WebSocket APIs

3xpl

Universal blockchain data infrastructure providing real-time access to 47 blockchains through LLM, JSON, WebSocket, and ClickHouse APIs. Features standardized data format and academic-friendly access with no ads.

Allium

Enterprise-grade blockchain data infrastructure platform offering real-time data streams across 60+ blockchains with 80ms latency and 4s data freshness, featuring cross-chain analytics and Wallet360™ technology.

Alpaca

Commission-free API trading platform offering comprehensive brokerage infrastructure, real-time market data, and multi-asset support for stocks, ETFs, options, and crypto with extensive SDK availability.

AlphaScan

Comprehensive blockchain infrastructure and development platform offering node management, API services, and real-time analytics tools. Supports multi-chain deployment and monitoring with enterprise-grade security features.

Bello

Cross-platform Web3 message broadcasting service enabling businesses to reach audiences across XMTP and Warpcast networks. Features unified dashboard, transaction management, and balance tracking.

BitcoinAverage

Comprehensive cryptocurrency price API service providing real-time and historical data from 50+ exchanges. Features WebSocket feeds, custom index generation, and support for 172 fiat currencies since 2013.

Bitquery

Enterprise-grade blockchain data infrastructure providing real-time and historical data across 45+ networks through comprehensive APIs, streaming capabilities, and investigation tools for crypto analysis.

bitsCrunch

Comprehensive blockchain analytics and infrastructure platform offering real-time data analysis, fraud detection, compliance tools, and DeFi infrastructure through extensive API access and network operation tools.

BlockCypher

Enterprise-grade blockchain infrastructure provider offering multi-cryptocurrency API services, node management, and development tools. Supports Bitcoin, Ethereum, and other major networks through REST APIs.

CoinAnk

Professional cryptocurrency market data platform offering real-time analytics, multi-exchange order book analysis, advanced charting tools, and comprehensive derivatives tracking for institutional traders and analysts.

CoinAPI

Enterprise-grade cryptocurrency data and trading infrastructure platform offering unified access to market data, trading automation, and index calculations across multiple exchanges through standardized APIs.

CoinBrain

Real-time cryptocurrency analytics platform offering multi-chain market intelligence, token unlock tracking, and developer integration tools. Supports 14+ networks with comprehensive price tracking and trading widgets.

Coinfeeds AI

AI-powered infrastructure platform providing portfolio monitoring, news feed integration, and custom NLP services for cryptocurrency exchanges, investment funds, and digital asset applications.

Coinigy

Multi-exchange cryptocurrency portfolio management and trading platform supporting 43 exchanges with real-time tracking, advanced charting, and enterprise API access for automated trading and monitoring.

Crypto APIs

Comprehensive blockchain infrastructure suite offering 30+ networks, 100+ REST APIs, and 25ms execution time. Features node services, blockchain data access, and real-time event monitoring for enterprise-grade crypto applications.

CryptoCompare

Comprehensive cryptocurrency data and analytics platform offering real-time market data, professional API services, portfolio tracking, and enterprise-grade solutions for both retail and institutional clients.

Cube3

AI-powered cryptocurrency fraud prevention platform offering real-time threat detection, transaction monitoring, and automated response systems for blockchain businesses and exchanges. Protects against scams and exploits.

Data-Bot

AI-powered market intelligence platform providing real-time social data analytics, custom alerts, and Web3 research tools. Features multi-platform access through web dashboards, Telegram bots, and developer APIs.