KuCoin API

API

Comprehensive Cryptocurrency Trading & Market Data API

Overview

The KuCoin API provides RESTful and WebSocket endpoints for cryptocurrency trading (spot, futures, margin), real-time market data (tickers, order books, candlesticks), account management (balances, orders, withdrawals), and asset information. Responses are in JSON format. Use cases include building automated trading bots, portfolio trackers, market analysis tools, and integrating crypto trading features into third-party platforms. It supports public (limited access) and private (API-key protected) endpoints to cater to diverse developer needs.

Example Integration (JavaScript)

script.js JS


fetch('https://docs.kucoin.com/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful & WebSocket Support
JSON Response Format
Spot/Futures/Margin Trading
Real-Time Market Data
Account Management Tools
API Key Authentication

Frequently Asked Questions

? Is the KuCoin API free to use?

The KuCoin API uses a freemium model—basic access (market data, standard trading) is free, but higher rate limits and advanced features require paid subscriptions.

? Does it require an API Key?

Yes, private endpoints (account management, trading) need API key authentication. Public market data endpoints have limited access without an API key.

? What is the response format?

The KuCoin API primarily returns JSON responses for both REST and WebSocket endpoints, ensuring easy integration with most programming languages.

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Tool Info

Pricing Freemium

Category Cryptocurrency

Platform Public API

Pros

⊕ Comprehensive Endpoint Coverage
⊕ Real-Time Updates via WebSocket
⊕ Freemium Basic Access
⊕ Well-Documented Resources

Cons

⊖ Rate Limits on Free Tiers
⊖ Requires API Key for Private Endpoints
⊖ Advanced Features Need Premium Plans
⊖ Potential Latency in Volatile Markets