Question: Is there an API that offers intraday, daily, weekly, and monthly quotes for stocks, ETFs, and mutual funds, as well as economic indicators and foreign exchange rates?

If you're looking for an API that offers intraday, daily, weekly, and monthly quotes for stocks, ETFs, and mutual funds, as well as economic indicators and foreign exchange rates, Alpha Vantage is a robust option. It provides real-time and historical data for various asset classes, including stocks, options, forex, commodities, and cryptocurrencies. The API supports over 50 technical indicators and offers comprehensive data in JSON and CSV formats. It also includes global market news and sentiment scores through AI-powered machine learning, making it a versatile tool for investors, researchers, and developers.

Another excellent choice is LSEG Data & Analytics, which offers extensive global market data, analytics, and workflow solutions. Built on Microsoft's cloud infrastructure, it provides real-time data and news across major market sectors, including exclusive access to Reuters news. This platform is highly customizable and supports a broad range of users, from wealth advisors to portfolio managers, with tailored solutions to automate tasks and increase productivity.

For those interested in trading and algorithmic strategies, Alpaca provides a comprehensive API-based platform that supports stock, options, and crypto trading. It offers commission-free stock trading and a test environment for easy deployment, making it ideal for businesses and individuals looking to embed trading into their apps. Alpaca's brokerage services are offered by Alpaca Securities, a member of FINRA and SIPC, ensuring secure and reliable transactions.