Documenting API flow is best when coupled with UML. There exists more than a dozen tools, special IDE, web apps: turn your UML script into beautiful visual presentation.
Most of the time you will end with the classic scenario:
- Write UML script
- Export as png, or PDF
With VScode Mermaid Preview it’s never been easier writing your UML script embedded within your Markdown document. It’s built on top of Mermaid.js