What is API?
Application Programming interfaces is called API
Two separate Web /Desktop application communicate each other and exchange the data’s through XML/JSON or any other format is called API.
What Is Rest API?
Rest API is application program interface (API) that uses HTTP requests to GET, POST datas. REST technology is more robust Simple Object Access Protocol (SOAP) technology.it’s suitable for internet protocol.
If, API require secure platform. It’s called authenticate API.
For Example: One Web Ecom interface has received multiple orders for category wise. But, Ecom Company to execute orders with associated company based on categories. That time, we need to develop the common order transfer API development and shared our API to associated companies and getting calls back the order status from our associated companies API.
Affiliate marketing API:-
Most of leading companies (Template Monster, Flipkart, Amazon) provide Web API to increase their sales through Affiliate marketing. Affiliate marketing means leading company provides their products XML/JSON format for multiple interested communities with some affiliate register forms with some terms of condition. We can use Web API and shown same collection of data’s and promotes the sales/referral through our website to affiliate Site. Affiliated sites getting commission each sales through affiliated unique Ids.