{"service":"MSFR OI","description":"Multi-exchange open interest with 1h/4h/24h deltas. 5 sources. 60s refresh.","endpoints":[{"path":"/oracle/oi/btc/usd","pair":"btc/usd","price":"$0.01 / 100 sats","preview":"/oracle/oi/btc/usd/preview"},{"path":"/oracle/oi/eth/usd","pair":"eth/usd","price":"$0.01 / 100 sats","preview":"/oracle/oi/eth/usd/preview"},{"path":"/oracle/oi/sol/usd","pair":"sol/usd","price":"$0.01 / 100 sats","preview":"/oracle/oi/sol/usd/preview"}],"sources":["binance","bybit","okx","deribit","hyperliquid"],"note":"OI units vary by exchange: Binance/Bybit/Hyperliquid in coins, Deribit in USD, OKX in contracts."}