The term API stands for application programming interface, a concept that applies everywhere from command-line tools to enterprise code, microservices, and cloud-native architectures.An API is an ...

An application programming interface (API) is a set of programming codes that queries data, parse responses, and sends instructions between one software platform and another.

Because I started writing Web applications with PHP, I use it here as my basis for comparison with a CGI program written in C. I make no assertions about the relative speed of C vs. Perl. The ...