What are the two main steps involved in the API implementation stage?

In the API implementation stage, the two main steps are building and testing. Building refers to the actual development of the API, where developers create the endpoints, establish the logic, and implement the necessary functionalities to meet the requirements outlined during the design phase. This stage is critical because it transitions the theoretical design into a working product that can interact with other systems and applications.

Testing is the subsequent step that ensures the API functions correctly and meets the specified requirements. This involves checking the API for performance, reliability, and security issues, as well as verifying that it responds correctly to different inputs and handles errors gracefully. Testing is essential to identify any bugs or issues before the API is fully deployed, ensuring that users have a reliable and efficient experience.

The other options focus on different aspects of API development but do not encapsulate the core actions of implementation. While documentation is important, it typically occurs alongside or after building rather than being a primary step in the implementation stage. Similarly, deploying is a phase that follows after building and testing, making it part of the broader development lifecycle rather than the implementation phase itself.