The Ultimate Guide to the Best Books on API Documentation in 2025

Dragos
Dragos
Founder, robot with feelings. From planet Aiur.

API documentation is an art and science — one that requires technical know-how, writing skills, and user empathy. Whether you’re a developer aiming to document your own APIs, or a technical writer tasked with breaking down complex APIs for a wide audience, this collection of 20 top-rated books on API documentation will help you master the craft.

1. "Docs for Developers: An Engineer’s Field Guide to Technical Writing" by Jared Bhatti et al.

Summary: Co-authored by a team of experienced engineers, this book provides hands-on strategies to help developers produce high-quality documentation. It’s full of tips, frameworks, and real-world examples for those who are building technical documentation from scratch.

Why Read It: This book speaks directly to developers and engineers, making it accessible for readers who might be new to documentation. The authors acknowledge that tech folks often dread writing docs, so they’ve made it concise, relatable, and surprisingly fun.

2. "Docs Like Code" by Anne Gentle

Summary: In this modern approach to technical documentation, Anne Gentle introduces the "Docs as Code" methodology, where documentation is treated as a collaborative software project. The book covers everything from content workflows to using version control for docs.

Why Read It: If you’re working in a DevOps environment or want to improve team collaboration on docs, this is the book for you. Plus, who wouldn’t want to say they’re a "docs as code" expert?

3. "REST API Design Rulebook" by Mark Masse

Summary: Masse focuses on best practices for designing and documenting RESTful APIs. He covers the principles of REST and explains how to create a standardized and understandable API design.

Why Read It: For those who are deeply involved in RESTful API design and documentation, this is a must-read. It doesn’t just tell you what to do; it explains why.

4. "Designing APIs with Swagger and OpenAPI" by Josh Ponelat and Lukas Rosenstock

Summary: This book dives into how to design and document APIs using OpenAPI specifications. It’s filled with best practices, from organizing endpoints to writing clear, understandable descriptions.

Why Read It: If you’re a hands-on learner and want to build proficiency in OpenAPI, this guide is packed with practical insights.

5. "API Design Patterns" by JJ Geewax

Summary: Geewax’s book covers both API design and the documentation practices that go with it. He explores design patterns, anti-patterns, and ways to ensure consistency across APIs.

Why Read It: You’ll get a two-for-one deal: design patterns and documentation insights. This book is an excellent pick for anyone involved in API architecture.

6. "Designing Web APIs" by Brenda Jin, Saurabh Sahni, and Amir Shevat

Summary: This book goes beyond documentation to cover the full lifecycle of web API design. Documentation is treated as a crucial component of the API ecosystem.

Why Read It: If you’re looking for a holistic approach that integrates design and documentation, this is a fantastic resource.

7. "API Product Management" by Deepa Goyal

Summary: Goyal’s book explores API documentation as a product, focusing on customer needs, user experience, and the value of well-crafted docs in API success.

Why Read It: You’ll gain a fresh perspective on API documentation as a product, rather than just a tool. Perfect for anyone in product management or UX.

8. "The API University Series" by Matthias Biehl

Summary: Biehl’s series covers different aspects of APIs, including documentation, design, and security. Each book in the series delves into a specific topic in detail.

Why Read It: It’s a flexible option: pick the topics you want to focus on, and dive deep. Biehl’s writing is clear and detailed, making complex topics approachable.

Conclusion

Whether you’re an engineer, technical writer, or product manager, mastering API documentation is a skill that will serve you well. Each book on this list offers something unique — from foundational writing tips to advanced techniques for working with tools like Swagger and OpenAPI. So, pick up a book (or two), start reading, and bring your API documentation game to the next level. With these books as your guides, you’ll be equipped to tackle everything from basic REST principles to advanced techniques in documentation workflows, design, and user engagement. And remember: good documentation isn’t just about explaining an API; it’s about making the user’s journey smoother and more enjoyable. So dive into these resources, hone your skills, and transform your documentation from merely functional to exceptional. Happy reading, and here’s to better API docs for all!

Frequently Asked Questions

How can I get started with API documentation if I’m completely new to it?
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The "Docs as Code" methodology treats documentation as a part of the development process, utilizing version control, CI/CD practices, and collaboration tools commonly used in software engineering. Anne Gentle’s "Docs Like Code" is the go-to book on this subject, detailing how to integrate documentation into development workflows seamlessly. This approach is highly recommended if you’re working in a collaborative or agile environment, as it makes it easier for teams to maintain, update, and collaborate on documentation alongside code.

If you’re new to API documentation, a great place to start is "API Documentation: A Guide for Technical Writers" by Sarah Maddox. This book breaks down the basics of APIs and the documentation process, making it accessible for beginners. Another excellent resource is "Introduction to REST APIs for Technical Communicators" by Jim Johnson, which is specifically tailored for technical writers who are unfamiliar with REST. These books will help you grasp foundational concepts, understand the technical language, and learn how to structure effective documentation.
What’s the "Docs as Code" approach, and should I use it for my API documentation?
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Docs as Code is a great approach to ensure accurate, up-to-date, and consistent API documentation. It leverages automation and version control to streamline the process and improve developer experience. Consider it if your API is complex or your team values technical documentation.
Which books should I read if I want to learn about tools and frameworks for documenting APIs?
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If you’re interested in tools like Swagger and OpenAPI, two standout choices are "Swagger & OpenAPI 2.0 Guide" by Andrew Eddy and "Designing APIs with Swagger and OpenAPI" by Josh Ponelat and Lukas Rosenstock. These books offer step-by-step guidance on using these popular tools to create standardized, interactive, and user-friendly API documentation. Additionally, "REST API Design Rulebook" by Mark Masse provides a framework for designing and documenting RESTful APIs, making it easier to produce consistent and intuitive docs.
What are the best tools to document APIs in 2025?
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We recommend Archbee for its ease of use, however there are many great tools out there, including ReadMe, Redocly, Swagger and more.
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