If you need to a text file or a CHM file from an API:
You gather HTML files, a project file (.hhp), and a table of contents (.hhc) to "put together" the final CHM. 3. Malware Warning
You would use tools like HTML Help Workshop or Doxygen .
If you provide the or the API endpoints , I can help you draft a professional "ReadMe" or documentation summary immediately.
They are a common vector for delivering malware because they execute when opened.