_data","market.quote","Market quote","market","quote","market.derivatives_open_interest","Derivatives open interest","derivatives","derivative","open","interest","live","perp","facts","fact","arcus","arcu","dydx","labs","robinhood","chain","tokenized","tokeniz","stock","index","crypto","perps","hourly","funding","fund","annualized","annualiz","base","usd","mark","vs","oracle","price","24h","volume","margin","fractions","fraction","including","includ","off","hours","hour","initial","raises","raise","when","nyse","closed","clos","venue","complement","octodamus","octodamu","asset","ticker","futures","perpetual","history","lookup"]},"adapters":[],"dataset_revision":322730,"declared":{"price_usd":0.02,"currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"eip155:8453","pay_to":"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db","input_schema":null,"output_schema":null},"observed":{"price_usd":0.02,"price_at":"2026-07-28T22:46:07.286Z","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db","quote_valid":true,"method":"GET"},"verification":{"safe_for_end_to_end":true,"owner_opt_in_non_read":false},"provenance":[{"source":"bazaar","first_seen":"2026-07-25T04:40:17.761Z","last_seen":"2026-07-29T13:27:04.989Z","claim_json":"{\"title\":\"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs oracle price, 24h volume, and margin fractions including the off-hours initial margin (Arcus raises margin when the NYSE is closed). Perp-venue complement to stock-perp-facts.\",\"description\":\"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs oracle price, 24h volume, and margin fractions including the off-hours initial margin (Arcus raises margin when the NYSE is closed). Perp-venue complement to stock-perp-facts.\",\"declared_category\":null,\"declared_price_usd\":0.02,\"currency\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"network\":\"eip155:8453\",\"pay_to\":\"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db\",\"method\":null,\"input_schema\":null,\"output_schema\":null,\"verification_safe\":false}","claim":{"title":"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs oracle price, 24h volume, and margin fractions including the off-hours initial margin (Arcus raises margin when the NYSE is closed). Perp-venue complement to stock-perp-facts.","description":"Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs oracle price, 24h volume, and margin fractions including the off-hours initial margin (Arcus raises margin when the NYSE is closed). Perp-venue complement to stock-perp-facts.","declared_category":null,"declared_price_usd":0.02,"currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"eip155:8453","pay_to":"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db","method":null,"input_schema":null,"output_schema":null,"verification_safe":false}}],"proven":{"onchain_settlements":0,"onchain_payers":0,"caveat":"payment activity to the currently observed/advertised payTo; not necessarily an API purchase","verified_at":null,"verified_tx":null},"history":[{"iso":"2026-07-28T22:46:07.286Z","ok":1,"status":402,"latency_ms":3193,"quote_valid":1,"price_usd":0.02,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db","raw_amount":"20000","method_used":"GET","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-27T22:45:46.736Z","ok":1,"status":402,"latency_ms":760,"quote_valid":1,"price_usd":0.02,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db","raw_amount":"20000","method_used":"GET","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-26T22:45:29.664Z","ok":1,"status":402,"latency_ms":523,"quote_valid":1,"price_usd":0.02,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db","raw_amount":"20000","method_used":"GET","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-25T21:17:09.898Z","ok":1,"status":402,"latency_ms":2627,"quote_valid":1,"price_usd":0.02,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","pay_to":"0x5c6B3a3dAe296d3cef50fef96afC73410959a6Db","raw_amount":"20000","method_used":"GET","probe_class":"valid_x402_quote","conclusive":1,"error":null},{"iso":"2026-07-24T19:37:58.267Z","ok":1,"status":402,"latency_ms":1331,"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":null},{"iso":"2026-07-24T17:37:48.450Z","ok":1,"status":402,"latency_ms":1063,"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":null},{"iso":"2026-07-24T14:56:20.496Z","ok":1,"status":402,"latency_ms":1070,"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":null},{"iso":"2026-07-24T11:47:34.138Z","ok":1,"status":402,"latency_ms":1116,"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":null},{"iso":"2026-07-24T09:45:29.249Z","ok":1,"status":402,"latency_ms":1081,"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":null},{"iso":"2026-07-24T07:42:18.203Z","ok":1,"status":402,"latency_ms":1152,"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":null},{"iso":"2026-07-24T05:40:54.111Z","ok":1,"status":402,"latency_ms":1165,"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":null},{"iso":"2026-07-24T03:22:03.485Z","ok":1,"status":402,"latency_ms":2156,"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":null},{"iso":"2026-07-24T01:20:58.868Z","ok":1,"status":402,"latency_ms":1064,"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":null},{"iso":"2026-07-23T23:19:07.305Z","ok":1,"status":402,"latency_ms":1070,"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":null},{"iso":"2026-07-23T21:18:32.405Z","ok":1,"status":402,"latency_ms":1062,"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":null},{"iso":"2026-07-23T17:16:11.911Z","ok":1,"status":402,"latency_ms":1158,"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":null}]}