We recommend the following external guides for further documentation training:
Google Technical Writing Course: This two-part course teaches the basics of technical writing for engineering audiences. To run this course, designate one person as the instructor and have them use the Facilitator's guide.
I'd Rather Be Writing: This comprehensive guide covers the ins and outs of APIs, from documentation to publishing and metrics.
Swagger: Learn how to write comprehensive API documentation that conforms to the OpenAPI 3.0 specification.