EOD Historical Data
EOD Historical Data is a leading financial data provider based in Lyon, France. We offer comprehensive APIs for End-of-Day Historical Stock Market Data, Real-Time Data via WebSockets, and Fundamental Data for Stocks, ETFs, Mutual Funds, and Indices, and many more data feeds. Take advantage of our global data coverage from 70+ stock exchanges and experience reliable, accurate, and developer-friendly data solutions. 30+ years of data. We use several data providers to compare data against different sources and deliver the best. One-click API for all financial data you needs. Quick start with sample codes Excel/VBA, Google Sheets, Python, PHP, JAVA, C#, R, Matlab, and more.
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Massive
Massive is a market-data infrastructure platform built to provide real-time and historical financial data to developers, startups, and trading firms. It delivers institutional-grade market data across stocks, options, indices, currencies, and futures, all via a streamlined API, WebSocket, flat-file S3 access, or SQL query interface. The platform emphasizes low latency, direct connectivity to major exchanges (NYSE, NASDAQ, CBOE, OTC), and data normalization to eliminate survivorship bias and outdated pipelines. Massive positions itself as “modernizing Wall Street” by removing legacy bottlenecks and providing the same quality of market data typically reserved for large institutions, but now accessible to any app builder. The platform also includes extensive documentation, client libraries in Python, JavaScript, Go, and Java, tutorials, and example projects to accelerate integration.
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Twelve Data
Twelve Data is a leading provider of financial market data, delivering an extensive range of real-time and historical data across multiple asset classes, including stocks, forex, cryptocurrencies, ETFs, indices, commodities, and futures. The company sources its data from over 250 exchanges worldwide, ensuring comprehensive coverage that serves the needs of traders, developers, and fintech organizations. Twelve Data is dedicated to making high-quality financial information widely accessible, offering affordable solutions that cater to both individual users and large-scale institutions. The company’s platform stands out for its versatility and advanced capabilities, providing users with technical indicators, fundamental data, and alternative datasets to support in-depth market analysis. Twelve Data prioritizes scalability and reliability, offering a suite of developer-friendly tools such as APIs, WebSockets, detailed documentation, and a sandbox environment for seamless integration. With
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Amazon API Gateway
Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale. APIs act as the "front door" for applications to access data, business logic, or functionality from your backend services. Using API Gateway, you can create RESTful APIs and WebSocket APIs that enable real-time two-way communication applications. API Gateway supports containerized and serverless workloads, as well as web applications. API Gateway handles all the tasks involved in accepting and processing up to hundreds of thousands of concurrent API calls, including traffic management, CORS support, authorization and access control, throttling, monitoring, and API version management. API Gateway has no minimum fees or startup costs. You pay for the API calls you receive and the amount of data transferred out and, with the API Gateway tiered pricing model, you can reduce your cost as your API usage scales.
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