APIs are a way for developers to access data from third-party sources. You can use the APIs to build apps or websites that connect to other systems. Developers do not only use APIs to create applications that interact with other systems. They're also useful for businesses who want to integrate their own services with others.
Maintenance of documentation is another key aspect to look after for a high DX. In case of updates, documentation should be updated too so that there is no lack of information for the users. These practices can ensure high adoption of APIs.
API documentation covers every description, endpoints, parameters, etc. It gives the user an idea about the tool, without which it is highly difficult to use it. It has a direct impact on the API’s adoption.