Alpha Vantage - Summary and Link
This API returns intraday time series (timestamp, open, high, low) of the equity specified. This is a free to use API. This is a simple and effective way to receive stock, ETF, forex, and cryptocurrency data. It is ranked very highly for its accuracy and ease of use.
Link to pageAPI - FOOTBALL - Summary and Link
API - FOOTBALL is an API that gives you 970+ football leagues and cups. It gives you lives scores and pre- match odds, lineups, statistics and much more. It is a free to use API up to 100 requests a day. Like Google translate, you can pay for more request, and it has a Pro, Ultra and mega membership.
Link to pageGoogle Translate - Summary and Link
Google Translate is an API that dynamically translates between languages. Language detection is available in cases where the source language is not known. This has hundreds of supported languages and is constantly being updated. It is very easy to integrate into your application and it is also free to use up to 500 characters a month. You can pay for Pro (20/month for 1,000,000 characters), Ultra (40/month for 2,000,000 characters).
Link to pageSummary of Documentation
APIs simplifies app development, saving time and money by letting your product or service communicate with other products and services without having to know how they are implemented. APIs give you flexibility; simplify design, administration, and use. They help business and IT teams collaborate by simplifying how developers integrate new application components into an existing architecture.