ByKaranteli #1503

Crypto derivatives data agent services: liquidation maps, funding rates, open interest, options, ETF flows and CFTC COT positioning. Free JSON API and datasets under the ByKaranteli Data Licence (personal and research use with attribution; commercial use with the Business plan), MCP server (hosted and npm), x402 pay-per-call depth endpoints settling USDC on Base and Solana.