Cryptocurrency APIs

Cryptocurrency data and trading

30 APIs in this category
30
APIs listed
7
need no API key (23%)
6
CORS enabled (20%)
30
HTTPS (100%)

This directory lists 30 cryptocurrency APIs. 2 of them require no API key and support CORS, so you can call them directly from browser JavaScript with no backend and no sign-up. Every entry shows whether it needs authentication, serves over HTTPS and allows cross-origin requests, so you can pick one that fits your stack before you read a single doc page.

Showing 30 of 30 APIs

0x

Query token and pool stats across various decentralized liquidity pools

Auth: No HTTPS CORS: Yes

1inch

Decentralized exchange aggregator API

Auth: No HTTPS CORS: Unknown

Alchemy Ethereum

Ethereum Node-as-a-Service provider with enhanced APIs and analytics

Auth: apiKey HTTPS CORS: Yes

apilayer coinlayer

Real-time cryptocurrency exchange rate API

Auth: apiKey HTTPS CORS: Unknown

Binance

Comprehensive API for trading and market data on Binance Exchange

Auth: apiKey HTTPS CORS: Unknown

Bitcambio

Retrieve traded asset data from Bitcambio Exchange

Auth: No HTTPS CORS: Unknown

BitcoinAverage

Digital asset price and market data for blockchain industry

Auth: apiKey HTTPS CORS: Unknown

BitcoinCharts

Financial and technical Bitcoin network data

Auth: No HTTPS CORS: Unknown

Bitfinex

Cryptocurrency trading and exchange platform API

Auth: apiKey HTTPS CORS: Unknown

Bitmex

Real-time cryptocurrency derivatives trading API

Auth: apiKey HTTPS CORS: Unknown

Bittrex

Next-generation crypto trading platform API

Auth: apiKey HTTPS CORS: Unknown

Block

Bitcoin payments, wallet, and transaction data API

Auth: apiKey HTTPS CORS: Unknown

Blockchain

Bitcoin wallet and transaction data API from Blockchain.com

Auth: apiKey HTTPS CORS: Unknown

blockfrost Cardano

Interact with the Cardano blockchain mainnet and testnets

Auth: apiKey HTTPS CORS: Unknown

Brave NewCoin

Real-time and historical cryptocurrency data from 200+ exchanges

Auth: apiKey HTTPS CORS: Unknown

BtcTurk

Real-time cryptocurrency data and trading API from BtcTurk

Auth: apiKey HTTPS CORS: Yes

Bybit

API for derivatives and spot cryptocurrency trading

Auth: apiKey HTTPS CORS: Unknown

CoinAPI

Unified cryptocurrency exchange data API

Auth: apiKey HTTPS CORS: No

Coinbase

Cryptocurrency wallet and payment API from Coinbase

Auth: apiKey HTTPS CORS: Unknown

CoinGecko

Comprehensive cryptocurrency market data API

Auth: No HTTPS CORS: Yes

CoinMarketCap

Cryptocurrency price and market capitalization API

Auth: apiKey HTTPS CORS: Unknown

CryptoCompare

Cryptocurrency price, historical data, and comparison API

Auth: No HTTPS CORS: Unknown

FTX

Complete REST and WebSocket API for FTX trading

Auth: apiKey HTTPS CORS: Yes

Huobi

Comprehensive trading API for Huobi Exchange

Auth: apiKey HTTPS CORS: Unknown

Kraken

REST API for Kraken Exchange to access crypto data and trading

Auth: apiKey HTTPS CORS: Unknown

Nomics

Historical and real-time cryptocurrency prices and market data

Auth: apiKey HTTPS CORS: Yes

OKEx

API for trading and data from OKEx Exchange

Auth: apiKey HTTPS CORS: Unknown

Solana JSON RPC

Interact programmatically with the Solana blockchain network

Auth: No HTTPS CORS: Unknown

VALR

Cryptocurrency exchange API for South Africa-based VALR

Auth: apiKey HTTPS CORS: Unknown

WorldCoinIndex

Real-time cryptocurrency price API

Auth: apiKey HTTPS CORS: Unknown

Best Cryptocurrency APIs for Developers

A cryptocurrency API allows developers to fetch real-time prices, historical market data, trading pair information, and portfolio metrics for Bitcoin, Ethereum, and thousands of altcoins. These APIs power crypto trackers, trading bots, and financial dashboards.

CodeHelper's curated cryptocurrency API collection includes APIs covering price feeds, exchange data, wallet information, and market analytics.

What to look for in a cryptocurrency API

  • Coin coverage: Ensure the API covers all tokens your application needs, including smaller altcoins and DeFi tokens.
  • Historical data depth: For backtesting trading strategies, you need APIs that provide years of historical OHLCV data.
  • WebSocket streaming: Real-time price updates via WebSocket are essential for live trading interfaces.

How to use this API directory

  1. Browse the curated list of APIs below.
  2. Click any API to visit its documentation.
  3. Check the Auth column to understand what credentials you need.

Whether you are building a crypto portfolio tracker or a trading bot, this free curated API directory saves you hours of research.

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