Bitget books50 goes incremental on 1 December: keeping a local order book in Node.jsWhat changes on the 50-level depth channel, and a small TypeScript-friendly handler that works before and after the switch4 min read·siebly.hashnode.dev11d ago
KuCoin API JavaScript tutorial for Node.js: REST and WebSocketPublic and private REST calls, Classic WebSocket streams and a safe test order with kucoin-api5 min read·siebly.hashnode.dev12d ago
Hyperliquid JavaScript SDK quickstart for Node.js and TypeScriptInstall @siebly/hyperliquid-api, read public market data, set up a signed client on testnet and subscribe to Hyperliquid WebSocket streams.6 min read·siebly.hashnode.dev2d ago
OKX WebSocket port 8443 is retired: fixing Node.js connectionsOKX stopped accepting WebSocket connections on port 8443 on 31 October 2026 (Colo follows on 16 November). If your Node.js app still connects to wss://ws.okx.com:8443/..., the connection now fails. RE2 min read·siebly.hashnode.dev1N2d ago