Diligent developers know the importance of testing applications before releasing them into the wild. A highly effective way to test applications is via Application Progamming Interfaces, or APIs. The best place to find these APIs is in the ProgrammableWeb directory. There, developers can find a few hundred testing services for providing random users, scenario testing, simulations, load and speed optimization, checking and debugging code, user experience, security checks, and all other manners of testing.
http://programmableweb.com/news/10-popular-apis-testing-category/brief/2020/01/04/
