Download Crypto Currencies Data

Download Crypto Currencies Data

dccd downloads crypto-currency data (OHLCV, trades, order book) from multiple exchanges via REST and WebSocket APIs.

pip install dccd

Python API

Historical REST downloads and real-time WebSocket streams — use dccd directly in your scripts or notebooks.

Quickstart

CLI Daemon

Autonomous server-side collector driven by a YAML config with scheduling, WebSocket streams, and rclone remote sync.

Daemon (dccd.daemon)

Storage & Formats

Annual Parquet files by default · CSV · Excel · SQLite · PostgreSQL · Polars & Pandas output.

Storage (dccd.storage)

Key features

• 7 exchanges — Binance, Coinbase, Kraken, Bybit, OKX, Bitfinex, Bitmex

• 3 data types — OHLCV candles, trade history, order book snapshots

• Incremental updates — start='last' resumes from the last saved timestamp, no duplicates

• Polars-native output — get_data() returns a polars.DataFrame; get_data(format='pandas') for Pandas

• No API key required — all endpoints used are public

• Autonomous daemon — YAML config, APScheduler, WebSocket streams, rclone remote sync

Supported exchanges

Exchange	REST OHLCV	REST Trades	REST Order Book	WS OHLCV	WS Trades	WS Order Book
Binance	✓	✓	✓		✓	✓
Coinbase	✓	✓ †	✓
Kraken	✓	✓	✓	✓	✓	✓
Bybit	✓	✓ †	✓		✓	✓
OKX	✓	✓	✓	✓	✓	✓
Bitfinex				✓ *	✓	✓
Bitmex					✓	✓

* Bitfinex WS OHLCV is aggregated from the trades stream via get_ohlc_bitfinex.

† Recent trades only (Bybit ≤ 1 000, Coinbase ≤ 100) — no deep historical pagination via the public REST API.