The APIs on their own provide The principles and specs dictating how applications can communicate. APIs define what data may be exchanged, the way to structure it, and what steps could be triggered. An API can specify the interface amongst an software as well as operating system.[28] POSIX, one example https://davidv858isr8.blogspothub.com/35277400/how-much-you-need-to-expect-you-ll-pay-for-a-good-backend-app-development-company