What’s Web API?


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1/ What’s Web API?

An Application Programming Interface (API) is a software that allows two applications to talk to each other.

Web API are a set of rules for interacting with a webserver, with the most common use case being data retrieval. APIs provide mechanism for clients to access and manipulate data stored by the API provider.

The major difference between an “API request” and a “webpage request” is what kind of data is provided in the response. A website returns HTML, CSS and Javascript which work together with your browser to render a webpage. Web APIs respond with data in a raw data, not intended to be rendered by a browser. JSON and XML are the most common formats used for this raw data.

2/ Why use Web APIs?

  • Allow third party developers to build interesting application using company data.
  • Other APIs are part of a package that is sold to companies.


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