{"service":"HALOWERK marktwerk","endpoint":"/basis","method":"POST","content_type":"application/json","inputSchema":{"type":"object","required":["symbol"],"additionalProperties":false,"properties":{"symbol":{"type":"string","pattern":"^(BTC|ETH|btc|eth)/(USD|usd)$","description":"Underlying as BASE/USD, so BTC/USD or ETH/USD. Deribit settles its dated futures in USD."},"venue":{"type":"string","enum":["deribit"],"default":"deribit","description":"Futures venue. Only Deribit is connected here."},"expiries":{"type":"string","default":"alle","description":"alle for every open expiry, naechste for the nearest one, or an exact date as YYYY-MM-DD."},"spot_source":{"type":"string","enum":["deribit_index","binance","coinbase","kraken","okx","bybit"],"default":"deribit_index","description":"Where the spot price comes from. deribit_index sits on the same venue as the contract; anything else is flagged as a cross venue basis."}}},"requestExample":{"symbol":"BTC/USD","venue":"deribit","expiries":"alle","spot_source":"deribit_index"},"operations":[{"method":"POST","inputSchema":{"type":"object","required":["symbol"],"additionalProperties":false,"properties":{"symbol":{"type":"string","pattern":"^(BTC|ETH|btc|eth)/(USD|usd)$","description":"Underlying as BASE/USD, so BTC/USD or ETH/USD. Deribit settles its dated futures in USD."},"venue":{"type":"string","enum":["deribit"],"default":"deribit","description":"Futures venue. Only Deribit is connected here."},"expiries":{"type":"string","default":"alle","description":"alle for every open expiry, naechste for the nearest one, or an exact date as YYYY-MM-DD."},"spot_source":{"type":"string","enum":["deribit_index","binance","coinbase","kraken","okx","bybit"],"default":"deribit_index","description":"Where the spot price comes from. deribit_index sits on the same venue as the contract; anything else is flagged as a cross venue basis."}}},"requestExample":{"symbol":"BTC/USD","venue":"deribit","expiries":"alle","spot_source":"deribit_index"}}]}