The simplest and most effective way to receive stock, ETF, forex, technical indicators, and cryptocurrency data. Constantly ranked as a leading API provider for ease of use, accuracy, and price. [See the documentation](https://www.alphavantage.co/documentation/) and [read more](https://firstname.lastname@example.org_58673/stock-api-landscape-5c6e054ee631) on the market data industry. [Start now for free](https://www.alphavantage.co/support/#api-key).
Financial data provided for developers, to enter the world markets. Instant access for real-time and historical data of stocks, forex, crypto, ETFs, indices, and more. Read more in [documentation](https://twelvedata.com/docs) and start [here](https://twelvedata.com/apikey).
We provide API for realtime stock data, forex and crypto. Register for FREE API key here: https://finnhub.io/register. Recommended stock API for startups: https://medium.com/@stock-api/top-5-best-stock-api-in-2021-for-fintech-startups-and-developers-dd1420339703
The Option Chain Data API is developed by Inter Data Limited to provide real-time Options prices and Stock data for United States listed options. The data is provided in easy to consume JSON format through RESTful API. The data covers all expiration dates of a listed options.