Why aren't Web developers adopting Telco APIs?
As Alan points out, APIs have been fundamental to telcos for a long time- even the first switch in 1878 exposed an interface for people to make requests to set up telephone calls.
But because Telco APIs aren't usually presented in a web-centric way, developers have been slow to adopt them vs. some of the other Web APIs. Telcos need to adapt by making their APIs, tools and processes simpler and more suited to serving much larger numbers of web developers than before.
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