Technical documentation are resources provided to help developers understand how to use a software product or an application programming interface (API) effectively. It includes details on how to build with a technical product or interact with an API, including the available endpoints, request and response formats, error handling, and authentication processes.

Documentation is required for developers to understand how to effectively use a technical product or an API and integrate it into their applications. Companies in this category provide tools and infrastructure for creating, publishing and hosting docs for developers.