Organisations in every sector are unlocking enormous value from application program interfaces (APIs) that connect systems and data both internally and to external developers.
CIO UK spoke to some of the UK's top IT business leaders about how they're using APIs to boost their businesses.
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November 7, 2018
3. Experian CIO Barry Libenson
Experian has built an API hub on Google's Apigee framework that employees and external organisations can use to access data and design applications.
"The idea was: let's create an internal API Hub and instead of building point to point applications, we'll build a hub and spoke architecture so that when anybody wants a data element they can call the API Hub, and the API Hub will go to the data source to retrieve the information," says Experian CIO Barry Libenson.
"That way, if the backend data source ever changes, the actual application code doesn't need to change, the API interface does. It's much easier to change that API interface than it is all of the code. In theory, if you change the data source you only have to change the API code once, and all the applications that are calling for that data will now hook up to the new API entry points instead of the old ones.
"Essentially, you only have to rewrite a very small piece of code, whereas in the old way of doing things if you changed the data source and there were six things calling, all six had to be rewritten. Now we rewrite one."
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