Blog
News, release deep-dives, and multi-language guides from the CCXT team — the open-source library connecting 100+ cryptocurrency exchanges.
Backtest before you bet: pull years of free candles from any exchange
Every exchange gives away its price history through the same CCXT call. How to download years of OHLCV data properly — and the backtesting traps that make losing strategies look like winners.
You're only using two order types — a tour of stops, trailing stops, and post-only
Market and limit are just the beginning. Trigger orders, stop-losses, take-profits, trailing stops, and execution modifiers like postOnly and reduceOnly — unified across exchanges through CCXT params.
How trading bots get drained: the API-key security checklist
Most stolen-funds stories start with a leaked API key, not a hacked exchange. The permissions, storage, and monitoring habits that make a leaked key a non-event.
Every exchange, one number: build a cross-exchange portfolio tracker
Your funds live on three exchanges and none of their dashboards agree. Pull balances from all of them with one API, price everything in USDT, and print the number that matters.
How we ship one codebase in six languages (without maintaining six codebases)
The engineering story behind CCXT's most unusual design decision — a single TypeScript source of truth, transpiled into five other languages and tested in all of them.
Build your first crypto trading bot in 15 minutes — in whichever language you already know
Connect to an exchange, read balances and prices, and place your first order — in JavaScript, Python, PHP, C#, Go, and Java, with safety rails on from the start.