Crypto APIs - Directory w/ AI Reviews

Powerful APIs that give developers access to blockchain data, market prices, on-chain analytics, and more. Whether you're building a trading app, analytics dashboard, or DeFi integration, services like CoinGecko, Etherscan, Glassnode, and DefiLlama offer both free and paid tiers to suit different needs. A solid starting point for any crypto developer project.

Alchemy 1 4.9 Alchemy 6 reviews Alchemy is a premium Web3 development platform providing blockchain APIs and infrastructure tools used by thousands of dApp developers to build on Ethereum and other chains. Coinmetrics 2 4.8 Coinmetrics 6 reviews Coin Metrics Market Data Feed is an institutional-grade feed offering real-time and historical market data from spot, futures, options, and decentralized exchanges. It delivers normalized trades, quotes, order books, candles, futures open interest, funding rates, liquidation data, etc., all via unif DefiLlama 3 4.8 DefiLlama 6 reviews DefiLlama API is a public (and partially premium) API that provides access to a wide range of DeFi metrics, including Total Value Locked (TVL), protocol fees & revenue, token prices, yield/APY data, user activity, unlock schedules, and more. It supports both real-time and historical data, with endpo Circle 4 4.7 Circle 6 reviews Circle's API Reference provides developers with a RESTful suite of endpoints for handling digital dollars (USDC & EURC), payments, payouts, transfers, wallets, and related financial operations. It includes a live API sandbox/playground to test requests safely, detailed data models (e.g. for transfer Glassnode 5 4.7 Glassnode 6 reviews Glassnode Basic API provides live and historical on-chain and market data via a single REST API. It supports dozens of blockchain metrics (addresses, supply, transactions, realized/unrealized P/L, etc.), market indicators, and time-series data. Access is via tiers: some metrics/data are free or incl Nansen 6 4.7 Nansen 6 reviews Nansen's API at www.nansen.ai/api provides programmatic access to onchain data across multiple blockchains, enabling tracking of tokens, wallets, exchange flows, whale movements, and token inflows/outflows for AI agents and dApps. Key features include proprietary labeling of 300M+ addresses and 1K+ CoinGecko API 7 4.6 CoinGecko API 6 reviews CoinGecko's API delivers real-time and historical crypto data covering prices, market cap, volume, and NFT floor prices for over 18,000 assets across hundreds of exchanges. CoinParika 8 4.6 CoinParika 6 reviews CoinPaprika API provides comprehensive cryptocurrency data via 25+ endpoints, covering 54,000+ assets, 350+ exchanges, and 13 years of historical data from 500+ sources. Features include real-time prices, market intelligence, and support for apps, bots, and analytics. Free tier available for data sc 0x 9 4.6 0x ZRX $0.110928 24h: +0.9% 6 reviews 0x provides developer APIs for building decentralized trading applications, aggregating liquidity from 130+ exchanges across Ethereum, Base, Arbitrum, and other major chains. Etherscan 10 4.6 Etherscan ETH $2,053.44 24h: +0.3% 6 reviews Etherscan APIs provide developers with robust tools to access Ethereum blockchain data, including transactions, blocks, addresses, tokens, and gas prices. Key endpoints cover account balances, contract details, token transfers, and network stats, with support for real-time and historical data. The A Orderly 11 4.6 Orderly ORDER $0.060510 24h: +0.7% 6 reviews Orderly's Omnichain APIs offer both REST and WebSocket interfaces that enable developers and traders to access and interact with its shared order-book across multiple chains. With REST endpoints, you can manage orders (create, cancel, fetch), check balances, query positions, funding rates, and other CoinMarketCap 12 4.5 CoinMarketCap 6 reviews CoinMarketCap's API delivers real-time and historical cryptocurrency data, including prices, market cap, trading volume, and exchange data for over 11,000 coins. It provides RESTful JSON endpoints with a free Basic plan (30 calls/min, 10,000 calls/month) and paid plans starting at $79/month (up to 5 TzKT API 13 4.5 TzKT API XTZ $0.408300 24h: +0.5% 5 reviews TzKT API provides comprehensive RESTful access to Tezos blockchain data, enabling developers to build applications with real-time and historical on-chain information. Coinbase 14 4.4 Coinbase 6 reviews Coinbase's Data API offers free access to onchain data, including transactions, balances (latest and lifetime), and historical info for addresses and assets. Key features: easy integration with APIs and SDKs, quick setup in three lines of code, and tools for building dApps. Benefits: simplifies onch Solscan 15 4.4 Solscan SOL $84.86 24h: +0.6% 6 reviews Solscan APIs offer the Pro API for developers to integrate Solana blockchain exploration, search, and analytics into projects. It supports data on transactions, tokens, and on-chain activity, with advanced features detailed in the documentation at pro-api.solscan.io. Plans include standard and custo Live Coin Watch 16 4.4 Live Coin Watch 6 reviews Its public API provides REST endpoints (using an API key) for accessing market overviews, individual coin data, historical metrics, fiat conversion, and exchange info. Data is JSON-formatted and supports various base currencies. The API is well-suited for apps, dashboards, or tools that need live or Mintscan 17 4.3 Mintscan ATOM $2.13 24h: +0.6% 6 reviews The Mintscan API is a suite of REST endpoints (plus some WebSocket support) that gives developers access to detailed on-chain data across Cosmos SDK-based chains and some EVM-compatible networks. It includes utilities like node status, token prices, staking APY, inflation, TVL, historical data (acco Blockchain.com 18 4.3 Blockchain.com 6 reviews The Blockchain.com Explorer API provides REST and WebSocket endpoints for accessing blockchain data such as transactions, blocks, addresses, and real-time event streams. Developers can query things like block height, transaction hashes, address balances, charts/statistics (hasrate, difficulty, etc.) Triple-A 19 4.3 Triple-A 5 reviews Triple-A API provides merchants with endpoints for handling crypto and fiat transactions in a compliant and seamless way. It includes a Cryptocurrency Payments API for accepting digital asset payments from customers with settlement in fiat, a Cryptocurrency Payout API that lets businesses prefund in TokenInsight 20 4.2 TokenInsight 5 reviews TokenInsight API (aka "Crypto Open Data API") is a full-suite data service that delivers live market metrics, historical data, ratings, and qualitative research across thousands of tokens, hundreds of exchanges, and over half a million markets. It provides endpoints for coin/token info, exchange det Curve 21 4.2 Curve CRV $0.258500 24h: +2.8% 6 reviews Curve's public API (v1) provides REST endpoints covering pool metadata, tokens, lending stats, gauges, crvUSD activity, volumes & APYs, and other on-chain protocol metrics. It allows developers, analysts, and DeFi apps to pull real-time and historical data about Curve's liquidity pools, reward struc MEXC 22 4.2 MEXC 6 reviews MEXC API enables automated crypto trading with access to over 1,200 cryptocurrencies via a REST interface and real-time data using WebSocket for updates on order depth, price changes, transactions and more. It supports multiple SDKs and demo examples (Python, Java, Go, .NET, Node.js, Postman) to hel HitBTC 23 4.1 HitBTC 6 reviews HitBTC offers a modern REST & WebSocket API (version 3.0) that lets developers access live and historical market data, manage accounts, place and cancel orders, and trade on both spot and futures instruments. It includes streaming sockets for market data, trading, and wallet updates, with sandbox/te LooksRare 24 4.0 LooksRare LOOKS $0.000654 24h: -4.9% 6 reviews LooksRare Public API provides free REST and WebSocket access to marketplace data and order flow on LooksRare v2. Developers can fetch real-time order books and trades, query collections, tokens, and stats, stream live events, and manage orders (create, cancel, validate) programmatically. The API sup CoinDesk 25 3.9 CoinDesk 6 reviews The CoinDesk Data API provides live and historical market data for cryptocurrencies, including prices, trade volume, derivatives and order book data from 300+ exchanges covering over 300,000 crypto/fiat currency pairs. It also offers on-chain metrics (transactions, active addresses, etc.), social se Shibariumscan 26 3.9 Shibariumscan SHIB $0.000006 6 reviews ShibariumScan API is a Blockscout-powered interface offering access to Shibarium Layer-2 on-chain data"allowing retrieval of transaction details, block info, contract calls, address balances, and token transfers. Developers can leverage it to build tools, dashboards, or analytics services over Shiba Bydfi 27 3.8 Bydfi 6 reviews BYDFi's API provides developers with secure, well-documented access to market data, account info, order and position management for spot and derivatives (swap) trading. Users can generate/manage API keys, retrieve real-time pricing, place trades, monitor balances, and integrate trading tools into ex Canaan 28 2.6 Canaan 6 reviews Canaan's API is designed specifically for ASIC mining hardware management, not for trading or market data like typical crypto exchange APIs. It provides endpoints for monitoring miner status, performance metrics (hashrate, temperature, power usage), configuring hardware settings, managing pools, and