What is the primary function of API documentation generators?

The primary function of API documentation generators is to automate the creation of documentation based on API code. These tools analyze the code, annotations, or comments within the API, and then automatically build comprehensive and structured documentation that is easy to read and understand. This process not only saves time for developers by eliminating the need to manually write documentation for each endpoint but also ensures that the documentation remains consistent and up-to-date with the actual implementation of the API.

By automatically generating documentation, these tools help developers and users quickly understand how to interact with the API, what endpoints are available, the expected inputs and outputs, and any other relevant details. This is essential for improving the usability and accessibility of the API for developers who may not be familiar with its functionality.

The other options relate to different aspects of managing or utilizing APIs, such as enhancing user interfaces, providing customer support, or facilitating coding, but none of these directly address the core purpose of documentation generation, which is pivotal for effective API usage and understanding.