In general, API-first design is a software development approach in which API design is prioritized. With that in mind, it is possible to generate gains in scalability, flexibility, agility, and performance for your system. When opting for API-first design, developers can facilitate discussions with stakeholders such as their internal team, clients, or any other teams within the organization who wish to consume the API. This mutual collaboration allows the team who is building the API to create user stories, mock-ups, and documentation.
There are a few tools that use an API description language to help teams adopt an API-first technique. This description language helps create a balance around the contract, which will be used by the API. Basically, writing a well-defined contract means that some considerable time will be spent on the API's design.
API-first...