Hyperliquid perp funding extremes across every listed perp: top positive (longs pay) and top negative (shorts pay) current hourly funding, APR, HL predicted next rate, OI (USD) with 1h/24h OI change, 24h volume, premium, plus the OI-weighted market funding. Optional coin=BTC returns that coin's row and rank. Refreshed every ~3 min from HL public data; response carries generated_at/age_s.
https://chiefofstaff-solana.iodized-lemon.workers.dev/hl/funding