API(application-programming interface) is a set of programming instructions and standards for accessing a Web-based software application or Web tool. A software company releases its API to the public so that other software developers can design products that are powered by its service.
Some of API Frameworks are
Payment Integration :Payment gateway is an application on an e-commerce website that allows the website to link the client payment account with the website’s account. Payment gateways allows for the credit account details to be secure instead being sent online. That notwithstanding transfer of money is far much faster and eases the hassle involved. Online shopping has become a breeze with payment gateways. There are various payment gateways that exist out there and it takes a discerning eye to know the best option out there. Currently, PayPal and WorldPay are some of the most popular payment gateways.
Joyvictor Softwares provinding Payment integration by using Paypall, Paytm, Banking, Skrill etc..
SMS gateway allows a computer to send or receive Short Message Service (SMS) transmissions to or from a telecommunications network. Most messages are eventually routed into the mobile phone networks. Many SMS gateways support media conversion from email and other formats.