---
title: "Updated Intro to API documentation topic"
date: 2020-01-09
description: "You can read the updated topic here: Introduction to REST API documentation. Sponsored var contents = new Array() //Paligo contents[0] = '<div..."
canonical_url: https://idratherbewriting.com/blog/updated-intro-to-api-documentation-topic/index.html
---

> For AI agents: a documentation index is available at https://idratherbewriting.com/llms.txt. Markdown versions of all pages are available by appending .md to any page URL.

# Updated Intro to API documentation topic

> I updated the Introduction to API documentation topic in my API doc course in a couple of significant ways. First, I expanded on the many different types of APIs out there (beyond REST). The list now native library APIs, SOAP APIs, RPC-based APIs, gRPC APIs, REST APIs, Voice Assistant APIs, and IoT APIs. I also incorporated research from Smartbear's impressive report called [The State of API 2019](https://static1.smartbear.co/smartbearbrand/media/pdf/smartbear_state_of_api_2019.pdf), which is well worth a read on its own.

You can read the updated topic here: [Introduction to REST API documentation](https://idratherbewriting.com/learnapidoc/docapis_intro_to_rest_api_doc.html).