Stoplight is a company that provides tools and services for designing, documenting, and managing APIs (Application Programming Interfaces). Their platform helps developers and teams to create, test, and collaborate on API projects efficiently.

Stoplight help with the API management and styling guides, it's a great tool if you want to make a Documentation and you even can use it to make your own API directly using Stoplight, also they have a lot of webinars where you can see how the implementation it's done