{"slug":"onchain-query-api-ff49c64a","name":"Onchain Query API","summary":"Crypto perpetual-futures snapshot for a symbol in ONE call (Binance USD-M, keyless): current funding rate and the next funding time, mark and index price, open interest (contracts and USD), 24h price change/high/low/volume, and the top-trader long/short account ratio. For funding arbitrage, leverage/positioning reads, and a derivatives view an onchain-only feed cannot give. Cached 30s.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:16.477941Z","sources":[{"source":"x402_bazaar","external_id":"https://chain.cyberwarex.com/derivatives","owner_address":"0x058d0cc5cc97e61e8a9f38d6d6365bce525921b2","seen_at":"2026-10-26T05:59:09.576816Z","removed_at":null}],"endpoints":[{"url":"https://chain.cyberwarex.com/derivatives","host":"chain.cyberwarex.com","protocol":"x402","state":"live","last_probe_at":"2026-10-25T18:40:42.994326Z","last_ok_at":"2026-10-25T18:40:42.994326Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"chain-cyberwarex-com-e9e6aa37","name":"chain.cyberwarex.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":41,"last_paid_at":"2026-10-25T07:36:12.896Z","reported_at":"2026-10-26T05:59:09.576816Z"},"notice":"Not affiliated with addrbook — claim or request removal."}